Black Bbb Bdp-10 Rollerboys 12T Sram Jockey Wheels - / 12 Speed

SRAM COMPATIBLE: The RollerBoys Pulley Wheels are compatible with 12-speed SRAM road groupsets. EFFICIENT SHIFTING: These derailleur pulley's makes shifting gears a breeze thanks to its 12-teeth pattern. DURABLE: These SRAM jockey wheels are stronger than regular Nylon materials thanks to a 40% glass-fiber mix. STEALTHILY QUIET: Sealed CrMo bearings make for a silent operation compared to pulley wheels without ball bearings. PULLEY SIZE: the pulley wheels made from EMS Swiss composite material come in size 12T.