BBB Cycling Derailleur pulley RollerBoys

Derailleur pulleys RollerBoys

RollerBoys, the 12x12T CrMo derailleur pulleys. Made from high-performance composite material by EMS Swiss, they are made up of 40% glass fibre. Our RollerBoys are thus durable and efficient. With sealed bearings protected by an aluminium cover, these pulleys ensure optimal long-term performance. The RollerBoys perfectly integrate with SRAM 12-speed road groups, guaranteeing a smooth and precise cycling experience.

12x12T derailleur pulley in CrMo.
High-performance composite material from EMS Swiss with 40% glass fibre.
Sealed bearings with aluminium cover for optimal durability.
Compatible with SRAM 12-speed road groups.