FOR BETTER CONTROL WHEN SKATING HARD FLEX Rottefella Flex Skate Hard is a hard flex for skate bindings. By changing to a hard flex the ski becomes more responsive, provides a firmer resistance and a quicker return of the ski. Can be advantageously used at high frequency, for example for sprinting.The flex is a flexible pad which provides bending resistance. It helps you control your skis and gives you better balance when skating. Rottefella MOVE, Xcelerator, QuickLock, Performance and Sport Screw bindings all come with an interchangeable medium flex. Choose from three different hardnesses depending on your weight and shoe size. We recommend you change your flex regularly as the rubber hardens over time. FOR BETTER CONTROL WHILE SKATE SKIING MEDIUM STOCK FLEX Rottefella Flex Skate Medium is a standard flex for skate bindings. The flex is a flexible pad which provides bending resistance. It helps you control your skis and gives you better balance when skating. Rottefella MOVE, Xcelerator, QuickLock, Performance and Sport Screw bindings all come with an interchangeable medium flex. Choose fromthree different hardnesses depending on your weight and shoe size. We recommend you change your flex regularly as the rubber hardens over time. FOR BETTER CONTROL WHILE SKATE SKIING SOFT FLEX Rottefella Flex Skate Soft is a soft flex for skate bindings. By changing to a soft flex the resistance reduces and it becomes easier to return the ski after the push. Especially light skiers with shorter skis will benefit from changing to a softer flex.The flex is a flexible pad which provides bending resistance. It helps you control your skis and gives you better balance when skating. Rottefella MOVE, Xcelerator, QuickLock, Performance and Sport Screw bindings all come with an interchangeable medium flex. Choose fromthree different hardnesses depending on your weight and shoe size. We recommend you change your flex regularly as the rubber hardens over time.