Enhance your LOSI HAMMER REY U4 ROCK RACER with these precision-engineered aluminium rear adjustable spring dampers from GPM, designed to reduce internal friction and better manage pressure through the suspension. They help preserve chassis balance in demanding driving and cornering. The dampers use a 1.8mm spring wire diameter and a strengthened shock shaft increased from 3.0mm to 4.0mm to improve longevity and reduce bending under load.
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