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Shimano Authorized Retailer FIST Certified

Park Chainring Diameter Gauge

Availability:In Stock (35 Available)
Retail Price:$35.95
Savings:$3.59 (10%)
Your Price:$32.36

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AEBike Part Number: TL8722
Manufacturer:  Park
Manufacturer Part Number: CDG-2
UPC: 763477001719


The CDG-2 easily and accurately measures bolt circle diameter (BCD) in millimeters for a wide variety of four- and five-bolt chainring patterns. Made of anodized aluminum and permanently laser engraved, the tool centers itself in chainring holes, chainring bolts, or crank arm holes. The CDG-2 also includes a center-to-center distance scale and a handy reference chart listing additional mounting pattern measurements.
  • Made of anodized aluminum and permanently laser engraved, the tool centers itself in chainring holes, chainring bolts, or crank arm holes
  • The CDG-2 easily and accurately measures bolt circle diameter (BCD) in millimeters for a wide variety of four- and five-bolt chainring patterns
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