Park Tool SBC-1 Spoke, Bearing, and Cotter Gauge Cassons Durable aluminium crank arms designed

Durable aluminium crank arms designed for demanding trail conditions

The 2x Pro Shift kit is designed to work with nearly all frames and shifting systems

and barrel nut combination that has proven strong over the years

With FlexPoint Pro rear suspension and race-ready geometry

Contact surface material: plastic stainless steel

Park Tool SBC-1 Spoke, Bearing, and Cotter Gauge Cassons Durable aluminium crank arms designedThis handy shop aid has remained more or less unchanged since we introduced it in the 1970s, and is still relevant today. To use, just engage the end of the J bend or straight pull spoke in the oblong hole and read its length on the scale. With both metric and SAE length markings, The SBC 1 is also handy as a general purpose ruler. Features gauge holes for quickly and easily determining the size of most common ball bearings and crank cotters. Anodized