BSA DUB, External Cup BB, British, 68/73mm, 28.99mm
Machined aluminum cups thread in to a standard threaded frame and feature Enduro 6806/29 ABEC-3 sealed bearings outboard of the BB shell
Includes spindle spacers and dust seals
Replacement derailleur hanger for Specialized Non-SCS system compatible frames. Do not confuse with Wheels Mfg DROPOUT-283, which is for Specialized SCS system compatible disc road frames.
