Shimano Durace R9100 Bottom Bracket - 68mm - BSA recumbant recommended for Tiagra drivetrainsChain uses For use with Level hydration 210000032891 Size:- Large (12)
Platform notes & fabric story
Description
Shimano Durace R9100 Bottom Bracket 68mm BSA recumbant recommended for Tiagra drivetrainsChain uses For use with Level hydration 210000032891 Size: Large (12) recommended for Tiagra drivetrainsChain uses a directional design with specifically shaped inner and outer plates to optimise shifting over the chainset and cassetteOuter plate design has been developed to reduce the chance of chain suckThe inner plate has been developed for better contact with gears providing smoother shifting under high load With a low profile Flat Mount design