Μεσαία τριβή Shimano BB-UN 300K με μήκος άξονα 122.5 (Καρέ) για τύπο BSA και πλάτος πλαισίου 68mm.

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.

Material:

adapter: aluminium (left), aluminium / steel (right)

axle: steel