Front 428 Sprocket 17 Tooth 17mm For 50cc To 160cc Pit Dirt Bikes ATV Quad Replacement Part Fits TaoTao Coolster Apollo Boom Vader Roketa Lifan NS125 SSR125 TRX Models High Quality
✔️ 428-17T front sprocket, 30mm mounting, 17mm bore, single piece
This 428-17T front sprocket is a durable steel gear designed to replace worn front sprockets on small displacement dirt bikes and ATVs. It fits a wide range of 428 chain drive systems and is commonly used on pit bikes and quads in the 50cc to 160cc class.
✅ Compatible with 428 chain drive for 50cc-160cc pit bikes and ATVs including SSR125, TaoTao DB27, Apollo RFZ110 X15/X18, Coolster 125cc, NS125, and TRX models
✅ Built from high-strength steel with heat treatment for wear resistance
✅ 17T tooth count delivers improved highway cruising and engine RPM balance
✅ Mounting spacing 30 mm (1.2"), bore 17 mm (0.67"), inner gear dia 14 mm (0.55"), thickness 7 mm (0.28")
✅ Single-piece replacement sprocket for quick service and durability
💡 What is a front sprocket used for and why choose a 428-17T for 50cc-160cc bikes? It sets the drive ratio by controlling chain engagement, which affects speed, torque, and engine rpm. For lightweight bikes, the 428-17T offers a handy balance of top speed and low-end power. - front sprocket role in chain drive - 428-17T provides a good fit for 50cc-160cc engines - durable steel with precise teeth extend life