BBB RollerBoys 11t Derailleur Pulleys Black

These boys will keep you rolling.

RollerBoys transform your bike ride into an exceptionally smooth experience, ensuring you never want to hit the brakes! These pulley wheels are constructed from durable composite materials, and their unique tooth pattern allows for lightning-fast gear shifts. Every serious cyclist should consider RollerBoys as an essential addition to their gear.

Features:

• Composite material provided by EMS Swiss, with 40% glass-fiber mixture.
• Special teeth pattern for quick shifting performance.
• Complete set of bushings for different shifting systems included.