The 3RACING ST-004/RE red droop gauge is a straightforward instrument for setting and checking droop within a -4mm to 10mm window. It helps hobbyists and racers record repeatable measurements and refine suspension behaviour for specific track conditions. Its compact nature means it is easy to carry between the pits and the workbench.
Consistent droop values reduce variability in handling, letting you evaluate other changes like shocks or tyre choice with confidence. The ST-004/RE supports systematic testing so you can isolate the effect of each adjustment.
The red colour aids visibility and helps prevent the gauge being misplaced during busy practice sessions. It is a small but practical addition to any RC toolkit.
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