It’s dimensions in the upright position are 9” wide, 25” long and 15” high. Once folded, it becomes 9” wide, 25” long and 7” high. <br>The chock has all the same capabilities except it is designed for trailer use only. The chock will hold your motorcycle so securely, only one person is needed to load and unload any bike, and only two tie-down straps are required. <br>The adjustable cradle fits all bikes from dirt bikes and sportbikes, to cruisers and heavy touring bikes, and anything in between, up to 3,000 lbs. <br>It will work on front and rear tires from 14" to 22" and 80mm to 230mm. The locking mechanism effortlessly and securely supports your motorcycle in an upright position on all transportation platforms. <br>The chock has all the same capabilities except it is designed for trailer use only.