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Bb-un300 Bottom Bracket 68x115mm D-h W/ Fixing Bolts
BB-UN300
SHIMANO - Square Type Bottom Bracket - MTB - Standard Structure
Square Type Bottom Bracket
- 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
- Choosing a selection results in a full page refresh.