i have msr 103 there 18's gunmetal 3 tires i had drags on 2 of the rims thats why theres only 3 tires drags are worn and i had an extra tire , asking 600 OBO there discontinued im pretty sure, tire size is 235,40,18 Z rated tires if you have any questions my email is darrenjdasilva1667@msn.com