Carry up to four bicycles on road trips or camping guards with the allen four bike hitch mounted carrier. The hitch insert which fits a 2 inch receiver hitches is easy to operate and super secure for your bikes. Just attach it to your hitch, then use the tie down cradle system to individually secure and protect your bikes. The carry arms accommodates a wide range of frame sizes and designs, so you can carry your kid size mountain bike or adult road bike with equal confidence.