This is a replacement O.S. Speed 21XZ-B Spec II Crankshaft. This crank has been lightened, DLC coated, tungsten slugged and silicone ramped for improved performance.
This is a replacement O.S. Speed 21XZ-B Spec II Crankshaft. This crank has been lightened, DLC coated, tungsten slugged and silicone ramped for improved performance.
Reviews
There are no reviews yet.