Carbon Fiber Chassis 2.5mm: 22X-4The TLR race team has found the Carbon Fibre Chassis to perform best when paired with the Carbon Front Steering to Gearbox Brace, and the Stiffezel Mud Guards to optimize the flex characteristics of the 22X 4. Key Features Weight is the best way to improve the performance of your 22X 4. It makes the buggy handle better, stay flatter, accelerate harder, brake quicker, land smoother, and just go flat out faster. The 22X 4 2. 5mm aluminium chassis weighs