SHIMANO BB-UN300 Bottom Bracket - 68 x 110mm - BSA - Square Taper can be discounted 4cm) can accommodate most road

4cm) can accommodate most road

Bit holder included

5mm) with offset padding towards the rider for improved comfort

Weather-resistant softshell fabric on the outside defends against wind and water

A quick and inexpensive way to make a bike more comfortable

SHIMANO BB-UN300 Bottom Bracket - 68 x 110mm - BSA - Square Taper can be discounted 4cm) can accommodate most roadSHIMANO Square Type Bottom Bracket MTB Standard Structure Square Type Bottom Bracket SHIMANO quality performance cartridge bearing square bottom bracket Better chainline stability with chain line stabilizer 3 structures available Standard, E type, chain case options Adapter material: Aluminum