RUTU 428 76mm 39 Tooth Rear Sprocket for Chinese 50cc 70cc 90cc 110cc 125cc 140cc 150cc 160cc 170cc 190cc Pit Dirt Trail Quad Motor Bike ATV

RUTU 428 76mm 39 Tooth Rear Sprocket for Chinese 50cc 70cc 90cc 110cc 125cc 140cc 150cc 160cc 170cc 190cc Pit Dirt Trail Quad Motor Bike ATV

Fittment：This is a replacement motorcycle or dirt bike sprocket is compatible with Chinese 50 70 90 110 125 140cc 150 160 170 Cc Apollo rfz CRF50 XR50 SDG IMR SSR YCF Kayo Thumpstar Coolster Pit Dirt Motor Bike Motorcycle Materials：We pride ourselves on the quality at which we produce this rear dirt bike sprocket. The sprocket gear itself is made from high-quality 45# steel, with excellent corrosion resistance and then heat-treated for a harder, stronger, and longer-lasting composition Highly Efficient: The chain sprocket is precision engineered to provide excellent chain grip. This helps drive efficiency so your motorcycle chain stays stable and consistent as you ride. Features：The Sprocket helps reduce friction when the chain turns on the sprocket teeth. This helps prevent premature chain wear and prolongs its lifespan Size：This motorcycle sprocket kit is compatible with chain size 428, pitch 1/2", roller width 5/16", roller diameter 5/16", sprocket thickness 6mm/0.235", inside diameter 76mm (3 "), the minimum hole diameter is 8mm (0.31"), we also provide four screws Material: Metal Color: As Picture Package Includes: 1 Piece Rear Sprocket、4 screws Features: The larger the number of teeth of the sprocket, the stronger the power, the smaller the number of teeth, the faster the speed.