Adjusts to accommodate most motorcycles from scooters to cruisers with 15" to 21" wheels.Multi-fit with an adjustable wheel ramp and backstopAccepts tire widths from 90mm to 200mmUse for front or rear wheelBolt to trailer or transport vehicles floorsNarrow 8 chassis allows fitment on "rail" type trailersEasily adjusts with no tools neededFour anchor bolts and all hardware included for mountingMade of galvanized steel