{"product_id":"kt-530-0024212","title":"Drive Sprocket Front 12T 420 size YSR50","description":"[KITACO 530-0024212 Drive Sprocket Front 12T 420 Size YSR50 KITACO 530-0024212]\u003cbr\u003e\nThere are no clear standards for when to replace sprockets, making it very ambiguous.\u003cbr\u003e\nOne criterion for judgment is \"tooth wear.\"\u003cbr\u003e\nIf the teeth become pointed, or the belly or sides are worn down, it's time for replacement.\u003cbr\u003e\nSimultaneous replacement of front and rear sprockets and chain If you only replace one part, the worn parts that haven't been replaced will prevent the new parts from performing at their full potential and durability, leading to an earlier replacement time. Therefore, considering the long run, it is recommended to replace all three parts simultaneously for longer life.\u003cbr\u003e\nFront side (engine side) sprocket.\u003cbr\u003e\nMade of S45C (high carbon steel), which is lightweight and highly durable.\u003cbr\u003e\nSprockets are consumable parts.\u003cbr\u003e\nAs a guideline for general riding, inspect the sprocket approximately every 1000km.\u003cbr\u003e\n(With daily lubrication, the lifespan of sprockets and chains will significantly improve.)\u003cbr\u003e\nThe larger the gear ratio (rear sprocket teeth ÷ front sprocket teeth), the more acceleration-oriented it is; the smaller the ratio, the more top-speed-oriented it is.\u003cbr\u003e\nCompatible models: YSR50・RD50・MR50・YB50・GT50 OR50・GAG Pocket\/Vogel all models\u003cbr\u003e\nYB-1 58E all models\u003cbr\u003e\nYB50 58E\u003cbr\u003e\nBirdie 50 FNO.BA41A-100001~ and others\u003cbr\u003e\n*The image is for illustrative purposes only, and the design and specifications of the products shown may change without prior notice. Please be aware of this.","brand":"キタコ(KITACO)","offers":[{"title":"Default Title","offer_id":45534811586795,"sku":"kt-530-0024212","price":829.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1021\/9499\/files\/kt-530-0024212.jpg?v=1718960450","url":"https:\/\/bikeman.jp\/en\/products\/kt-530-0024212","provider":"バイクマン","version":"1.0","type":"link"}