Park Tool DCA-1 Digital Caliper Accessory Staff-Picks this paddle delivers the ultimate

this paddle delivers the ultimate in responsiveness and performance

Cassette Cogs: choose

Available in 28T through 36T for compatibility with all DEORE XT drivetrain

Gearing: 10-52t

Park Tool DCA-1 Digital Caliper Accessory Staff-Picks this paddle delivers the ultimateDisc 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 2) 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 center distances of bolt holes for