
Bottom Bracket Shimano BB-UN300 BSA 122.5/68mm Square Taper Black
EBBUN300B23X
Shimano BSA BB-UN300 Square Taper Bottom Bracket 122.5/68 MM
The Shimano BB-UN300 bottom bracket with square taper system is designed to provide high quality and performance in drivetrains. It includes sealed cartridge bearings for smooth and long-lasting rotation, and a chainline stabilizer that improves alignment and drivetrain stability.
- Main Specifications:
- Axle type: Square taper (LL123)
- Length: 122.5 mm
- Bottom bracket shell width: 68 mm
- Bearings: Sealed cartridge, Shimano quality
- Chainline stabilizer for better performance
- Adapter material: Aluminum
- Available versions: standard, type E, option with chain cover
Brand: Shimano
Pairs well with
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Individuelle Beratung
2 Jahre Garantie
Reibungslose Abwicklung von Rücksendungen

Bottom Bracket Shimano BB-UN300 BSA 122.5/68mm Square Taper Black
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Product details
General
- Year
- 2026
- Gender
- Unisex
- Family
- Componentes
*Images are for illustrative purposes only and may differ from the final product. Colours may vary depending on the screen used.
*Please note that technical specifications may be changed without prior notice by the manufacturer.

