Great option for replacing your old BB. Threaded bottom brackets for SRAM and Truvativ cranksets. Engineered with the right materials for the application, including sealed cartridge bearings.
A combination of unmatched durability and huge range of cog sizes make these Surly track cogs a go-to for working, tracklocross or just getting around on your fixie!
With its BEAM SPIDER construction, the new SHIMANO DEORE M6100 12-speed cassette shaves weight while increasing SHIMANO's MTB gearing range another gear.