General description Jockey wheels are essential for making the movement and adjustment of trailers easier. This 48MM Heavy Duty Jockey Wheel features a durable plastic rim and a robust clamp, designed to securely hold jockey wheels and prop stands on the side of trailers. Technical specifications Tube Diameter: 48MM Tyre Width: 40MM Tyre Diameter: 200MM Height Range: 590MM - 820MM Bore Length: 58MM Clamp Length: 130MM Clamp Width: 55MM Distance Between Hole Centres: 104MM Hole Diameter: 10.5MM Finish: Zinc Plated Usage The jockey wheel is operated by turning the handle, which features rubber grips for easier use. Simply screw the handle clockwise or anti-clockwise to open or close the clamp. Other information Bright zinc plating aids in rust resistance, although the finish may have blemishes due to the zinc plating process.