Park Tool

Park Tool SBC-1 Spoke ruler, Cotter and Ball Bearing Gauge

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SKU: TL7066

This handy shop aid is ideal for sizing spokes, ball bearings and crank cotters.

  • Has both metric and fractional spoke length markings
  • For Spokes: Hang the head of the spoke in the oblong hole and read its length on the scale
  • For Crank Cotters and Ball Bearings: Works just like a gauge for drill bits
  • Anodized aluminum with embossed markings to allow easy reading and long life

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