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Shimano BBUN300 - 68mm Bottom Bracket - 122.5mm
Shimano BBUN300 - 68mm Bottom Bracket - 122.5mm
£17.98 £23.99
SKU: 22149/122
- SHIMANO quality/performance cartridge bearing square bottom bracket
- Better chainline stability with chain line stabilizer
- 3 structures available
- Standard, E-type, chain case options
- Adapter material: Aluminum