Park Tool Dial Indicator For DT-3 (DT-3I.2) BSS-002739 Features 9 mm and 10

Features 9 mm and 10 mm openings

Unique two-piece

A Lightweight alloy frame and an upright riding position blends road bike efficiency with the ergonomic needs of the everyday commuter

Aluminum Barrel: Tough aluminum barrel for a lifetime of use

on or off road

Park Tool Dial Indicator For DT-3 (DT-3I.2) BSS-002739 Features 9 mm and 10About Park Tool Dial Indicator For DT 3 (DT 3I. 2) Modern disc brake systems often have extremely narrow tolerances requiring perfectly straight rotors for optimal performance and freedom from rubbing and noise. The DT 3i. 2 bolts directly to the DT 3 Rotor Truing Gauge and magnifies even the smallest of rotor deviations, displaying them on an easy to read dial indicator capable of displaying measurements as small as 0. 01 millimeter. The readout from