Ideal for stock racing, these high performance machined POM spur gears for all Exotek slipper eliminator hubs are ultra-light weight and exceptionally stiff. These spur gears are 100% machined POM to insure true roundness, with extra interior machining to reduce overall weight for reduced rotating mass. The result is a gear that is stiffer and truer than molded nylon spur gears. Available in 78T, 78T, 69T and 66T.