An easy-to-use digital caliper accessory to accurately measure disc brake rotor wear.
An accessory built for accuracy DCA-1 Digital Caliper Accessory installs onto most digital, dial, or vernier calipers (including the Park Tool DC-1). It features protruding contact points to accurately measure the center of a disc brake rotor's braking surface by bypassing the unworn edge. The conical end points of the DCA-1 can also be used to measure center-to-center distances of bolt holes for calculating bolt circle diameter (BCD) of chainrings and cranks. Product details Compatible with most standard vernier, dial, and digital caliper designs Ensures accurate measurement of disc brake rotor wear Does not include calipers
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