【Package Contents】1× 420-12T 17mm Front Engine Sprocket, 1× Engine Sprocket Retainer Plate Clip, 2× Bolts. This 420 sprocket is compatible exclusively with 420 chains.
【Precision Dimensions】Model: 420-12T sprocket, Inner bore: 17 mm / 0.67", Bolt-hole spacing: 30 mm / 1.2", Thickness: 6 mm / 0.24". Double-check these 420 sprocket specs before ordering to guarantee a perfect fit.
【Applicable】The motorcycle 420-12T 17mm front sprocket fits most motorcycle 50cc 70cc 90cc 110cc 125cc pit dirt mini bike ATV 4 wheeler go kart quad. This small 420 sprocket works with TaoTao, Roketa, Sinnis Terrain, Coolster, Sunl, Lifan, Loncin, Jialing, Zongshen and many other Chinese brands.
【Premium Performance】Forged from #45 high-strength steel, this sprocket is heat-treated for maximum hardness and resistance to deformation. Precision-machined teeth deliver flawless chain engagement, cutting down on chain skip and wear. Whether you’re pinning the throttle on the highway or blasting through rugged terrain, this 420 front engine sprocket maintains rock-solid power transfer, boosting both safety and reliability.
【Easy Installation】Let you swap the 420 12 tooth sprocket in minutes. Align the 420 sprocket with the output shaft, secure it using the supplied washer and bolts, confirm the chain seats properly on the teeth, then torque everything to specification.
Package Dimensions: 3.31 x 2.52 x 0.55 inches; 2.89 ounces
Item model number: 420-12T
Date First Available: August 4, 2025
Manufacturer: CQSP
ASIN: B0FF45CWXT
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