Park tool DCA-1 Digital Caliper accessory

Enhance your bike maintenance with the Park Tool DCA-1. This accessory transforms your calipers for hyper-accurate disc brake rotor wear measurements, bypassing worn outer edges to read true braking surface thickness. It also simplifies Bolt Circle Diameter (BCD) calculations by precisely measuring chainring bolt hole distances. Essential for safety and performance, the DCA-1 ensures confident servicing of critical components