Shimano BB-UN300 Bottom Bracket Square Taper Sealed Cartridge

• 68 XL118
• 68 MM110
• 73 LL113

A 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