Atom Savant Wheels will prove once again why Atom Wheels is at the top of their game. These wheels promise to be light, fast, and have just the grip you need. A new core design allows each wheel to weigh in at just 68 grams. A 5mm center urethane allows a fast roll, with a 7mm molded lip giving that grip in the turns. These are are great for rink, speed skating, and roller derby. They have a stellar feel to them and are made by one of the best roller skate wheel brands in the world — ATOM!