The Wheels Manufacturing BSA DUB External Cup Bottom Bracket is a premium upgrade for threaded frames, featuring precision-machined aluminum cups. It utilizes Enduro 6806 ABEC-3 sealed bearings positioned outboard of the shell to ensure smooth rotation and long-term durability for high-performance riding.

Designed for compatibility with 28.99mm SRAM DUB spindles, this unit fits standard 68mm and 73mm British (BSA) threaded frame interfaces. The kit comes complete with necessary spindle spacers and dust seals, providing a reliable, creak-free solution for both road and mountain bike applications.

Quick Facts

Feature	Specification
Frame Interface	BSA Threaded (British)
Spindle Diameter	28.99mm (SRAM DUB)
Bearings	Enduro ABEC-3 Sealed Outboard
Shell Width	68mm / 73mm
Weight	102g