The COMP J 45 B76 is an easy-to-use, lightweight junior freeride binding with a .75-4.5 DIN range and 76mm brake. The Dual Action Jr toepiece combined with the lightweight Comp heel delivers maximum power transmission, shock absorption and an easy step-in design. The Comp J 45 B76 is designed to work with junior and adult boot soles and mounts to junior skis up to 76mm underfoot.