Product Details
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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 | ✔ |
