Light Weight Kit for Better Horsepower and Reaction.
Longer Pulley Face for More Top Speed
Special Forged Drive Face for Quick RPM and Accelerate.
2 Thickness Spacers Allow Different Variable Speed setting.
Perfect for DIY and Professional Racers.
Forged Alloy Drive Face=126.5 g.
Pulley Diameter=117.5 mm, Weight=308 g.
Steel Ramp w/ Sliders.
Spacers= 0.5 mm * 1 , 1 mm * 1.