{"product_id":"50-tooth-rear-sprocket-420-chain-40mm-bore","title":"50-Tooth Rear Sprocket (#420 Chain, 40mm Bore)","description":"The Coleman Powersports rear sprocket is a replacement component for various mini bikes and go-karts, designed to work with #420 chain. This sprocket has 50 teeth and a 40mm center hole diameter. Its mounting hole specifications include a side-by-side distance of 57mm and a straight-across distance of 80mm. The overall diameter of the sprocket is 20.9cm (8.25 inches). This part is specifically noted for use on Coleman Trail BT200X, CT200U, and CT200U-EX mini bikes. It is also compatible with Massimo and Baja MB165 and MB200 mini bikes. It is crucial to measure your existing chain or sprocket before ordering to ensure compatibility, as the #420 chain has a 1\/2 inch pitch and a 5\/16 inch roller diameter.","brand":"Coleman Powersports","offers":[{"title":"Default Title","offer_id":52687413215544,"sku":"1243-RS420-200","price":18.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/661176895.jpg?v=1784883811","url":"https:\/\/store.motormia.co\/products\/50-tooth-rear-sprocket-420-chain-40mm-bore","provider":"MOTORMIA","version":"1.0","type":"link"}