12 x 14T CrMo derailleur pulleys. Narrow Wide tooth profiling ensures ultimate chain retention. Composite material provided by EMS Swiss, with 40% glass-fibre mixture. Sealed bearings. Compatible with SRAM 12 spd MTB.
BBB Cycling RollerBoys 12T SR Pulley Wheels | SRAM Compatible | High Performance Composite Material | 12-speed Groupsets | Durable and Efficient Derailleur Jockey Wheels | BDP-10
BBB Cycling 2x 10-T Derailleur Jockey Wheels I Rear Wheel Pulleys For 7- 8- 9- and 10-Speed Shimano, SRAM and Campagnolo I Shimano Jockey Wheels I RollerBoys BDP-01
BBB Cycling, 2x 11-T Derailleur RollerBoys Rear Wheel Pulleys for Urban and Road Bikes, 9- 10- and 11-Speed Campagnolo Shimano and SRAM BDP-02
BBB Cycling 2x 12-14-T Derailleur Jockey Wheels Narrow/Wide I SRAM Jockey Wheels 12 speed MTB System Compatible I RollerBoys BDP-07, Black/White
BBB Cycling 12-T SRAM Compatible Derailleur Jockey Wheels 11 Speed I Narrow/Wide With Sealed Bearings I SRAM Jockey Wheels I RollerBoys BDP-06
BBB Cycling Ceramic Derailleur Rear Jockey Wheel Pulleys | 12-speed | SRAM MTB System Compatible | RollerBoys Ceramic 12T-14T BDP-17
