The SPX 12 ROCKERFLEX  binding is all new! Featuring a smaller mounting zone and partially suspended heelpiece, allowing enhanced ski flex and control. Combined with reinforced Pivot toe, the SPX Rockerflex has one of the strongest coupling strengths (boot-to-binding interface) allowing  maximum power transmission, precision, and control. Featuring the longest elastic travel on the market, SPX bindings a substantial reduction in weight, reduced ramp angles for a more neutral, upright stance, and improved step-in/step-out functionality, the SPX offers less fatiguing, more user-friendly alpine performance. The race-specific Rockerflex bridge neutralises pressure between toe and heel, delivering the most natural ski flex. The SPX 12 ROCKERFLEX is designed for use with R21 WC and R21 Racing plates. Features: Din Range: 3.5 - 12 Brake: 80mm 45mm toe lateral elasticity MFX12 teflon glider Full drive toe piece SPX micro heel piece 27mm vertical heel elasticity 64-80mm Race brake 20mm length adjustment Designed for R21 WC &  R21 Racing Plates Colour: Blue RockerFlex SPX 12 Ski Binding - Blue