Perforated Leather, Housing Material in aluminium 5mm Thick Twill Carbon Fiber & Shifter Paddle . 280mm Wheel. Grab ahold of the FSR wheel and have a real racing experience. Dual Clutch Magnetic Shifter Paddles The contactless photoelectric technology makes the paddles extremely reliable. Efficiently perform a dual clutch start in iRacing and F1 races. Avoid powertrain damage caused by shifting errors. Customized Quick Release Switch the FSR wheel in split seconds. The FSR wheel uses a quick-release system derived from the steering wheel systems of real race cars. Ensuring a stable connection between the wheel and the wheel base. 10 Luminous Programmable Mechanical Keys. There are 10 illuminated programmable mechanical keys. Clearly feel each keypress with a satisfying click. The keys have 8 different color options. Ergonomical Design The hand grips offer the driver a comfortable but firm grip. Allowing the driver to maintain perfect control, even against the strong force feedback of R21. From the thumb knobs to the shifter paddles, all buttons are ergonomically positioned for quick access. RGB Sequential Shifter Light Indicator. The sequential shifter has 7 adjustable colors. Drivers can customize the speed, the colors, and more.