With reliable SHIMANO bearings and seals, the SHIMANO ULTEGRA bottom bracket has a long service life.
MODEL NO | SM-BBR60 |
SERIES | ULTEGRA R8100 Series |
Average weight | 77 |
HOLLOWTECH II bottom bracket|Threaded bottom bracket type | |
Threaded bottom bracket shell width (mm)|68 | |
Threaded bottom bracket shell width (mm)|70 | |
Small ball bearing | |
