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The SHIMANO UN26 bottom bracket offers smooth rotation for square taper cranks.
The SHIMANO UN26 bottom bracket offers smooth rotation for square taper cranks.
The quality and performance-oriented Shimano BB-UN300-E 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. Suitable for the use of E-Type front derailleurs.
With better sealing and rotation the SHIMANO DEORE bottom bracket delivers high driving efficiency.