SHIMANO BB-UN300 Bottom Bracket - 68 x 110mm - BSA - Square Taper can be discounted 4mm for 1 1/8" stems

4mm for 1 1/8" stems and 22

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

Intended for city/comfort/hybrid bicycles

Bit holder included

this towel is used by many professional riders during their warmup and indoor training sessions

SHIMANO BB-UN300 Bottom Bracket - 68 x 110mm - BSA - Square Taper can be discounted 4mm for 1 1/8" stemsSHIMANO 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