{"product_id":"9-tooth-jackshaft-sprocket-for-40-41-420-chain-5-8-inside-diameter","title":"9 Tooth Jackshaft Sprocket for #40\/#41\/420 Chain (5\/8\" Inside Diameter)","description":"This 9 tooth jackshaft sprocket is used with size #40, #41, and 420 chains. It uses the common 5\/8\" bore (inside) diameter that matches up to the 5\/8\" axle shafts on many popular mini bike and go-kart models. In addition, this jackshaft sprocket is rather useful to the custom go-kart or mini bike builder who wants to design and assemble their own unique machine.\n\u003cbr\u003e\u003cbr\u003e\nCategorized as a Type C sprocket, the 5\/8\" thick hub is centered equally on both sides. (Type B sprockets have the hub offset to one side.) In addition, the shaft key is an integral (or \"broached\") part of the sprocket.\n\u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eNote:\u003c\/b\u003e This jackshaft sprocket is not compatible with the Baja \u0026amp; Falcon mini bikes. These brands use sprockets with a slightly larger 0.675\" internal diameter.","brand":"Monster Scooter Parts","offers":[{"title":"Default Title","offer_id":44337949081762,"sku":"X98-8931","price":11.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/6943\/0690\/files\/x98-8931.jpg?v=1774733471","url":"https:\/\/monstorscooterparts.shop\/products\/9-tooth-jackshaft-sprocket-for-40-41-420-chain-5-8-inside-diameter","provider":"Monster Scooter Parts","version":"1.0","type":"link"}