Shimano BB-UN300K Bottom Bracket Square Taper Sealed Cartridge reclaimed-lighting Weight reduction compared with current

Weight reduction compared with current Sylvan pedal

and 25mm rise

Tubeless Ready (TR): Run lower pressures for better traction

and low rolling resistance

Shimano BB-UN300K Bottom Bracket Square Taper Sealed Cartridge reclaimed-lighting Weight reduction compared with currentA good quality bottom bracket for traditional chainsets Super accurate bearings for smooth operation and improved durability Durable, hard wearing sealed cartridge bottom bracket with square tapered spindle fitting 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