Shimano BB-UN300 Square Taper Bottom Bracket - 68x122mm BF Apparel The saddle's position can be

The saddle's position can be precisely adjusted via a secure two-screw clamp

Pocket (mesh)Better visibility thanks to the REFLECTIVE PRINTFixation buckleSpecificationsMeasures: 7

Available in 11-30T and 11-34T gear ranges

A new standard in external bearing performance

Shimano BB-UN300 Square Taper Bottom Bracket - 68x122mm BF Apparel The saddle's position can beThe 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. Specifications Adapter: aluminum (left), aluminum steel (right) Axle: steel Mfr Claimed Weight TBC