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Shimano BB71 bottom bracket compatible with 86.5mm wide Press-Fit mounting systems on road or cyclocross bikes.
Compatible for the installation of a Hollowtech II compatible crank on an 86.5mm case width frame. The bearings have an internal diameter of 24mm for the best combination of rotational efficiency, rigidity, load capacity, tightness and weight.
This bottom bracket model is recommended for older 10-speed road cranks or cyclocross bikes.
Box Type | BB7100 |
Shaft Diameter | 86.5mm |
Bearings | Steel |