3RACING ST-004/RE Red Droop Gauge -4 to 10mm Compact  [ST-004/RE]

Accurate droop measurement for RC suspension

The 3RACING ST-004/RE in red is a hands-on tool for hobbyists who want to dial in suspension droop with confidence. The gauge covers an adjustable range from -4mm to 10mm, giving you the flexibility to test a variety of chassis setups. Its simple, sturdy form makes it ideal for routine checks and fast changes between runs.

How droop affects handling

Setting droop correctly helps control suspension travel and roll characteristics. Using a gauge like the 3RACING ST-004/RE lets you record consistent settings so your car reacts predictably through corners and under acceleration. This is useful when chasing lap time consistency or refining setup between heats.

High visibility red finish

The red finish makes the gauge easy to spot in a busy pit area or toolbox, so you can grab it and get back to setup work quickly. Its compact footprint also keeps it handy for trackside tweaks.