If your looking for speed skate wheels you've come to the right place. These wheels are designed for speed skaters as well as fitness skaters. Speed skaters use wheels that are 80mm to 125mm in diameter. Outdoor speed skate wheels have a durometer of 83a to 87a. Indoor speed skate wheels have a durometer of 91a to 95a. You want to choose the hardest wheel you can but not so hard that the wheel starts to slip. As far as wheel diameter, go up until you experience ankle pronation and then back down one diameter.
