Park Tool - DCA-1 - Digital Caliper Accessory S3-Size-30.9x400mm 95 oz volume with rounded

95 oz volume with rounded edges offers a bigger frame compatibility

High wear resistance for longevity

Does not work with a Revoshift Shifter

With this shape

Angel™ GT Urban Size 42-622 / Weight 895gm / TPI 60 / HyperBELT / Compound PRO COMPOUND URBAN

Park Tool - DCA-1 - Digital Caliper Accessory S3-Size-30.9x400mm 95 oz volume with roundedPARK TOOL DCA 1 DIGITAL CALIPER ACCESSORY Disc brake rotors should be regularly checked for wear to ensure safety and performance. The DCA 1 installs onto most digital, dial, or vernier calipers (including the Park Tool DC 1) and features protruding contact points that allow measurement of the center of the braking surface, bypassing the unworn edge to ensure an accurate measurement. The conical end points of the DCA 1 can be used to measure center to