Xray has introduced a ‘soft’ version of their CFF Carbon Fibre Fusion Upper Arms for the X4 touring car.  Machined and molded from thinner premium-grade graphite and softer composite materials. The arms are super lightweight and very compact. Soft arms generate more mechanical grip on the car and improve side traction. Recommended for very low … Continue reading Xray X4 CFF Carbon Fibre Fusion Upper Arms – Soft