SHIMANO BB-UN300 Bottom Bracket 68 x 110mm

Description

Shimano BB-UN300 Bottom Bracket – BSA 68mm – JIS Square Taper – 110mm

The high-quality and high-performance Shimano BB-UN300 cartridge bottom bracket comes with a JIS 4-sided mount and is suitable for frames with BSA thread and 68 mm housing width. A stabilizer ensures a constant chainline.
Material:
Adapter: aluminum (left), aluminum / steel (right).

Axle: steel