Serpent X20 low-friction belt
Available now from Serpent is a white colour low-friction drivetrain belt for the X20 Medium mid-motor touring car. Using the belt front and rear will reduce natural drivetrain drag while maximising drivetrain efficiency for lower motor temps and increased acceleration when running in stock motor classes. The belt comes separately and is usable in the front and rear of the car.
Source: Serpent [serpent.com]