XtremepowerUS Motorcycle Trailer Wheel Chock 1000 Lbs Motorcycle Stand Mount Heavy Duty Steel Construction Can be mounted to any flat surface with 4 bolts (not included) Features a fixed front wheel stop to accommodate front or rear tires from 14"-21" Dimensions of wheel chock:27" (L) x 17" (W) x 15-3/4" (H) Adjustable rear wheel cradle; Makes loading & securing a motorcycle a one-person job