Topeak have been creating high-quality components for Mountain Bikes for years

Material 6061

Designed with the same features found on the adult helmets

Compatible with 11 and 12-speed drivetrains

Sold in model specific kits

Wheels Manufacturing BSA External Bottom Bracket - 30mm - BSA Threaded - 68-73mm - Standard Bearings Do Not Ship Internationally Topeak have been creating high-qualityThis is a direct replacement for OEM BSA threaded english bottom brackets for either straight 24mm Shimano (Raceface EXI and some FSA cranks) or stepped 22 24mm SRAM Truvativ of some FSA Mega Exo cranks. High quality aluminium cups coupled with legendary Enduro Bearings and silicone seals for fantastic performance in all conditions. Bearings are completely replaceable, so this will be the last bottom bracket assembly you'll ever need to buy!