Pro-Line Velocity wheels as with other wheels, special attention has gone into the design of the wheel. Lighter in weight then both the stock wheels of each kit, you will appreciate less rotating weight for increased acceleration. High-performance and durability are also integrated into the design making it tough enough for 3 plus horsepower 1:8 trucks. When you're ready to get serious with your 1:8 truck then check out Pro-Line's all-new Velocity 17mm wheel. Lighter than the stock wheels. Direct fit onto 17mm hexes. Stylish Pro-Line logo included. Made from durable nylon.