For hobbyists aiming to sharpen their Xray T4 performance, the RADTEC Xray T4 Progressive Shock System Set (XR-10029) is a practical upgrade. The kit is intended to improve suspension feel and control for faster lap times and more confidence on technical layouts.
The RADTEC Progressive Shock System is engineered to tune damping across the travel so the car reacts more predictably. The progressive valving smooths small bumps while firming up under heavier loads, helping maintain traction through corners and when exiting tight turns.
Made specifically for the Xray T4 line, this shock system integrates cleanly with stock components. Installation uses standard RC tools and can be completed by most club racers and hobbyists without major chassis changes.
Progressive shocks deliver variable damping that adapts as suspension compresses, providing a compromise between supple response and firm support. This makes them a good choice for drivers who want consistent handling during aggressive driving and smoother feedback on mixed surfaces.
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