The wheels/tires for the Team Associated B44 will fit the Tornado.. (It's their 4wd buggy) The rear wheels/tires for theB4 (2wd) will also fit.. The rears arethe same on the B4 and B44.. (Fronts on the 2wd B4 are thinner than the 4wd B44) Check somewhere like Tower Hobby for the B44 stuff..Search for "B44 wheels or B44 Tires" You should be able to find plenty of options on there.. If ya want to get realRedcat wheels/tire replacements check out URCHobby.com Kurt will take care of ya!