This is an optional Hudy 70 to 140mm Droop Gauge, a professional droop gauge to check the drop of the suspension downtravel in range 70-140mm. Great for quick and instant droop check directly on ready-to-race car with no other set-up equipment needed.

The gauge is inserted on the nut that holds the shock on the shock tower and using the ruler on the gauge measure the distance to the center of the screw that mounts the shock absorber to the suspension arm. To adjust the droop adjust the downstop screws as needed or adjust the length of the shock absorbers. The gauge has scale engraved on both sides for quick check on both left and right side. It has been CNC-machined from premium-quality aluminum, black coated and laser engraved with a precision scale. Compatible with all 1/8 and 1/10 off-road cars. A must have tool for every serious racer.