{"product_id":"428-19t-17mm-front-sprocket-high-speed-kit","title":"428-19T Front Engine Sprocket (17mm) for 50cc–125cc Pit Bike \u0026 ATV","description":"\u003ch2 data-path-to-node=\"3\" class=\"\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cspan class=\"\"\u003eThe \u003c\/span\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"4\" class=\"\"\u003e428-19T Front Sprocket\u003c\/b\u003e\u003cspan class=\"\"\u003e is the ultimate gearing solution for riders who want to push their small-displacement engines to their absolute top-end potential.\u003c\/span\u003e\u003cspan class=\"\"\u003e Designed for the standard \u003c\/span\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"184\" class=\"\"\u003e17mm countershaft\u003c\/b\u003e\u003cspan class=\"\"\u003e,\u003c\/span\u003e\u003cspan class=\"\"\u003e this massive 19-tooth sprocket drastically changes your gear ratio,\u003c\/span\u003e\u003cspan class=\"\"\u003e allowing for much higher cruising speeds and significantly lower engine vibration.\u003c\/span\u003e\u003cspan class=\"\"\u003e Crafted from hot-treated steel and built for the heavy-duty \u003c\/span\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"414\" class=\"\"\u003e428-series chain\u003c\/b\u003e\u003cspan class=\"\"\u003e,\u003c\/span\u003e\u003cspan class=\"\"\u003e it provides the strength and stability needed for high-velocity operation on go-karts,\u003c\/span\u003e\u003cspan class=\"\"\u003e mini-bikes,\u003c\/span\u003e\u003cspan class=\"\"\u003e and ATVs.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"6\"\u003eProduct Compatibility\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"7\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,1,0,0\"\u003e\u003cb data-path-to-node=\"7,1,0,0\" data-index-in-node=\"0\"\u003eEngine Displacement\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,1,1,0\"\u003e50cc, 70cc, 90cc, 110cc, 125cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,2,0,0\"\u003e\u003cb data-path-to-node=\"7,2,0,0\" data-index-in-node=\"0\"\u003eVehicle Types\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,2,1,0\"\u003eDirt Pit Bikes, ATVs, Go Karts, 4-Wheelers\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,3,0,0\"\u003e\u003cb data-path-to-node=\"7,3,0,0\" data-index-in-node=\"0\"\u003eChain Pitch\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,3,1,0\"\u003e\u003cb data-path-to-node=\"7,3,1,0\" data-index-in-node=\"0\"\u003e428\u003c\/b\u003e (Heavy Duty)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,4,0,0\"\u003e\u003cb data-path-to-node=\"7,4,0,0\" data-index-in-node=\"0\"\u003eShaft Fitment\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,4,1,0\"\u003e17mm Countershaft\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,5,0,0\"\u003e\u003cb data-path-to-node=\"7,5,0,0\" data-index-in-node=\"0\"\u003eCommon Brands\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,5,1,0\"\u003eTaoTao, SSR, Apollo, Lifan, YX, Zongshen\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"9\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"10\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,0,0\"\u003e\u003cb data-path-to-node=\"10,1,0,0\" data-index-in-node=\"0\"\u003eModel\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,1,0\"\u003e428 Style \/ 19 Teeth\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,0,0\"\u003e\u003cb data-path-to-node=\"10,2,0,0\" data-index-in-node=\"0\"\u003eInner Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,1,0\"\u003e17mm (0.67\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,0,0\"\u003e\u003cb data-path-to-node=\"10,3,0,0\" data-index-in-node=\"0\"\u003eMounting Hole Distance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,1,0\"\u003e30mm (1.18\") center-to-center\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,0,0\"\u003e\u003cb data-path-to-node=\"10,4,0,0\" data-index-in-node=\"0\"\u003eChain Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,1,0\"\u003e428\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,5,0,0\"\u003e\u003cb data-path-to-node=\"10,5,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,5,1,0\"\u003eHot-Treated High-Strength Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,0,0\"\u003e\u003cb data-path-to-node=\"10,6,0,0\" data-index-in-node=\"0\"\u003ePackage Includes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,1,0\"\u003e1 x Sprocket, 1 x Locking Holder, 2 x Bolts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"12\"\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"13,0,0\"\u003e\n\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eMaximum Speed Upgrade:\u003c\/b\u003e The 19-tooth configuration is one of the largest sizes available, offering a significant boost in top-end velocity. It is perfect for long-distance cruising or flat-track racing where high speed is the priority.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,1,0\"\u003e\n\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eVibration Reduction:\u003c\/b\u003e By increasing the tooth count, you allow your 110cc or 125cc engine to maintain speed at a much lower RPM, resulting in a smoother ride with less \"screaming\" from the engine.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,2,0\"\u003e\n\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eHot-Treated Steel Construction:\u003c\/b\u003e The steel is thermally hardened to provide exceptional durability, ensuring the sprocket can handle the heat and friction of sustained high-speed chain engagement.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,3,0\"\u003e\n\u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"0\"\u003eComplete Installation Kit:\u003c\/b\u003e This package includes a \u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"51\"\u003efree retainer holder and mounting bolts\u003c\/b\u003e, providing everything you need for a direct installation without the need for additional hardware.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,4,0\"\u003e\n\u003cb data-path-to-node=\"13,4,0\" data-index-in-node=\"0\"\u003eRobust 428 Design:\u003c\/b\u003e Sized specifically for 428 chains, this sprocket features thicker, stronger teeth than standard 420 versions, offering superior reliability for high-performance builds.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOOFIT","offers":[{"title":"Default Title","offer_id":54473375285416,"sku":"Q001-047","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/9821\/6104\/files\/Front-Sprocket-428-19T-17mm-For-50cc-125cc-Engine-0.jpg?v=1770784259","url":"https:\/\/goofitmoto.com\/products\/428-19t-17mm-front-sprocket-high-speed-kit","provider":"GOOFIT Moto","version":"1.0","type":"link"}