Park Tool Chainring Diameter Gauge

Park Tool

34.95 
SKU: TAH2PK8200
description:  chainring diameter gauge, DCG-2

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  • Made of anodized aluminum and permanently laser engraved
  • Easily measures BCD for a wide variety of common four and five bolt chainring patterns
  • Includes a center to center (C-C) measuring scale and reference chart for determining the BCD for less common chainring patterns