Trailers can be heavy and difficult to manage, but Ark Wheel Assembly make coupling easy. The Ark Wheel Boat Assembly is perfect for managing your trailer, and is rated up to 350kg. It is fitted with a 150mm solid rubber wheel you can easily position, attach or remove your trailer. The clamp is suitable for either bolting or welding onto your trailer. Ark Corporation have tried and tested their trailer parts, including bearing kits, galvanised hubs and trailer couplings. If you are looking for anything in trailer parts, you can't go past the high quality parts from Ark.