Wheels Manufacturing BSA External Bottom Bracket - 30mm - BSA Threaded - 68-73mm - AC Bearings YGroup_7033400098861 These are easy to service

These are easy to service at home without the need for special tooling

Deluxe/Super Deluxe 2017 - 50 Hour

For mountain bike use

Standard Freehub Body to suit all 8/9/10 speed cassettes

or mounted to the frame

Wheels Manufacturing BSA External Bottom Bracket - 30mm - BSA Threaded - 68-73mm - AC Bearings YGroup_7033400098861 These are easy to serviceThis 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!