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Gear Review

5 5

Solid Performance

If you recognize the limitations of aluminum crampons, you will be happy with the performance of these Grivels. Just returned from Rainier, and I loved not carrying a heavy set to high camp. My route had no rock (I knew in advance there would be little to none). Turns out there was also very little hard ice, and none at much of an angle.
They performed flawlessly on this climb. The anti-balling plates did their thing - not a single curse or ice axe tap necessary. As stated by an earlier reviewer, these will now always find their way into my early season day pack as well.
One minor caution - I found the absolute limit of the adjustment range with a size 11 Koflach Arctis Expe. Boot sole length is almost 34 cm, and even with removing the quick adjust to gain the last bit of range I had to push hard and wiggle the boots into the bindings.

Responded on

Take note of jm's comment re size - despite the claim 'fit up to size 12 US' on the Grivel website, they don't come close to fitting my size 12 Asolo TPS520 boots they miss by ~3/4 inch.
There are extended extended flex bars available (190mm in place of the standard 160mm) at around $15/pr, but not everyone stocks them. If you take boots sized 11+ you will need them.

Responded on

Same thing with my size 12 Salomon X Ultra Mid II GTX Hiking Boots. The Air Tech Lights are the exact same length and width as my Grivel G-10's. However, the posts that hold the plastic piece that the strap attaches to are narrower on the Air Techs than they are on the Grivel G-10s. Thus the boot would not slide as far back and forward thus making them too small.

And as a further note, they do not make the extended flex bars in aluminum, you have to get them in steel which will make them heavier than they otherwise would be.