RC Shocks Adjustable Absorber Aluminum RC Shocks with 2 Sets of Springs hardness for TRX4M 1/18 RC Crawler Car Upgrade Parts (Titanium) Compatible with: The upgrades parts Suit for 1/18 Traxxas TRX4M Bronco/Defender RC Crawler Car. Quality Material:Our shocks are made of lightweight aluminum alloy material, which is durable and improves the performance of the RC crawlers, unique colors make your car special. Easy to Install: comes with accurate design, easy and convenient to install, direct replacement for the plastic one; These aluminum absorber damper are useful accessories for trx4m 1/18 crawler car. High Performance:This trx4m 1/18 upgrades Shock absorber adopts a long-stroke design, which increases the clearance between the vehicle chassis and the ground and effectively improves the climbing performance. Our Promise:If you are at all unsatisfied with the trx4m upgrades parts, please contact us and We will try our best to provide a satisfactory solution.