RollerBoys equipped with low friction ceramic bearings for ultra-smooth glide and exceptional durability. Lubricated with special ceramic light oil for extra smoothness. Composite material provided by EMS Swiss, with 40% glass-fiber. Complete set of bushings for different shifting systems included. Compatible with Shimano 9 and 10-speed / Mega Range and Campagnolo 11 speed.
Included in delivery: 1 pair incl. complete set of bushings for different shifting systems

he 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.
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.