The AXIUM JR PRO 70 B73 is an easy-to-use, lightweight high-performance junior race binding with a 2-7 DIN range and 73mm brake. The Dual Action toepiece combined with the lightweight Axium heel delivers maximum power transmission, shock absorption and an easy step-in design. The Axium Jr Pro 70 B73 includes a 10mm lifter for increased leverage and easier turn initiation and is designed for use on flat-skis up to 73mm underfoot. Rec. Brake Width: 64-73mm.