Especially designed XB4 back wheels. They do not just perfectly healthy but they are additionally ideal for high competition racing. The wheels are manufactured from extremely flexible material but are still durable against effects.
The side of the wheel is aerodynamic for maximum performance.
The unique options that come with the wheel are visible through the inside the reinforcement ribs are made to result in the tires as stable possible also to expel deformation.
The wheel design features a 14mm interior hex.
