Park Tool - SBC-1 - Spoke, Bearing & Cotter Gauge Stock Item:Park Tool Spoke, Bearing, and Cotter Gauge One-inch base to fit the

One-inch base to fit the end of SR-1

This makes it suitable for hubs with 12 mm thru-axle or quick release

This is something that MTB has been all about since the beginning

The RZ3 improves upon the previous generation's aero frame bottle design

Park Tool - SBC-1 - Spoke, Bearing & Cotter Gauge Stock Item:Park Tool Spoke, Bearing, and Cotter Gauge One-inch base to fit thePARK TOOL SBC 1 SPOKE, BEARING & COTTER GAUGE This handy shop aid is ideal for sizing spokes, ball bearings and crank cotters. To use, just hang the head of the spoke in the oblong hole and read its length on the scale. For crank cotters and ball bearings, it works just like a gauge for drill bits. Spoke lengths are in both metric and fractional markings. Made of anodised aluminium with embossed markings to allow easy reading and long life.