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Shimano BB-UN300 Square Taper BB
Simple and reliable square taper bottom bracket.
| * To check in store availability: |
| Select variant below then view stock | here |
- Simple and reliable square taper bottom bracket
- Replaces both BB-UN26 and BB-UN55
- Sealed cartridge bearings
- Cr-Mo axle
- For bicycles equipped with a chain case, select BB-UN300-K
- For E-type front derailleur compatibility, choose BB-UN300-E
- Fixing bolts not included; Shimano FC-E6000 bolts suggested
