Ultra light carbon fiber construction, 4 paddles module, backlit buttons. QR50 quick release included Specifcations: 300mm diameter Carbon fiber Silicon grip 4-paddles aluminium module (2 magnetic shifters, Dual clutch) 10 configurable backlit buttons (flash mod) 2 Thumb Rotary Encoders made of aluminum 4 Rotary Encoders Stickers to customise buttons