BBB Cycling RollerBoys BDP-17 Ceramic Derailleur Pulleys 12/14 teeth - black

The durable and high-quality RollerBoys BDP-17 pulley wheels with ceramic bearings ensure smooth riding fun. The special tooth profiling was designed for even faster shifting and ultimate chain hold. Features of the BBB Cycling RollerBoys BDP-17 12T-14T ceramic derailleur pulleys compatible with SRAM 12-speed MTB equipped with low friction ceramic bearings for ultra-smooth glide and exceptional durability narrow/wide tooth profile ensures ultimate chain retention composite material from EMS Swiss, with 40% glass fibre compound lubricated with special ceramic light oil for extra smooth running.