Weight 6.17 oz / 175 g per binding
Heel lift 26 mm

Where to Buy

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Manufacturer's Description

Race performance meets Touring function. An incredible tour de force of technological innovation and ultra lightweight engineering. The RT tech binding is protected with 4 individual patents to bring you a super light touring binding with toe release all wrapped up in an incredibly light 175 gram package.

Features: 3 position heel piece for touring mode, hardened steel heel pin, stainless steel springs, stainless steel cylindrical pins, ISMF approved

* Patent 1: Toe release adjustment system (Release Value (RV) comparable to 5-10 DIN)
* Patent 2: Heel has two release adjustments: Frontal 5-10 RV, Lateral 5-10 RV – this innovation allows us to make a smaller and more compact tower
* Patent 3: Integrated crampon attachments
* Patent 4: Heel pins track in a smooth releasing curved channel

Visit La Sportiva's RT page.

Retailers' Descriptions

Here's what other sites are saying:

If you are serious about mountaineering racing then every gram counts and the RSR Binding from La Sportiva is the clear choice. Podium finishes and fast times come with the program. A stripped down design using ultra-lightweight performance enhanced Ergal 7075 Aluminum, stainless steel and titanium meets ISMF regulations and is World Cup ready. Twelve gram mounting screw-set, weight saving high-strength exotic Ergal Aluminum and a four-hole pattern toe plate provide high-tech solutions for the most demanding connoisseurs of tech-lite ski binding equipment.

- CampSaver.com

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.

- Backcountry.com

Racing weight yet durable for everyday use, the La Sportiva RT Tech binding allows you to unleash your inner backcountry ski Energizer Bunny. Less weight, less work, more laps.

- OMCgear

Since you are into mountaineer racing, you know that every grams counts, so go with La Sportiva's RSR Binding. The stripped down design gives you ultra lightweight performance because of the perfect blend of aluminum, stainless steel, carbon fiber, and titanium. You get additional weight savings with the 5-gram mounting screw set and three hole heel-mounting plate, which also means these bindings do not have an adjustable release value or boot length adjustment range as they are mounted to your boot sole length.

- Mountain Gear