SB's fit fine. Just bought this Treyx from a local guy who's job transfered him to Singapore for two years. He didn't want to leave it sitting for all that time so he sold it to me. He had just bought the SB's and had not run them yet. They came with the purchase. I do not run in heavy mudpits so I am opting to sell the SB's for some Swamp Lites with a less agressive tread. Tires are absolutely brand new with the exception of they have been mounted. I can send you pictures if your interested.