SHIMANO BB-UN300 Bottom Bracket - 68 x 110mm - BSA - Square Taper can be discounted Diamond pattern design looks powerful

Diamond pattern design looks powerful and improves overall grip

4mm for 1 1/8" stems and 22

A quick and inexpensive way to make a bike more comfortable

Bolt Pattern: 4-Bolt

and what may very likely be fresh horse droppings

SHIMANO BB-UN300 Bottom Bracket - 68 x 110mm - BSA - Square Taper can be discounted Diamond pattern design looks powerfulSHIMANO 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