E*13 Threaded Bottom Bracket - 577214949
Our threaded BBs adapt ethirteen cranks with 30mm spindle to standard BSA threaded BB shells.
Custom seals, grease fill and radial contact bearings are designed from the ground up for top-notch durability and smooth spinning. All of our BBs include our 1 year, no questions asked bearing guarantee.
Primary Uses:Threaded BB shells