Shop Online- Free Shipping on Orders over $50 Join our email list for events, specials and news Find Us on Facebook Follow Us on Twitter Follow Us on Instagram Follow Us on Pintrest
Cycle Loft. Since 1976
2 Biggest Brands in 1 Store
Bicycle Satisfaction Guarantee
Local Bike Shop. In-Store & Online
Open 7 Days a Week
M-F 10-7 SAT 10-6 SUN 12-5
Contact Us | Email Signup

43 Middlesex Turnpike
Burlington, MA


Shop Online Anytime
> Bicycling Catalog > Accessories > Tools/Maintenance > Tools > Park Tool > Chainring Diameter Gauge
Park Tool Chainring Diameter Gauge

Park Tool Chainring Diameter Gauge

Model # (CDG-2)
Product Rating
0.0 stars
 (0 Reviews)
Availability: In Warehouse (please allow 3-5 days)

Product Details

Park Tool Chainring Diameter Gauge

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.

  • Part Numbers close open

    Barcode Manufacturer's Part Number Vendor Number
    00763477001719 CDG-2 TRK-515698
    Back to top
  • Consumer Reviews close open


    by PowerReviews
43 Middlesex Turnpike 
Burlington, MA 01803
(781) 272-0870
Contact Us

(Mailing Address)

Weekdays 10-7
Saturday 10-6
Sunday 12-5


Cycle Loft is a proud supporter of several local, regional and national cycling advocacy organizations. These organizations are tirelessly helping to improve the quality of cycling opportunities and the health of your independent bicycle dealership network. We encourage you to visit their sites to learn more.

Eastern Fat Tire Association
International Mountain Bike Association
League of American Bicyclists
Lexington Farmers’ Market
Light Electric Vehicle Association

National Bicycle Dealers Association
New England Mountain Bike Association
People for Bikes
USA Cycling
About Us    Location      Shop Online      Bike Fitting     Bike Repair     Employment     Email Sign-Up     Privacy Policy