Renthal Rear Sprocket ATK, All early years-50T-Silver

Renthal Rear Sprocket ATK, All early years, Precision CNC machining for unequaled accuracy of fit, tooth profile and concentricity. An 'Ultralight' design reducing unnecessary weight while retaining maximum strength. Aluminum (one-third the weight of steel) which reduces the power required to accelerate and brake unsprung revolving weight, resulting in improved race performance. Self-cleaning mud grooves in between each tooth. Manufactured from specially enhanced 7075 T6 aluminum alloy.