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Designed to be the world's lightest ISMF-approved race binder, the La Sportiva RSR Binding was built with supreme attention to detail and an attitude that believes that every gram matters. The ultralight Ergal aluminum chassis, stainless-steel springs, carbon-fiber accents, and titanium hardware and pins keeps the weight to the absolute minimum, and an intelligent design means that the system is compatible with with La Sportiva's RSR Adjustment Plate (sold separately) so your set-up can be used with a variety of boot sizes.

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NIce...

  • Familiarity: I've put it through the wringer

Nice binding and certainly gives the Low Tech Race soem competition. 1/2oz heavier here and the 4 screw rear mount isn't as impressive as I first might have thought.

RSR has four holes in the heel piece

    The model in the picture is an older version. New version has four holes in the heelpiece. Be fast!

    Besides -3oz and +$200, what do I trade off when going with these vs. the Dynafit TLT Speed Superlite Binding?

    Unanswered Question

    I'm thinking about using these bindings for every day bc touring on some wide skis but I'm worried that the heal will release too easily. I know that the binding doesn't have a DIN setting but any idea as to what a comparable DIN setting is for the heal? Would the DIN be in the range of (8-10). I used the RT binding in the past on a ski that was 138mm under foot so I was thinking maybe this binding could do the same on a ski 130mm under foot.

    Is the toe similar to the Dynafit Low Tech,...

    Is the toe similar to the Dynafit Low Tech, whereas it is always in lock position (no ski mode). If so, is the general consensus a 12-16 din rating ?

    Any idea whether this binding is lighter...

    Any idea whether this binding is lighter than the Dynafit Low Tech (http://www.backcountry.com/dynafit-low-tech-race-binding)? Are there other tradeoffs between the two?