BSA Square Taper Bottom Bracket
For 68mm Frame Shell
Built to last and engineered for performance, this BSA square taper bottom bracket is designed for standard 68mm frame shells. Available in multiple spindle lengths—103mm to 127.5mm—it fits a wide range of cranksets using the JIS standard, while maintaining compatibility with ISO. The CNC-machined steel shell delivers excellent strength and precision, absorbing minor frame tolerance inconsistencies to ensure a solid fit.
With dual high-quality sealed bearings, the bottom bracket offers smooth rotation and resistance to water, dust, and dirt. The integrated system enhances pedaling efficiency while protecting the bike frame from wear. It includes two durable hex screws and is suitable for MTB, road, commuter, and city bikes.
Whether you're upgrading or replacing, this bottom bracket provides durability, stability, and long-lasting performance for your rides.