With precision cartridge bearings and six total seals, the GXP Team bottom bracket provides smooth and reliable performance for SRAM and Truvativ Giga X Pipe spindle external bearing cranksets and weighs only 120g.

Compatible with BB30-specific frames and SRAM BB30-specific cranksets, this assembly includes steel cartridge bearings, spacers, seals and mounting circlips.

The 105 BB-5700 bearing cups offer excellent external seals and a protective interior sleeve for maximum bearing life and weigh only 91g.

The BB-5500 is compatible with Shimano's Octalink V1 22mm 8-spline system found on certain older Dura Ace®, Ultegra®, 105® and XTR® models. Available in spindle lengths for both double and triple cranksets, the shorter Double model weighs 250g.

Shimano's Ultegra BB-6700 bottom bracket cups are designed for use with the 6700 and 6750 cranksets.

These replacement steel bearings and seals bring your Ultra Torque crankset back to life.

Oversize cartridge bearings with six seals keep the Cru running smoothly for a long time. Hollow boron steel axles and alloy cups help keep it under 300g.

SRAM combines Ceramic Speed bearings, which are lighter, more durable and offer a higher degree of roundness, with their exceptional GutterSeal technology for a 115g Ceramic bottom bracket compatible with all their external bearing road and mountain cranksets.

A PF30 compatible bottom bracket with hyper-efficient ceramic bearings for a race-day advantage.

Maximum quality, lightness and exceptional smoothness are the hallmark of this system.

Bottom bracket cups without bearings for use with Campagnolo Ultra Torque cranksets. Pewter finish. English or Italian thread.

FSA has come to the rescue of PF30 users with a reliable and affordable Road Bottom Bracket.

At less than 55g, SRAM's BlackBox-developed Ceramic BB30 features exceptionally light and durable ceramic BB30 bottom bracket bearings and mounting hardware compatible with SRAM and Truvativ BB30 cranksets and BB30-specific frames.

Shimano reserves their highest quality bearings for the 7900-series bottom bracket cups, which also feature a low-drag seal system that balances minimal resistance with maximum protection for smoothing rolling and longer life.