Yes, the Race Face ISIS SRX bottom bracket is designed to be compatible with standard BSA threaded shells. It is specifically engineered to fit both 68 mm and 73 mm shell widths, making it an excellent, durable choice for restoring or maintaining classic bike builds and commuters that utilize the traditional ISIS interface.

The ISIS SRX Bottom Bracket arrives as a standalone unit designed to fit directly into your existing BSA-threaded shell. Please note that the package includes the bottom bracket unit itself; you will use your existing frame hardware and standard installation tools to secure it in place.

Yes, the Race Face ISIS SRX is designed to provide reliable performance for riders maintaining traditional bike setups. Its construction focuses on longevity and smooth operation through the following features:

• Sealed Cartridge Design: The unit utilizes a sealed cartridge bearing assembly, which helps protect the internal components from contaminants and moisture.
• 64-Ball Bearing Arrangement: The single-row, full-ball bearing configuration contains 64 balls, engineered to offer a smooth and robust rotational feel.
• Reliable Replacement: It is a high-quality option specifically intended for those who wish to keep their older ISIS-interface cranksets running smoothly rather than upgrading to modern outboard-bearing systems.

Yes, the ISIS SRX Bottom Bracket is built for longevity and utilizes a durable, high-quality bearing system.

Key features of the bearing system:

• Design: Single-row, full ball, sealed cartridge.
• Bearing Count: Each complete bottom bracket unit incorporates 64 individual ball bearings for exceptionally smooth and reliable rotational performance.

This robust design helps ensure the lifespan and dependability needed for commuter or retrofitted bikes.

Absolutely. It features a high-performance sealed cartridge design containing 64 individual ball bearings. This specific configuration ensures exceptionally smooth and efficient rotation, providing a reliable foundation for your drivetrain compared to standard entry-level options.

Absolutely! The ISIS SRX is specifically designed for older ISIS interface cranksets. It’s an excellent solution for riders who prefer not to upgrade to modern outboard bearing systems and want to maintain their legacy setups.