Tamiya Hop-Up Options 54549 TT-02 Aluminum Rear Upright 2.5These uprights for the TT 02 chassis allow you to alter the toe of your machine, a vital set up feature that governs steering response as well as adding stability. Attaching these uprights in place of the kit standard resin parts (A11) alters the toe angle from 0 degree at kit standard to 2. 5. Aluminum parts provide greater precision and strength, allowing you to keep the rear of the car under close control through corners. Parts are anodized in