Designed for committed alpine ski racers, the SPX 15 Rockerace is an elite-level competition binding. The strongest retention and longest elastic travel on the market deliver instant power transfer and precise control with superior shock absorption for reduced pre-release. Its short mounting zone and semi-suspended heel enhance ski flex for more precision and control. It's only compatible with R22-plate-equipped skis and ISO 5355 A boots. Features: Din Range: 3,5 - 12 Brake Width: 80mm Weight: 2.26kg (pair) Long Elastic Travel Rolling Control Multi Directional Release Short Mounting Zone Full Action Toe Piece Colour: Hot Red SPX 12 Rockerace Race Ski Binding - Hot Red