BBB BDP-10 - RollerBoys 12T SRAM Jockey Wheels

12 x 12T CrMo derailleur pulleys. High-performance composite material from EMS Swiss with 40% glass-fibre blend. Sealed bearing with aluminium cover for optimal durability. Compatible with 12 speed SRAM road groupset. SpecificationsCompatible with BrandsSRAMCompatible withSRAM 12 SpeedPart MaterialsGrivory EMSBearing MaterialCrMoGears12 speedPulley Size12TNarrow WideTension Pulley Only.