The RDRP Brass RF Suspension Mount for the Xray XB2 series of cars is a direct replacement for the kit's lightweight part. It adds valuable weight especially when running in low-traction conditions or when the track is getting bumpier. Machined from black-coated brass and sporting gold-colour chamfered edges the part weighs in at 12g which shifts the weight bias further back for improved traction with the position in front of the rear axle greatly reducing the unwanted pendulum effect rear mounted weights can create.