Shaft-hole dimensions and overall hub diameter can be configured in increments 471of 1mm and hub-shoulder height in 0.5-mm increments. The pulleys come in several aluminum grades with clear-anodize, ...
The fastener consists of two slots machined into the hub, one radially and one angularly, to create a transverse wedge that remains attached to the hub's solid portion on one side. The cantilevered ...