For specific use with BB86 which is mostly GIANT and
some TREK BB'S. Outer BB shell diameter is 41mm and with this you can
use 30mm Axle systems. Ideal for ROTOR 3D+ cranks.
This BB can be used with ROTOR 3D30, 3D+ and ROTOR POWER CRANKS
SKU:C04-020-01010B-0
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