Bottom Bracket and Spares

The quality and performance-oriented Shimano BB-UN300 cartridge bearing bottom bracket features a JIS square taper mount and is designed for frames with BSA thread and 68 mm shell width. A stabilizer ensures a constant chain line. Material:adapter: aluminium (left), aluminium...

Shimano BB-UN26 Square Taper bottom bracket inclusive fastening bolts for cranks with JIS Square Taper mounting such as Acera, Alivio und Deore. Suitable for frames with BSA thread (68mm).

The DURA-ACE groupset is the result of Shimano's ongoing passion for technology. This is reflected in every single component in the groupset. All components are joined together to work as one, reinforcing each other for unparalleled performance. This is how...

The SRAM DUB™ (Durable Unified Bottom Bracket) bottom bracket series has a simple job — connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, SRAM has engineered the DUB™ spindle...

With the BB-MT500-PA Hollowtech II Press Fit bottom bracket from Shimano, Hollowtech II cranks (24 mm axle) can be installed in MTB frames with 89 to 92 mm bottom bracket width. Better sealing and rotation, same as SM-BB52

SHIMANO - Bottom Bracket - Threaded - HOLLOWTECH II - 68/73 mm shell widthWith better sealing and rotation the SHIMANO DEORE bottom bracket delivers high driving efficiency. Better sealing and rotation performance

Press-Fit BB use 24 mm axle and bearings, because 24 mm diameter axle and bearings offers the best balance of rotating performance, stiffness, strength, sealing, weight, for press-Fit type as well. The all-new DEORE XT FC-M8000 cranks turn on an...

SM-BBR60 bottom bracket cups for the new Ultegra Hollowtech II crankset FC-6800. Suitable for frames with (B.C.1.37" x 24T) English thread. Features Outside positioned bearings for better weight distribution and more stability Bottom bracket has smaller, bearings than current model...

SHIMANO DEORE XT - Bottom Bracket - Threaded - HOLLOWTECH II - 68/73 mm shell widthFor SHIMANO 24mm MTB cranks, the SHIMANO DEORE XT bottom bracket uses high quality sealed bearings and is offered in threaded and pressfit options.

SM-BBR60 bottom bracket cups for the new Ultegra Hollowtech II crankset FC-6800. Suitable for frames with (B.C.1.37" x 24T) English thread. Features Outside positioned bearings for better weight distribution and more stability Bottom bracket has smaller, bearings than current model...

The Shimano BB-MT801 bottom bracket at the level of the Deore XT series features high-quality sealed bearings which noticeably extend the service life. The bearing cups with BSA thread are perfectly matched to the interaction with Hollowtech II cranksets.Material: bearing...

SRAM PressFit BB92 DUB Bottom Bracket Cups PF41-89.5/92-DUB - WideThe SRAM DUB™ (Durable Unified Bottom Bracket) bottom bracket series has a simple job — connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow...