Combine MBS 72T wheel pulleys with MBS RockStar II or RockStar Pro hubs to take the first step toward electrifying your ride. Ideal for 8" tires, but also works great with smaller tires, especially for hilly areas and high-torque burn outs.

Material: Fiberglass reinforced Nylon

Includes:
(1) Wheel Pulley
(5) Mounting Screws (60mm or 65mm) / Select size from Drop Down menu above

NOTE:
RockStar II / RockStar Pro Hubs use M4 X 60mm Mounting Screws
Fivestar Hubs use M4 X 65mm Mounting Screws