Increases the stability of the motorcycle by clamping the bottom and front of the tyre. Features a pivot clamp which locks the front wheel securely by the motorcycle weight. Suitable for fitting on trailers, in vans or to motorcycle lifts (requires suitable fixings). Fully adjustable to fit wheels Ø15"-21"(380-535mm). Minimum/Maximum Tyre Width: 50-130mm. Please note: Motorcycle must also be secured using tie down straps. Fittings not included.