BladeTech Bauer Lightspeed Edge BladesFeatures a patented technology is known as the "Flex Force Advantage". Thanks to the unique blade design, the front portion of the Bladetech replacement skate blades flex up into the holder of your skates, stores the vertical energy, and then releases it when you extend your stride. This innovation will increase your acceleration and help you skate up to an average of 5% faster! Not only do the Bladetech replacement skate blades increase your speed