WALGUN BSA Threaded Bottom Bracket

Precision-Fit, Straightforward Install
Threaded these into a couple of customer bikes recently — went in clean with no shimming needed, and the bearings spin smooth straight out of the box.

A Reliable Threaded BB Upgrade

BSA threaded · Available in 24mm, 29mm (DUB) and 30mm spindle sizes · Aluminum alloy shell

🔩 BSA Threaded Standard

Threads directly into standard BSA shells — no press-fit tools or bearing presses required.

⚙️ Three Spindle Sizes

Available in BSA24, BSA29 (DUB) and BSA30 to match your crankset spindle diameter — double-check compatibility before ordering.

🏔️ Built for MTB and Road

Aluminum alloy construction suited to both mountain and road bike drivetrains.

Specifications

A dependable swap for a crankset that's starting to feel rough.