Shimano Ultegra - Bottom Bracket - Threaded - HOLLOWTECH II - 68mm shell width. With reliable SHIMANO bearings and seals. A high quality bottom bracket with a long service life.
- Model Number: SM-BBR60
- Shimano 105 5800 Series
- Average weight 77g
- Threaded Hollowtech II bottom bracket
- Threaded bottom bracket shell width: 68mm
- Small ball bearing
