Park Tool SBC-1 Gauge

This handy shopping aid is ideal for sizing spokes, ball bearings and crank keys. To use, simply hang the spoke head in the slotted hole and read the length on the scale. For crank keys and ball bearings, it works like a gauge for drills.

Features:

• Has both metric and fractional spoke length markings
• Anodised aluminium with embossed markings for easy reading and long life