BBB jockey wheels BDP-10 RollerBoys 12T
EMS Swiss composite material with a 40 % glass fibre blend.
12x12T CrMo jockey wheels
EMS Swiss composite material with a 40 % glass fibre blend.
Sealed bearings with an aluminium cover for optimal service life.
Compatible with 12-speed SRAM.
| model year: | nespecifikován |















































































































































































































































































































































































































































































