Especially created XB4 front wheels. They don't just perfectly healthy but they are also perfect for high competition race. The wheels are made from really flexible material but remain durable against effects.
the medial side regarding the wheel is aerodynamic for maximum performance.
The special features of the wheel are visible from inside the reinforcement ribs are made to result in the wheels as stable as you can and to expel deformation.
The wheel design features a 14mm internal hex.
