![]() Shimano BB-6500 - Ultegra The use of both ball and needle bearings to reduce flex for greater power transmission efficiency. Pipe billet BB spindle effectively effectively reduces weight and increases strength. The 8-spline interface between BB and crank arm forms a highly rigid connection. Hollow chromoly spindle. Specify English (68x 109.5), Italian (70x 109.5) for double, English (68x 118) for triple. 68mm.Weight: 221.5g. Item no longer available. Click Search to find alternatives... |
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