FULL DIAGONAL DIAGONAL HEEL FRP FREEFLEX PRO ABS SELECT YOUR TECHNOLOGY: FULL DIAGONAL FULL DIAGONAL The 180° release reacts in almost all fall directions. Protects ligaments and tendons – particularly in the knee. DIAGONAL HEEL DIAGONAL HEEL This binding heel has a release arc of 150°. Lower release pressure, particularly on forward twisting falls. FRP FRP Four rollers and glide inserts optimise flexibility and release characteristics of the binding. FREEFLEX PRO FREEFLEX PRO Freely-suspended heel section permits unrestricted ski flexing for optimum ski control. ABS ABS Virtually frictionless release of the ski boot from the binding guarantees the highest possible level of safety.