Developed for e-bikes, works for standard bikes as well Designed for ebike weighing up to 80 pounds each 2bike hitch rack for 2" hitches Aluminum, quick connect ramp included for effortless loading Fender compatible Contact the front tire only, no frame or fork contact Aluminum wheel trays accommodate wheelbases from 34" to 55" Wheel sizes 20" to 29" and up to 4.5" wide 3 axis antiwobble hitch bolt is rock solid in the hitch 8mm security chain included provides better security than cables Fold flat against the car and down 30 degrees for hatch access Locks included, keyed alike, locks rack to car and bikes to rack 15" spacing between bikes allows plenty of clearance and no interference when rolling the bike up Third party online sales strictly prohibited by manufacturer