Park Tool Rotor Truing Gauge DT-3

Rotor Truing Gauge
Accurately measure the straightness of disc brake rotors while the wheel is mounted in a TS-2.2 or TS-2 Professional Wheel Truing Stand. The DT-3 features an infinitely adjustable, finely threaded indicator gauge. Compatible with any diameter brake rotor.

Bicycle disc brake rotors can warp due to extensive use, excessive heat, or impact. Even new disc rotors may not always be perfectly straight, leading to annoying pad rub and affecting performance.

The Park Tool DT-3 easily installs onto any Park Tool TS-2, TS-2.2, TS-2.3, TS-4, TS-4.2, or TS-4.3 Professional Wheel Truing Stand, providing an accurate measurement of the straightness of any disc brake rotor while the wheel is mounted in the stand. The DT-3 features an infinitely adjustable, finely threaded locking indicator gauge that will not damage the braking surface. Suitable for brake rotors of any size.