Specification:
◎ Threadless cartridge BB set
◎ Suitable for both threadless and threaded BB shell
◎ Decrease the noise caused from traditional BB shell eccentric transmission
◎ Quick assembly, fix firmly, more durably and safely
◎ 2 cartridge sealed bearings
◎ Alloy sleeve and cups
◎ Weight: 263g
◎ Patent no.: M357419
Cartridge Bottom Bracket Set