{"product_id":"jmi-sky-trekker-200-wheeley-bar","title":"Sky Trekker 200 Wheeley Bar for Dobsonian telescopes","description":"\u003c!--FPSEO|v1|20260528|111111011110001010--\u003e\n\u003cstyle\u003e\n.fp-wbp{font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,\"Helvetica Neue\",Arial,sans-serif;line-height:1.6;color:#2a2a2a;max-width:900px;}\n.fp-wbp *{box-sizing:border-box;}\n.fp-wbp h2{font-size:1.45em;font-weight:700;color:#0d1333;margin:30px 0 12px;line-height:1.25;}\n.fp-wbp h3{font-size:1.05em;font-weight:600;color:#0d1333;margin:0 0 8px;}\n.fp-wbp p{margin:0 0 14px;}\n.fp-wbp a{color:#b8862a;font-weight:600;text-decoration:none;}\n.fp-wbp a:hover{text-decoration:underline;}\n.fp-wbp strong{color:#0d1333;}\n.fp-wbp .badge{display:inline-block;background:#0d1333;color:#c9a84c;padding:5px 14px;border-radius:20px;font-size:0.76em;font-weight:700;letter-spacing:0.07em;text-transform:uppercase;margin-bottom:14px;}\n.fp-wbp 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.cm{flex:0 0 36%;}\n.fp-wbp .cmp-dob .cc{flex:0 0 22%;}\n.fp-wbp .cmp-dob .ct{flex:1;}\n.fp-wbp .cnow{background:#fffbed;}\n.fp-wbp .cnow .cm{color:#6a4f12;}\n.fp-wbp .tag{display:inline-block;background:#b8862a;color:#fff;font-size:0.72em;font-weight:700;padding:1px 7px;border-radius:10px;margin-left:6px;vertical-align:middle;text-transform:uppercase;letter-spacing:0.03em;}\n.fp-wbp .cnote{font-size:0.82em;color:#777;margin-top:8px;}\n.fp-wbp .aplist{list-style:none;padding:0;margin:14px 0;border:1px solid #e0ddd4;border-radius:10px;overflow:hidden;}\n.fp-wbp .aplist li{padding:11px 16px;border-top:1px solid #ece9e1;font-size:0.92em;}\n.fp-wbp .aplist li:first-child{border-top:0;}\n.fp-wbp .aplist li::before{content:'\\2713';color:#b8862a;font-weight:700;margin-right:10px;}\n.fp-wbp .callout{background:#fffbed;border:1px solid #e6c878;border-left:5px solid #b8862a;border-radius:8px;padding:16px 20px;margin:18px 0;font-size:0.95em;}\n.fp-wbp .callout strong{color:#6a4f12;}\n.fp-wbp 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a{display:inline-block;background:#c9a84c;color:#0d1333;padding:10px 22px;border-radius:5px;font-weight:700;margin:4px 8px 4px 0;}\n.fp-wbp .cta a:hover{background:#d4b75c;text-decoration:none;}\n@media(max-width:600px){.fp-wbp .specs .row{flex-direction:column;}.fp-wbp .specs .k{flex:none;}}\n\u003c\/style\u003e\n\n\u003cdiv class=\"fp-wbp\"\u003e\n\n\u003cspan class=\"badge\"\u003eSky Trekker Series · For Dobsonian Telescopes\u003c\/span\u003e\n\u003cp class=\"lead\"\u003eSave your back — roll your Dobsonian out in one trip.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eJMI Sky Trekker 200 Wheeley Bar\u003c\/strong\u003e makes moving a heavy or awkward Dobsonian telescope a breeze. Roll your scope from storage to your observing spot, level the base on its built-in leveling screws, and start observing — the whole process takes about a minute, nearly effortlessly. You’ll observe more and enjoy the hobby more when setup is this quick. Built on a sturdy welded-steel frame by JMI (part of the CXB Astro family) and made in the USA.\u003c\/p\u003e\n\u003cp\u003eThe ST 200 is the smaller member of the Sky Trekker series, designed for \u003cstrong\u003e8″ to 10″ Dobsonians\u003c\/strong\u003e. It offers two mounting positions on the base to accommodate the two most common foot-spacing patterns in this size class. If your Dob is in the 10″–12″ range, compare against the Sky Trekker 300 below.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"k\"\u003eFits Dobsonian class\u003c\/div\u003e\n\u003cdiv class=\"v\"\u003e8″–10″ Dobsonian telescopes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"k\"\u003eFoot-to-foot (cof-to-cof) range\u003c\/div\u003e\n\u003cdiv class=\"v\"\u003e10.875″–12.0″ (276–305 mm) \u003cem\u003eor\u003c\/em\u003e 14.3″–15.4″ (363–391 mm)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"k\"\u003eMaximum ground board\u003c\/div\u003e\n\u003cdiv class=\"v\"\u003e22″ diameter\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"k\"\u003eWheels\u003c\/div\u003e\n\u003cdiv class=\"v\"\u003e10″ pneumatic tires — all-terrain, all-surface (no upgrades needed)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"k\"\u003eLift height\u003c\/div\u003e\n\u003cdiv class=\"v\"\u003eRaises the setup ~3.5″ off the ground\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"k\"\u003eFootprint\u003c\/div\u003e\n\u003cdiv class=\"v\"\u003e27″ wide (at rear wheels) × 37″ long\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"k\"\u003eConstruction\u003c\/div\u003e\n\u003cdiv class=\"v\"\u003eWelded steel, locking wheels, leveling bolts. Made in USA.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eWhich Sky Trekker Fits Your Dob?\u003c\/h2\u003e\n\u003cp\u003eThe Sky Trekker series comes in two sizes — match your Dob to the right one. Don’t know your foot-to-foot distance yet? Jump down to \u003ca href=\"#measure\"\u003eHow to Measure\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv class=\"cmp cmp-dob\"\u003e\n\u003cdiv class=\"crow chead\"\u003e\n\u003cdiv class=\"cm\"\u003eModel\u003c\/div\u003e\n\u003cdiv class=\"cc\"\u003eFits\u003c\/div\u003e\n\u003cdiv class=\"ct\"\u003eFit measurement\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"crow cnow\"\u003e\n\u003cdiv class=\"cm\"\u003eSky Trekker 200\u003cspan class=\"tag\"\u003eThis model\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cc\"\u003e8″–10″ Dobs\u003c\/div\u003e\n\u003cdiv class=\"ct\"\u003ecof-to-cof: 10.875″–12.0″ or 14.3″–15.4″\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"crow\"\u003e\n\u003cdiv class=\"cm\"\u003e\u003ca href=\"\/products\/jmi-sky-trekker-300-wheeley-bar\"\u003eSky Trekker 300\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"cc\"\u003e10″–12″ Dobs\u003c\/div\u003e\n\u003cdiv class=\"ct\"\u003ecof-to-cof: 15.75″–16.875″ or 19.5″–20.625″\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"crow\"\u003e\n\u003cdiv class=\"cm\"\u003e\u003ca href=\"\/products\/jmi-sky-trekker-350-wheeley-bar\"\u003eSky Trekker 350\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"cc\"\u003e12″–14″ Dobs\u003c\/div\u003e\n\u003cdiv class=\"ct\"\u003eground board: 28″–32″ diameter\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"crow\"\u003e\n\u003cdiv class=\"cm\"\u003e\u003ca href=\"\/products\/jmi-sky-trekker-400-wheeley-bar\"\u003eSky Trekker 400\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"cc\"\u003e14″–16″ Dobs\u003c\/div\u003e\n\u003cdiv class=\"ct\"\u003eground board: 28″–32″ diameter\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"cnote\"\u003eHave a Triangle-base Dob or a different mount style? See our full \u003ca href=\"\/collections\/wheeley-bars\"\u003eWheeley Bars range\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eTelescopes Known to Fit the ST 200\u003c\/h2\u003e\n\u003cul class=\"aplist\"\u003e\n\u003cli\u003eMeade LightBridge 8″\u003c\/li\u003e\n\u003cli\u003eOrion SkyQuest XT8\u003c\/li\u003e\n\u003cli\u003eCelestron \/ Sky-Watcher 10″ Collapsible Dobsonian\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf your Dob isn’t listed, measure your foot-to-foot distance (instructions below) and compare it to the spec box — if your number falls inside one of the ST 200’s two ranges, you’re good to go.\u003c\/p\u003e\n\n\u003ch2\u003eSee the Sky Trekker in Action\u003c\/h2\u003e\n\u003ca class=\"fp-video\" href=\"https:\/\/youtu.be\/UOy9_s8tlro\" target=\"_blank\" rel=\"noopener\" aria-label=\"Play video: JMI Sky Trekker Wheeley Bar demonstration\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0567\/6639\/8617\/files\/preview_images\/hqdefault_f314d411-d89a-4a84-ac2e-9266fa5f00f4.jpg?v=1779989533\" alt=\"JMI Sky Trekker Wheeley Bar in action — watch the demonstration video\" loading=\"lazy\"\u003e\u003cspan class=\"fp-play\" aria-hidden=\"true\"\u003e►\u003c\/span\u003e\u003c\/a\u003e\n\u003cp\u003eWatch a Sky Trekker carry a Dobsonian across the yard. The video also plays in the product gallery above.\u003c\/p\u003e\n\n\u003ch2 id=\"measure\"\u003eHow to Measure Your Dob’s cof-to-cof Distance\u003c\/h2\u003e\n\u003cp\u003e“cof-to-cof” is center-of-foot to center-of-foot — the straight-line distance between any two of the three feet on the bottom of your Dob’s ground board. To measure:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1.\u003c\/strong\u003e Turn the rocker box of the telescope upside down so the ground board is on top and the feet point up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2.\u003c\/strong\u003e Identify the three foot positions on the underside of the ground board.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3.\u003c\/strong\u003e Measure the straight-line distance between the centers of any two feet. Be reasonably accurate — within about 1\/8″.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4.\u003c\/strong\u003e Compare your number to the ranges in the spec box above (and to the comparison table for ST 200 vs ST 300).\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0567\/6639\/8617\/files\/BaseCofToCof.jpg?v=1746807952\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg class=\"measure-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0567\/6639\/8617\/files\/BaseCofToCof.jpg?v=1746807952\" alt=\"Example: measuring Dobsonian ground board center-of-foot to center-of-foot distance\" loading=\"lazy\"\u003e\u003c\/a\u003e\n\u003cp class=\"measure-caption\"\u003eExample of a ground board cof-to-cof measurement — click to enlarge.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is cof-to-cof distance, and how do I measure it?\u003c\/summary\u003e\n\u003cdiv class=\"faq-body\"\u003e\n\u003cp\u003ecof-to-cof stands for center-of-foot to center-of-foot — the straight-line distance between any two of the three feet on the bottom of your Dobsonian’s ground board. To measure, turn the rocker box upside down (feet pointing up), identify the three foot positions, and measure between any two. The ST 200 fits cof-to-cof distances of 10.875″–12.0″ (276–305 mm) or 14.3″–15.4″ (363–391 mm), corresponding to its two mounting positions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill my Dobsonian fit the Sky Trekker 200?\u003c\/summary\u003e\n\u003cdiv class=\"faq-body\"\u003e\n\u003cp\u003eThe ST 200 is designed for 8″ to 10″ Dobsonians. Telescopes known to fit include the Meade LightBridge 8″, Orion SkyQuest XT8, and Celestron \/ Sky-Watcher 10″ Collapsible Dobs. If your Dob isn’t on that list, measure your cof-to-cof distance and confirm it falls in one of the ST 200’s two ranges. Your Dob’s ground board must also be 22″ in diameter or less.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhy doesn’t the Sky Trekker come with wheel options?\u003c\/summary\u003e\n\u003cdiv class=\"faq-body\"\u003e\n\u003cp\u003eThe Sky Trekker series ships standard with 10″ pneumatic tires — these are designed for all-terrain use straight out of the box (concrete, sidewalks, grass, dirt, and gravel). The wheel-swap upgrade path used on the Universal Wheeley Bars isn’t needed for the Dob-specific Sky Trekkers. Take care on soft or wet ground, where pneumatic tires can sink in.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill it fit through my doorway?\u003c\/summary\u003e\n\u003cdiv class=\"faq-body\"\u003e\n\u003cp\u003eThe Sky Trekker 200 measures 27″ at its widest point (rear wheels) and 37″ long front-to-back, and rides about 3.5″ off the ground. Most interior doors (30″+) easily accommodate the 27″ width with a Dob mounted; check garage door tracks and any oddly-shaped passages. The PDF layout drawing below has full dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\n\u003ch2\u003eLayout Drawing\u003c\/h2\u003e\n\u003cdiv class=\"pdfs\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0567\/6639\/8617\/files\/SkyTrekker200_customer_drawing.PDF?v=1746827356\"\u003ePDF — Sky Trekker 200 Layout Drawing\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cta\"\u003e\n\u003ch3\u003eNot sure which Wheeley Bar is right for you?\u003c\/h3\u003e\n\u003cp\u003eCompare every model and walk through the full sizing guide.\u003c\/p\u003e\n\u003ca href=\"\/pages\/jmi-wheeley-bars-telescope-dollies\"\u003eSee the full guide\u003c\/a\u003e\n\u003ca href=\"\/collections\/wheeley-bars\"\u003eShop all Wheeley Bars\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is cof-to-cof distance on a Dobsonian, and how do I measure it?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"cof-to-cof means center-of-foot to center-of-foot, the straight-line distance between any two of the three feet on the bottom of your Dobsonian's ground board. Turn the rocker box upside down so the feet point up, identify the three foot positions, and measure between any two. The Sky Trekker 200 fits cof-to-cof distances of 10.875 to 12.0 inches (276 to 305 mm) or 14.3 to 15.4 inches (363 to 391 mm), corresponding to its two mounting positions.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will my Dobsonian fit the JMI Sky Trekker 200 Wheeley Bar?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The ST 200 is designed for 8 to 10 inch Dobsonians. Confirmed-compatible models include the Meade LightBridge 8 inch, Orion SkyQuest XT8, and Celestron \/ Sky-Watcher 10 inch collapsible Dobsonians. If your Dob isn't listed, measure your cof-to-cof distance and confirm it falls in one of the ST 200's two ranges. The ground board must also be 22 inches in diameter or less.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Why doesn't the Sky Trekker come with wheel options?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Sky Trekker series ships standard with 10 inch pneumatic tires designed for all-terrain use out of the box, including concrete, sidewalks, grass, dirt, and gravel. The wheel-swap upgrade path used on the Universal Wheeley Bars isn't needed here. Take care on soft or wet ground where pneumatic tires can sink in.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will the Sky Trekker 200 fit through my doorway?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Sky Trekker 200 is 27 inches at its widest point (rear wheels) and 37 inches long front-to-back, and rides about 3.5 inches off the ground. Most interior doors of 30 inches or more easily accommodate the 27 inch width with a Dob mounted; check garage door tracks and any oddly-shaped passages. The layout drawing on the product page has full dimensions.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"JMI","offers":[{"title":"Default Title","offer_id":40161557643417,"sku":"TPWLB8","price":429.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0567\/6639\/8617\/products\/SquareImage.jpg?v=1625071978","url":"https:\/\/farpointastro.com\/products\/jmi-sky-trekker-200-wheeley-bar","provider":"FarpointAstro","version":"1.0","type":"link"}