2X Shimano Bb-Un300 Square Bottom Brackets - 73 X 113mm

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. The narrow body allows clearance for cable routing under the bottom bracket. Pack Quantity: 2 Bottom Brackets