Titan Bulldog Motorcycle Wheel Chock, for Transportation or Floor Stand - Black and Orange Self Supporting Motorcycle Wheel Chock - Use as a Transportation Device or as a Floor Stand. Foot print dimensions - 28" long x 21" wide x 13-1/2" high. Max wheel diameter - 23", min diameter - 13". Tire width range - 70mm - 140mm. Wide wheel stop is available for tires up to 160mm wide. Warranty - 2 year parts. *** For quick detach trailer mounting plate please search - Titan