{"title":"JMI Wheeley Bars \u0026 Telescope Dollies","description":"\u003cp\u003eJMI Wheeley Bars are heavy-duty, USA-made steel telescope dollies that let you move your fully assembled rig — tripod, mount, OTA, cameras, and cables — from storage to your observing spot in one trip. Lock the wheels, level the base, and start observing. No more breaking down and rebuilding your setup every session. Available in Standard and Heavy-Duty versions for tripod-mounted scopes, plus dedicated Dobsonian dollies for Dob owners.\u003c\/p\u003e\u003cp\u003eBuilt by JMI (part of the CXB Astro family) and manufactured in California, USA. Rated up to 300 lb. Welded steel construction with locking wheels, built-in leveling bolts, and optional all-terrain pneumatic wheels for grass, gravel, and dark-sky sites.\u003c\/p\u003e","products":[{"product_id":"jmi-medium-universal-wheeley-bar-telescope-dolly","title":"JMI Medium Universal Wheeley Bar — Telescope Dolly","description":"\u003cp\u003eThe \u003cstrong\u003eJMI Medium Universal Wheeley Bar\u003c\/strong\u003e is the straightforward, no-fuss way to move a fully assembled tripod-mounted telescope from your garage or storage room to your observing spot — in one trip, without disconnecting a single cable, camera, or power supply. Set up once, roll out every session. Lock the wheels at your observing position, level the base using the built-in leveling bolts, and you are ready to observe.\u003c\/p\u003e\u003cp\u003eThis is JMI's \u003cstrong\u003estandard-duty\u003c\/strong\u003e Universal model, sized and rated for lighter visual rigs and grab-and-go setups. If your fully loaded setup — tripod, mount, OTA, accessories combined — exceeds 50 lb, step up to one of the Heavy-Duty models rated to 300 lb.\u003c\/p\u003e\u003cp\u003eBuilt by JMI (part of the CXB Astro family) on a welded steel frame with a durable powder-coat finish. Made in California, USA.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe JMI Medium Universal Wheeley Bar is a standard-duty steel telescope dolly designed for tripod-mounted telescopes. It supports setups up to 50 lb and fits tripods with a tip-to-tip distance between 32.3″ and 36.8″. Ships with 2-3\/8″ locking caster wheels and 1\/2″ leveling screws as standard.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWho Is This Product Best For?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIdeal for visual observers with lighter rigs — a standard C8, a small refractor on an EQ mount, or a compact alt-az setup. If you store your telescope assembled and want to roll it in and out without rebuilding every session, this is the entry point to the Wheeley Bar line.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy Choose This Product?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSave your back:\u003c\/strong\u003e No more lifting and carrying telescope components session after session.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep your setup intact:\u003c\/strong\u003e Polar alignment, cable routing, and balance all survive between sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObserve more often:\u003c\/strong\u003e When setup time drops to under a minute, you get out under the stars more frequently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSA-made quality:\u003c\/strong\u003e Welded steel frame, powder-coat finish, built to last decades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgradeable:\u003c\/strong\u003e Add 5″ polyurethane wheels for cracked pavement, or 10″ pneumatic tires for grass and gravel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVisual observing with tripod-mounted telescopes under 50 lb\u003c\/li\u003e\n\u003cli\u003eRolling a stored telescope from garage to driveway or patio\u003c\/li\u003e\n\u003cli\u003eGrab-and-go setups where quick rollout matters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFits tripods with a tip-to-tip distance of 32.3″ to 36.8″ at observing height. Tripod foot receptacle is 2-1\/4″ I.D., accommodating feet up to 2″ diameter. Optional wheel upgrades (5″ polyurethane or 10″ pneumatic) and Tie-Down Bracket Kit available separately in the JMI Wheeley Bar Accessories collection.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Limitations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated to 50 lb total — not suitable for imaging rigs over 50 lb; use a Heavy-Duty model instead\u003c\/li\u003e\n\u003cli\u003eDesigned for hard, flat surfaces in standard configuration\u003c\/li\u003e\n\u003cli\u003e10″ pneumatic wheel upgrade required for grass, dirt, or gravel\u003c\/li\u003e\n\u003cli\u003eAlways push or pull below the telescope's centre of gravity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I measure tip-to-tip distance?\u003c\/strong\u003e\u003cbr\u003eSet your tripod to observing height. If using 5″ wheels, lower by 6″; if using 10″ pneumatic tires, lower by 3.5″. Then measure between any two tripod feet. Match that number to the 32.3″–36.8″ range for this model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this for astrophotography rigs?\u003c\/strong\u003e\u003cbr\u003eThis standard-duty model is rated to 50 lb. Most imaging rigs with mount, OTA, and counterweights exceed this — step up to the Heavy-Duty Shorty, Medium, or Large (all rated 300 lb).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat surfaces does it work on?\u003c\/strong\u003e\u003cbr\u003eThe standard 2-3\/8″ wheels work on smooth, hard, flat surfaces. Upgrade to 5″ polyurethane wheels for cracked concrete or sidewalks, or 10″ pneumatic tires for grass, dirt, or gravel.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOur Recommendation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe JMI Medium Universal Wheeley Bar is the right pick for observers with lighter visual setups who store their telescope assembled and want a simple roll-in, roll-out routine. If your rig is over 50 lb — or you shoot astrophotos with a loaded imaging train — go straight to the Heavy-Duty Shorty or HD Medium instead. This model shines for compact visual rigs where ease of rollout matters most.\u003c\/p\u003e","brand":"JMI","offers":[{"title":"Default","offer_id":53296857809007,"sku":"TPWUMED","price":628.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/tpw_med3_5397ac2f-aa09-4edb-b8c4-317e88d4221a.jpg?v=1781714115"},{"product_id":"jmi-heavy-duty-shorty-universal-wheeley-bar-telescope-dolly","title":"JMI Heavy-Duty \"Shorty\" Universal Wheeley Bar — Telescope Dolly","description":"\u003cp\u003eThe \u003cstrong\u003eJMI Heavy-Duty \"Shorty\" Universal Wheeley Bar\u003c\/strong\u003e is the most compact member of JMI's heavy-duty Universal family — purpose-built for imaging rigs and tight spaces. Roll your fully assembled telescope from storage to your observing spot without breaking down the setup, disconnecting cables, or disturbing polar alignment. Lock the wheels, level the base, and start imaging.\u003c\/p\u003e\u003cp\u003eThe Shorty's shorter leg design allows the most compact, lowest, most stable tripod configuration in the HD lineup — making it the easiest to fit through doorways while still carrying up to 300 lb. Built by JMI (part of the CXB Astro family) on heavy welded steel. Ships standard with 5″ polyurethane wheels. Made in California, USA.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e300 lb-rated steel telescope dolly for tripod-mounted telescopes with a tip-to-tip distance of 26.25″ to 31.25″. Best for imaging rigs where low stance and maximum doorway clearance matter most. Ships with 5″ polyurethane wheels and heavy-duty 5\/8″ leveling screws.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWho Is This Product Best For?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAstrophotographers and serious observers with heavy imaging rigs — loaded German equatorial mounts, large SCTs, or any setup where the fully loaded weight exceeds 50 lb. Also the best choice for anyone rolling their scope through a tight doorway.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy Choose This Product?\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 lb capacity:\u003c\/strong\u003e Handles the most demanding fully loaded imaging rigs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMost compact HD model:\u003c\/strong\u003e Smallest footprint and easiest doorway clearance in the heavy-duty lineup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreserve your alignment:\u003c\/strong\u003e Keep polar alignment, guidescope calibration, and cable routing session to session.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5″ polyurethane wheels standard:\u003c\/strong\u003e Smooth, stable ride on concrete, driveways, and pavement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSA-made steel construction:\u003c\/strong\u003e Welded steel frame, powder-coat finish, built to last decades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFits tripods with a tip-to-tip distance of 26.25″ to 31.25″ (minimum 28.25″ with 10″ pneumatic tires). Tripod foot receptacle is 2-3\/4″ I.D. Requires the Half Tie-Down Bracket Kit (sold separately). 10″ pneumatic all-terrain wheel upgrade also available.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Limitations\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTip-to-tip range of 26.25″–31.25″ — verify your tripod fits before ordering\u003c\/li\u003e\n\u003cli\u003eRequires Half Tie-Down Bracket Kit (sold separately) for secure transport\u003c\/li\u003e\n\u003cli\u003eStandard 5″ wheels for hard surfaces; 10″ pneumatic upgrade needed for grass or gravel\u003c\/li\u003e\n\u003cli\u003eAlways push or pull below the telescope's centre of gravity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between the Shorty and the HD Medium?\u003c\/strong\u003e\u003cbr\u003eThe Shorty has a shorter leg span (26.25″–31.25″ tip-to-tip) and the lowest, most compact stance. The HD Medium spans 34″–42.5″ and suits most popular tripods including Celestron HD and Losmandy.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Shorty use the same Tie-Down kit as the other HD models?\u003c\/strong\u003e\u003cbr\u003eNo — the Shorty uses the Half Tie-Down Bracket Kit specifically. Do not order the full-size kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use 10″ pneumatic wheels on the Shorty?\u003c\/strong\u003e\u003cbr\u003eYes — available as a separate upgrade. With 10″ tires, the minimum tip-to-tip increases to 28.25″.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOur Recommendation\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIf you are rolling a heavy imaging GEM through a garage door and need the most compact heavy-duty dolly, the HD Shorty is your model. Confirm your tripod's tip-to-tip distance is between 26.25″ and 31.25″. For wider tripod spreads, choose the HD Medium instead.\u003c\/p\u003e","brand":"JMI","offers":[{"title":"Default Title","offer_id":53296859480175,"sku":"TPWUSHHD","price":838.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ProductShotTPWMEDHD5_8af801e7-be48-47c9-8ce0-14af6597d283.jpg?v=1781714178"},{"product_id":"jmi-heavy-duty-medium-universal-wheeley-bar-telescope-dolly","title":"JMI Heavy-Duty Medium Universal Wheeley Bar — Telescope Dolly","description":"\u003cp\u003eThe \u003cstrong\u003eJMI Heavy-Duty Medium Universal Wheeley Bar\u003c\/strong\u003e is JMI's most popular telescope dolly — the one that fits the widest range of tripods used by imagers and visual observers alike. Roll your fully assembled rig from storage to your observing spot without breaking down the setup, disconnecting cables, or losing polar alignment. Lock the wheels, level the base, and start observing.\u003c\/p\u003e\u003cp\u003eWith a 34″–42.5″ tip-to-tip range, it covers the Celestron HD Pro Wedge tripod, Losmandy tripods, iOptron tripods, and many others. Rated to 300 lb. Ships with 5″ polyurethane wheels and heavy-duty 5\/8″ leveling screws. Built by JMI on welded steel. Made in California, USA.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe JMI HD Medium is a 300 lb-rated steel telescope dolly for tripod-mounted telescopes with a tip-to-tip spread of 34″ to 42.5″ at observing height. It is the most versatile model in the heavy-duty Universal line and fits the majority of popular GEM tripods used for imaging and serious visual observing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWho Is This Product Best For?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAstrophotographers and serious visual observers with GEM-mounted setups in the 50–300 lb range. If you own a Celestron CGX, AVX, CEM60, or similar mount on a standard tripod, and you store the assembled rig in a garage or observatory-adjacent space, this is the right model.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy Choose This Product?\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMost popular HD model:\u003c\/strong\u003e Fits the widest range of commonly used tripods in the 34″–42.5″ tip-to-tip range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 lb capacity:\u003c\/strong\u003e Fully supports heavy imaging trains — mount, OTA, cameras, counterweights, and cabling together.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSession-to-session alignment:\u003c\/strong\u003e Roll out, observe, roll back — polar alignment and cable routing survive every session.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5″ polyurethane wheels standard:\u003c\/strong\u003e Stable and smooth on concrete, driveways, and patios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSA-made:\u003c\/strong\u003e Welded steel frame, powder-coat finish, engineered to last.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFits tripods with a tip-to-tip distance of 34″ to 42.5″ at observing height. Tripod foot receptacle is 2-3\/4″ I.D. Optional 10″ pneumatic all-terrain wheel upgrade and full-size Tie-Down Bracket Kit available separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Limitations\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTip-to-tip range 34″–42.5″ — measure your tripod before ordering\u003c\/li\u003e\n\u003cli\u003eTie-Down Bracket Kit sold separately\u003c\/li\u003e\n\u003cli\u003eStandard 5″ wheels for hard surfaces; 10″ pneumatic needed for grass or gravel\u003c\/li\u003e\n\u003cli\u003eAlways push or pull below the telescope's centre of gravity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill this fit my Celestron CGX or AVX tripod?\u003c\/strong\u003e\u003cbr\u003eMost Celestron HD-grade tripods fall within the 34″–42.5″ range. Set your tripod to observing height and measure tip-to-tip to confirm before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between the HD Medium and HD Shorty?\u003c\/strong\u003e\u003cbr\u003eThe HD Medium spans 34″–42.5″ and fits most popular mid-size tripods. The HD Shorty spans only 26.25″–31.25″ and is designed for compact tripods and maximum doorway clearance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between the HD Medium and HD Large?\u003c\/strong\u003e\u003cbr\u003eThe HD Large spans 49″–56.5″ for very large-leg telescopes like the Losmandy Titan and observatory-class tripods. If your tripod falls in the 34″–42.5″ range, the HD Medium is correct.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOur Recommendation\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe HD Medium is the right starting point for most serious imagers. Measure your tripod tip-to-tip first — if it lands between 34″ and 42.5″, this is your model. For wider tripods or the tallest observing positions, check the HD Large. For tight doorways and compact tripods, consider the HD Shorty.\u003c\/p\u003e","brand":"JMI","offers":[{"title":"Default Title","offer_id":53296860004463,"sku":"TPWUMEDHD","price":838.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ProductShotTPWMEDHD5_4e62c17e-657c-4322-9dc1-c59523984c6c.jpg?v=1781714208"},{"product_id":"jmi-heavy-duty-large-universal-wheeley-bar-telescope-dolly","title":"JMI Heavy-Duty Large Universal Wheeley Bar — Telescope Dolly","description":"\u003cp\u003eThe \u003cstrong\u003eJMI Heavy-Duty Large Universal Wheeley Bar\u003c\/strong\u003e is built for the biggest tripod-mounted telescopes — observatory-class rigs, Losmandy Titan setups, and any system where the tripod's legs spread wide and the eyepiece sits high. Roll your complete, fully assembled rig from storage to your observing pad without disturbing a single cable, alignment, or counterweight position. 300 lb capacity. Made in California, USA.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe JMI HD Large is a 300 lb-rated steel telescope dolly for tripod-mounted telescopes with a tip-to-tip distance of 49″ to 56.5″ at observing height. It is the largest member of the Universal Wheeley Bar family, designed for wide-legged tripods on observatory-class mounts and large visual telescopes that require a high eyepiece position. Ships with 5″ polyurethane wheels and heavy-duty 5\/8″ leveling screws.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWho Is This Product Best For?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOwners of large observatory-class telescopes — Losmandy Titan, Paramount, or similar mounts on wide-leg tripods. Also suited for large visual refractors or Newtonians on tall equatorial tripods where a higher eyepiece position means the legs are spread very wide. If your tip-to-tip distance is between 49″ and 56.5″, this is your model.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy Choose This Product?\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidest span in the lineup:\u003c\/strong\u003e Fits tripods with a 49″–56.5″ tip-to-tip — no other Universal model covers this range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 lb capacity:\u003c\/strong\u003e Fully supports the heaviest observatory-class telescope systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTall-eyepiece advantage:\u003c\/strong\u003e Taller legs allow a higher natural eyepiece height while keeping the rig stable and mobile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll out, observe, roll back:\u003c\/strong\u003e Session-to-session polar alignment and cable routing remain intact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSA-made:\u003c\/strong\u003e Welded steel, powder-coat finish, built to last decades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFits tripods with a tip-to-tip distance of 49″ to 56.5″ at observing height. Tripod foot receptacle is 2-3\/4″ I.D. Full-size Tie-Down Bracket Kit and 10″ pneumatic all-terrain wheel upgrade available separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Limitations\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTip-to-tip range 49″–56.5″ — measure carefully before ordering; most standard tripods fall in the HD Medium range instead\u003c\/li\u003e\n\u003cli\u003eTie-Down Bracket Kit sold separately\u003c\/li\u003e\n\u003cli\u003eStandard 5″ wheels for hard surfaces; 10″ pneumatic upgrade needed for grass or gravel\u003c\/li\u003e\n\u003cli\u003eAlways push or pull below the telescope's centre of gravity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I know if I need the HD Large versus the HD Medium?\u003c\/strong\u003e\u003cbr\u003eMeasure your tripod tip-to-tip at observing height. If it measures between 34″ and 42.5″, use the HD Medium. If it measures between 49″ and 56.5″, use the HD Large. Most consumer GEM tripods fall in the HD Medium range; large observatory tripods typically fall in the HD Large range.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use 10″ pneumatic wheels with the HD Large?\u003c\/strong\u003e\u003cbr\u003eYes — the 10″ pneumatic wheel + tow handle upgrade is available separately for all-terrain use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOur Recommendation\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe HD Large is the right choice for owners of observatory-class telescope systems with wide-spread tripod legs in the 49″–56.5″ range. If your tripod measures less than 49″ tip-to-tip, the HD Medium will fit and is more appropriate. Always measure your tripod at your intended observing height before ordering.\u003c\/p\u003e","brand":"JMI","offers":[{"title":"Default Title","offer_id":53296860201071,"sku":"TPWULGHD","price":838.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/TPWULG5.jpg?v=1781714231"},{"product_id":"jmi-astro-physics-pier-mount-wheeley-bars","title":"JMI Astro-Physics Pier Mount Wheeley Bars","description":"\u003cp\u003eThe \u003cstrong\u003eJMI Astro-Physics Pier Mount Wheeley Bars\u003c\/strong\u003e are a purpose-built mobility solution designed specifically for Astro-Physics pier mounts. Roll your fully assembled pier-mounted telescope from storage to your observing position without disturbing setup, cables, or alignment. Built by JMI on heavy welded steel with 5″ locking caster wheels. Made in California, USA.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eUnlike the Universal Wheeley Bar series — which fits adjustable-leg tripods — this model is custom-engineered for the Astro-Physics pier mount base. 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Made in California, USA.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Motorized Wheeley Bar is a powered telescope mobility system for tripod-mounted telescopes. It combines the proven JMI Wheeley Bar frame and locking-wheel design with an integrated motorized drive unit, allowing you to move a fully loaded imaging or visual rig with minimal physical effort. Ideal for heavy setups, limited mobility situations, or observatory configurations where powered transport is needed.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWho Is This Product Best For?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eObservers and imagers who regularly move heavy rigs and want a powered solution — particularly those with physical limitations, very heavy imaging setups, or long transit distances between storage and observing positions. 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Set the Dob down once at the start of the night and roll it back in when you are done. Made in California, USA.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Sky Trekker 200 is a steel Dobsonian dolly that cradles the base of smaller Dobsonian telescopes and rolls on locking wheels. It eliminates the need to carry the heavy rocker box in and out of storage each session. Designed for Dobsonians in the 8-inch class and compatible similar-sized trunnion-base Dobs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWho Is This Product Best For?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOwners of smaller Dobsonian telescopes — 6-inch to 8-inch class Dobs — who store their telescope assembled and want a simple dolly to roll it in and out. 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If your Dob is in the 14-inch to 16-inch range, check the Sky Trekker 350 instead. The current sale price makes this excellent value for any serious large-Dob owner.\u003c\/p\u003e","brand":"JMI","offers":[{"title":"Default Title","offer_id":53296860987503,"sku":"TPWST400","price":838.6,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/wheeley-bars-4_018f46e4-bea0-4fd2-9c9e-87a9e5e3246d.jpg?v=1781714343"},{"product_id":"jmi-triangle-style-wheeley-bar-dobsonian-dolly-for-8-10-12-telescopes","title":"JMI Triangle-Style Wheeley Bar — Dobsonian Dolly for 8″, 10″ \u0026 12″ Telescopes","description":"\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eJMI Triangle-Style Wheeley Bar\u003c\/strong\u003e is a three-wheeled Dobsonian telescope dolly for 8-inch, 10-inch, and 12-inch Dobsonian telescopes. It gives visual observers a practical way to roll a medium Dobsonian from storage to a driveway, garage, patio, or other hard, flat observing area without lifting the full telescope. The triangular three-point layout uses one caster at each point and includes 5-inch locking caster wheels. Made in California, USA.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWho Is This Product Best For?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is best for Dobsonian owners who store their telescope indoors, in a garage, or near their observing area and want easier roll-out setup for visual astronomy. It is a good fit for beginner to intermediate visual observers with 8-inch, 10-inch, or 12-inch Dobsonians who want a simpler and more affordable mobility option than larger Sky Trekker-style platforms.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy Choose This Product?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriangle-style Dobsonian support:\u003c\/strong\u003e Three-point layout designed for medium Dobsonian bases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll-out convenience:\u003c\/strong\u003e Helps move a Dobsonian from storage to a nearby observing location with less lifting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-inch locking caster wheels:\u003c\/strong\u003e Included wheels help keep the platform controlled once positioned on a flat surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for popular Dob sizes:\u003c\/strong\u003e Suitable for 8-inch, 10-inch, and 12-inch Dobsonian telescopes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePractical price point:\u003c\/strong\u003e A simpler mobility solution than larger heavy-duty Wheeley Bar models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured by JMI in California.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMoving 8-inch, 10-inch, and 12-inch Dobsonian telescopes between storage and a nearby observing area\u003c\/li\u003e\n\u003cli\u003eGarage-to-driveway, shed-to-patio, or roll-out visual observing setups\u003c\/li\u003e\n\u003cli\u003eReducing lifting and setup effort for medium Dobsonian telescopes\u003c\/li\u003e\n\u003cli\u003eVisual observing setups on smooth, hard, level surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Dobsonian telescope bases in the 8-inch to 12-inch class\u003c\/li\u003e\n\u003cli\u003eUses a triangular three-wheel layout rather than a rectangular tripod-style frame\u003c\/li\u003e\n\u003cli\u003eIncludes 5-inch locking caster wheels\u003c\/li\u003e\n\u003cli\u003eBest suited to smooth garage floors, paved driveways, patios, and other firm flat surfaces\u003c\/li\u003e\n\u003cli\u003eFor larger or heavier Dobsonians, consider a heavier-duty Sky Trekker Wheeley Bar model instead\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Limitations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDobsonian-only accessory:\u003c\/strong\u003e Not intended for tripod-mounted telescopes, equatorial mounts, or pier-mounted systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface dependent:\u003c\/strong\u003e Not ideal for rough ground, grass, gravel, stairs, steep slopes, or uneven terrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot for very large Dobs:\u003c\/strong\u003e For 14-inch and larger Dobsonians, choose an appropriate larger JMI Sky Trekker model.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo motorized movement:\u003c\/strong\u003e This is a manual rolling dolly, not a powered transport system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInventory note:\u003c\/strong\u003e If current stock is 0, orders may require sourcing or vendor lead time before fulfillment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this Wheeley Bar for Dobsonian telescopes?\u003c\/strong\u003e\u003cbr\u003eYes. This triangle-style model is intended for 8-inch, 10-inch, and 12-inch Dobsonian telescopes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it with a tripod-mounted telescope?\u003c\/strong\u003e\u003cbr\u003eNo. This model is designed around Dobsonian bases. Tripod-mounted instruments should use a compatible rectangular Wheeley Bar or a mount-specific mobility solution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat surfaces does it work best on?\u003c\/strong\u003e\u003cbr\u003eIt works best on hard, smooth, flat surfaces such as garage floors, paved driveways, patios, and similar roll-out observing areas.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include wheels?\u003c\/strong\u003e\u003cbr\u003eYes. The product listing indicates 5-inch locking caster wheels are included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this good for beginners?\u003c\/strong\u003e\u003cbr\u003eYes, for beginners who already own an 8-inch to 12-inch Dobsonian and want easier roll-out setup. It is not needed if the telescope is already easy to carry or if the observing site requires stairs or rough terrain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen should I choose a different JMI Wheeley Bar?\u003c\/strong\u003e\u003cbr\u003eChoose a larger Sky Trekker or heavy-duty model for bigger Dobsonians, heavier custom builds, or setups that need more robust transport support.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOur Recommendation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOntario Telescope recommends the JMI Triangle-Style Wheeley Bar for visual observers with 8-inch, 10-inch, or 12-inch Dobsonians who want a simple roll-out solution for home observing. It solves the common problem of moving a bulky Dobsonian over short distances on flat surfaces. Do not choose this model for tripod-mounted telescopes, rough terrain, stairs, or larger heavy Dobsonian builds.\u003c\/p\u003e","brand":"JMI","offers":[{"title":"Default Title","offer_id":53296896999535,"sku":"TPWTRI","price":349.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/TPWTD12-8.webp?v=1781725212"},{"product_id":"jmi-ez-glide-wheeley-kit-universal-dobsonian-telescope-mobility-upgrade","title":"JMI Ez-Glide Wheeley Kit — Universal Dobsonian Telescope Mobility Upgrade","description":"\u003cp\u003eThe \u003cstrong\u003eEz-Glide Wheeley Kit\u003c\/strong\u003e is a universal Dobsonian mobility upgrade that adds wheels directly to any Dobsonian telescope's rocker box — without replacing the rocker box or requiring a separate dolly platform. A clever, low-profile solution for Dob owners who want easy rolling mobility without the footprint of a full dolly frame.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eUnlike the Sky Trekker and Triangle-Style Wheeley Bars — which are standalone dolly platforms that the Dob sits on — the Ez-Glide Wheeley Kit attaches wheel hardware directly to the existing rocker box of a Dobsonian telescope. The result is a compact, integrated mobility solution that works with virtually any Dob. The kit includes everything needed to install wheels on your existing rocker box.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWho Is This Product Best For?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDobsonian owners who want rolling mobility without adding a large separate dolly platform. Particularly suited for those with space limitations, or anyone who wants the cleanest, most integrated mobility setup for their Dob. Also useful for Dob owners whose base dimensions do not match any of the Sky Trekker model sizes.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy Choose This Product?\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal compatibility:\u003c\/strong\u003e Attaches to virtually any Dobsonian rocker box — not size-restricted like platform dollies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo separate dolly platform needed:\u003c\/strong\u003e Wheels mount directly to the existing rocker box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-profile and compact:\u003c\/strong\u003e Adds minimal height and footprint compared to full dolly platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessible price:\u003c\/strong\u003e The most affordable entry point in the JMI Dob mobility lineup.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eUSA-made by JMI.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdding rolling mobility to any Dobsonian telescope whose rocker box dimensions do not match a standard Sky Trekker model\u003c\/li\u003e\n\u003cli\u003eCompact Dob mobility for storage on tight garage floors\u003c\/li\u003e\n\u003cli\u003eA clean, low-profile integrated wheel solution for any Dob\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eUniversal — compatible with virtually any Dobsonian telescope rocker box. Hardware included for direct attachment. Confirm your rocker box material and design can accommodate the mounting hardware before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Limitations\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor Dobsonian telescopes only\u003c\/li\u003e\n\u003cli\u003eRequires mounting hardware installation on your existing rocker box\u003c\/li\u003e\n\u003cli\u003eDesigned for hard flat surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOur Recommendation\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Ez-Glide Wheeley Kit is the best choice for any Dob owner who wants wheels without a separate platform dolly — and especially for those whose Dob base dimensions do not match the Sky Trekker 200, 300, 350, or 400. At $165 USD, it is also the lowest-cost entry point in the JMI Dob mobility lineup.\u003c\/p\u003e","brand":"JMI","offers":[{"title":"Default Title","offer_id":53296897163375,"sku":"TPWEZG","price":231.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/doublebattery-1_91b73273-7544-44af-a723-3b37b9e330a6.jpg?v=1781714383"}],"url":"https:\/\/ontariotelescope.com\/collections\/jmi-wheeley-bars-telescope-dollies.oembed","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}