As a trailer chock it easily snaps on and off all transport platforms; attaching and detaching the unit takes only a few seconds Patented locking mechanism effortlessly and securely supports motorcycle in an upright position on all transport platforms Fully adjustable wheel locking system that accommodates front and rear wheel sizes from 15"-22" (80 mm - 220 mm) Makes tying down a motorcycle a simple and easy task for one person Folds down for easy storage and weighs just over 26 lb (EU: 11,79 kg) Dimensions folded are 25" L x 9" W x 7" H (EU: 63,5 cm L x 22,86 cm W x 17,78 cm H). STAND TRAILER CHOCK