Fender Set 20 inch., stainless steel fender set for 20 inch. bikes, stainless, incl. fender struts for cruisers or similar bike types width: 80 mm (~3,15 inches) height: 26 mm (~1,02 inches) Inside diameter: approx. 515 mm (~20,27 inches) Outside diameter: approx. 565 mm (~22,24 inches) On chainside of the rear fender you will find a benting to give way to the chain.