I've had sleds with both. Now all my sleds are stud free. I got sick of ruining my driveway, garage floor and traction mats in the trailer. I did miss some of the traction i had with my studded nytro so I replaced the small SXR tracks with 1.25 inch ripsaw's and have never looked back. The 136 inch vector gives me not only the added traction that I feel is equal to the nytro, but added comfort as well.