Shimano BB-UN300 Square Taper bottom bracket for cranks with JIS Square Taper mounting. Suitable for frames with BSA thread 73 mm housing width.
Product features
- Model: BB-UN300
- BB-Type: Square Taper
- Threaded: BSA
- Threaded BB shell width: 73mm
Axle length (choose variant)
- 113mm
- 118mm
- 122.5mm (D-NL)
- 122.5mm (LL123)
Material
- Steel