The AXIUM JR 70 B83 is an easy-to-use, lightweight high-performance junior binding with a 2-7 DIN range and 83mm 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 70 B83 is designed for use on skis up to 83mm underfoot and can be mounted flat or used with R20 Pro and I-Box Racing plates. Rec. Brake Width: 70-83mm