Shimano - Dura Ace BB-R9100 Bottom Bracket BSA

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).

NTN Corporation (Niwa, Tomoe, Nishizono) are one of the largest exporters of bearings and friction reducing products in Japan, their bearings are found in many items such as Cars, Motorbikes and Jet engines. NTN are an OEM supplier to Shimano,...

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