Take your conditioning and strength training to the next level with the SMAI All-Terrain Resistance Sled—a powerhouse push and pull sled like no other. Unlike traditional sleds, this innovative design uses resistance technology to deliver smooth, consistent resistance without relying solely on added weight. With the addition of all-terrain tyres, your gym sled can now be used anywhere. Grass, dirt, concrete, gym tiles or turf tracks With dual resistance control systems, each side of the sled can