1、The carbon fiber upgrade kit is made of high quality 3K carbon fiber material and accuracy CNC engraving to ensure installation accuracy, it has both rigidity and flexibility. 2、The upgraded frame installation kit can effectively improve the drift performance of the vehicle, and the drifting posture is more beautiful without worrying about being folded. 3、The bottom plate adopts the latest hollow two floor sinking design, which allows the wind to enter the body better when the car is running, lightweight and hard, with ultra high flexibility. 4、The carbon fiber upgrade kits' installation is super easy, remove the parts of the original car, and install the carbon fiber upgrade kit directly with the screws of the original car. 5、Perfectly adapted to the original car carbon fiber upgrade kit, super cost effective, you are worth starting, which is not only beautiful but also allows the battery to have a better heat dissipation effect. Item Type: Carbon Fiber Upgrade Kit Material: Carbon Fiber Color: Black Floor Length: Approx. 340mm/13.3in Front Shockproof Bracket Length: Approx. 56mm/2.2in The Length of the Rear Shockproof Floor: Approx. 107mm/4.2in Length of the Second Floor: Approx. 223mm/8.7in Battery Rack Length: Approx. 107mm/4.2in Thickness: Bottom Plate: Approx. 2.5mm/0.09in Front Shockproof Bracket: Approx. 3mm/0.11in Rear Shockproof Floor: Approx. 3mm/0.11in Second Floor: Approx. 2mm/0.07in Battery Rack: Approx. 2mm/0.07in Compatible: For 3RACING D5S Remote Control Car 1 x Bottom Plate 1 x Front Shockproof Bracket 1 x Rear Shockproof Floor 1 x Second Floor 1 x Battery Rack