Shimano BB-UN300 Square Taper Bottom Bracket (68-118mm) Size:Standard Harder and more wear resistant

Harder and more wear resistant than steel

Easy to transport around the seat post

Harmful chemicals are entirely avoided

Built-in inner anti-slip surface for maximum control

Smart notifications so you don’t miss out on what matters

Shimano BB-UN300 Square Taper Bottom Bracket (68-118mm) Size:Standard Harder and more wear resistantSpecifications A good quality bottom bracket for traditional chainsets Durable, hard wearing sealed cartridge bottom bracket with square tapered spindle fitting Better chainline stability with chain line stabilizer Maintenance free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life Fast and easy installation without adjustment Narrow body allows clearance for cable routing under the bottom bracket Crankarm fixing