SHIMANO 105 - Bottom Bracket - Threaded - HOLLOWTECH II - 68/70 mm shell width
With reliable SHIMANO bearings and seals, the SHIMANO ULTEGRA bottom bracket has a long service life.
TECHNOLOGIES
PRODUCT SPECIFICATIONS
MODEL NO | SM-BBR60 |
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SERIES | GRX DI2 |
Average weight | 77 |
Threaded BB shell width_70mm | ✔ |
HOLLOWTECH II bottom bracket_Threaded bottom bracket type | ✔ |
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Small ball bearing | ✔ |
Threaded BB shell width_68mm | ✔ |