The highest quality NR23 motorcycle wheel chock has the best design for many different applications with a fixed wheel cradle and adjustable front stop. The NR23 - "EasyChock", essentially secures your wheel into the chock once you drive a bike into it. This allows the motorcycle to be held in the upright/vertical position allowing you to stra it down with one person without worrying...The highest quality NR23 motorcycle wheel chock has the best design for many di...