Park Tool DT-3i.2 Dial Indicator for DT-3 PSI SRAMSALE just a unique blend of

just a unique blend of renewable and readily biodegradable ingredients designed to minimise chain friction and wear

You won't find more high-tech in such a small format anywhere else

Open design clears mud/debris for consistent clip-in action

faster shifting under load

MagicZero: automatically checks and recalibrates your power meter as you ride - no manual calibration required

Park Tool DT-3i.2 Dial Indicator for DT-3 PSI SRAMSALE just a unique blend ofModern 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 the dial indicator allows the user to determine