Shimano UN55 BB Square Taper Bottom Bracket (68x107mm)
- A good quality bottom bracket for traditional chain sets
- Super-accurate bearings for smooth operation and improved durability
- Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting
- Lightweight hollow spindle
- Fast and easy installation without adjustment
BB SET SHI BB-UN55 68x107 ENG SEALED