The SRAM Truvativ BB-PS-A1 PowerSpline bottom bracket is a durable and reliable bottom bracket designed for MTB bicycles using Truvativ PowerSpline cranksets. Built with a strong chromoly steel spindle and 12-spline interface, it provides excellent durability, secure crank engagement, and efficient power transfer.

The robust cartridge design helps protect the internal components from dirt, dust, and moisture, ensuring smooth operation and long service life with minimal maintenance.

Compatible with bicycles featuring BSA threaded bottom bracket shells 68 mm and Truvativ PowerSpline MTB cranksets.

• 113 x 68 mm, BSA
• Heat treated chromoly shaft
• 12-tooth recording
• Sealed industrial bearings