The additional advantage of the R170 lies in the heel piece that is mounted on a 20mm plate giving the possibility to adjust to your different boots (up to about 3 sizes). It also has the ability to pivot allowing you to be flat(rotation of 90 degrees) or to have a rise of 36mm.The R170 This binding is perfect for your races, ski tours and deep snow. Easy-to-use and ultra performant the locking lever was specifically studied for good control.With 170grams per foot and lateral and frontal release of 8 you will ski light and safe. The R170 toe piece is also equipped with the ?TOO FACILE? technology allowing quick step-in and proximity of the toe pins. Also compatible with numerous accessories such as: crampon slots, PLUM crampons, wider plates, titanium forks .. Bindings conform to ISMF standards. Guaranteed 3 years.Specifications:- Adjustment Baseplates 20 mm- Heel Risers 1 heel riser height (38 mm)- Forward release security (DIN) Forward release equal to 8, not adjustable- Lateral release safety (DIN) Lateral release equal to 8, not adjustable- Compatible removable crampon holder supports included (not the crampons!)