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Dynafit Cho Oyu Ski

Brand: Dynafit
Model: Cho Oyu
Shipping: FREE*
Availability: In Stock
Price: $799.95
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Cho Oyu means "Turquoise Goddess" in Tibetan. However, the sixth tallest mountain in the world, named Cho Oyu on the Tibet / Nepal border, is mostly white with snow. Dynafit gets close to the proper translation with the Cho Oyu ski, a blue ski designed for expeditions with deep white snow. The mid-fat ski has a high-altitude weight coupled with a rockered, 125mm-wide, floaty tip. Included for free are features to help handle other, less-than-ideal conditions you might find out there:

  • Triple-radius sidecut is longest in front for easy turn initiation, shortest under foot for grip on ice, and medium-est in the tail for reliable steering.
  • Lively rebound provided by underfoot micro-sidewalls which are shorter than usual for weight savings yet extend deep into the core to reduce blowouts.
  • Special flex-tip shaves off some wood and replaces it with carbon for a lightweight vibration dampening system, helping you keep the ski in check.
  • A 420mm [182cm] rockered tip helps stay on top of mank and provides some lift in pow so you're less likely to go head-over-heels.
  • Carbon speed-stringers run the length of the ski to provide surprising stiffness and rigidity for a lightweight touring ski.
  • Tail is gently raised for smooth turns and has a pintail shape for quick pack loop insertion.
  • Core is made with Paulownia wood, which has a great blend of low weight and liveliness.
Lengths (cm) 166, 174, 182, 191
-> ounces
1090g [166]
1170g [174]
1240g [182]
1280g [191]
Weight (pair) 2180g [166]
2340g [174]
2480g [182]
2560g [191]
Dimensions 124-87-110 [166]
125-88-111 [174]
125-89-111 [182]
126-90-111 [191]
Turn Radius 15-10-13m [166]
16-12-15m [174]
18-14-17m [182]
20-16-19m [191]
Skin Fix Tip notch, flat pintails
Specs Verified Yes
Profile 410-430mm tip rocker, 160mm tail rocker
Shape Triple-radius sidecut, fish tip, pintail
Construction Micro-sidewall, carbon stringers, sintered graphite base
Core Paulownia wood
Skimo Co Says
Usage Everyday touring and not-so-everyday expeditions.
Notes Flex tip absorbs shock, pintail eases pack loop insertion.
Bottom Line Possible one ski quiver with a preference towards soft snow.
by Jim (used product regularly)
Love these skis. The performance to weight ratio is outstanding. I have the 182cm for all-around touring but would go shorter for technical stuff.
The edge hold is tremendous; they carve really well, and the rocker is great for powder and variable snow. Turn initiation is very easy. The shorter turning radius of these skis is great for negotiating trees and tight spots without having to swivel the skis around all the time.
Despite their light weight, I find them stable at speed, and they don't deflect as much as I'd expect. They do chatter a bit when carving aggressively at high speeds on hard snow/ice, but I've only had this occur at the resort. In the backcountry, I'm not blitzing rock hard snow.
About the only down side of the ski shape is that the large sidecut can make it a bit hooky in difficult snow conditions, like mank or crust. This is mostly an issue in winter when there hasn't been fresh snow recently. In spring, with a consolidated base, they don't sink far enough for it to be a problem.
I have them mounted with Dynafit Speed Superlite C-One bindings, which makes for a light but very robust combo.
Comment on this review:

Question from Dan
Has anyone skied the Cho Oyu and the Broad Peak? I'm definitely in the market for a thinner touring ski suited for higher alpine and firmer snow descents. Should I go with the more versatile Cho Oyu, or does the Broad Peak offer substantial improvements in firmer/icy/wind-blown conditions. Thanks for any suggestions or advice!
Answer from jbo
Hi Dan, the Cho is a fun ski that can get down a lot of peaks, but it's not necessarily a high alpine specialist. The BP is not bad but a bit on the heavy side for some. The sweet spot might be the Carbonio 74, which has similar specs to the BP but with a lighter construction and full length side walls.
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Question from Nick
Do you think this ski in a 174 would work well with the dynafit PGD boot or would that boot be too flexible for this ski? I would use it mostly for climbing volcanos and general mountaineering.
Answer from jbo
Hey Nick, I think that is within range for the boot. I sometimes use the PDG with similar 89mm 177s with good results. I also just reached out to someone on the Cho 182s w/ PDGs and he had positive feedback on the combo.
Answer from Rad
I am skiing PDG boots and the 182 with speed superlites and they are my go to set up. No issues. My only dream is with hard mountaineering conditions the skis chatter pretty good. For normal powder slaying expeditions they are ideal.
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Question from Joel
Could you compare the Dynafit Cho Oyu and the Movement Response-X?
I'm looking at the Oyu 174 and the Response-X 177. Do they actually measure their length's specs?
Could you describe ski performance in various conditions: hard snow, chop, powder, refrozen, spring corn, high speed, low speed, etc.
Bottom line: which is better all around?

Answer from jbo
Hi Joel, both skis measure within a half-centimeter of the spec length. They are actually fairly similar in how they handle the conditions you list. Good float but sink in two feet of 4%. Excellent edge hold in hard snow. Some tip vibration at speed. The Cho has a beefier construction (e.g. titanal binding reinforcements), yet the Response-X feels a bit more damp and is less noisy. I personally prefer the sidecut of the latter, but the skin attachments of the former. I'm pretty sure you'd be happy if forced to ski either :)
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by Matt (used product a few times)
I had the opportunity to take these and a number of other lightweight skis out to play recently. After writing off several other skis at a similar weight as too light, I ended up spending over half of a week long trip on these bad boys. The Cho Oyus are hands down the lightest ski I have ever skied that I could trust in any conditions. Compared to other skis in their weight range they are incredibly damp, which is a huge asset when skiing refrozen death snow. They are wide enough underfoot to ski powder well, although I would not choose them as a dedicated pow ski or a backcountry one ski quiver. People who tend more toward the ultralight rando racer side of the spectrum may disagree with me here.

At this weight, they of course climb like a goat with its ass on fire. For my style of skiing they are pretty much a dream all around ski mountaineering weapon.
Reply from Matt
I should mention that I was on the 182's and wouldn't want to go shorter. My default to get out of trouble is to point it and I feel that I shorter length would trade away the stability that allowed me to do that on the 182's. I'm 5'10+ and 175lbs.
Comment on this review:

Question from JohnnyD
Hoping for some advice... I'm 5'11'', 170lbs, and am planning to use these as an all-conditions, winter and spring touring ski. I'm wondering about the trade-offs between 174cm (for weight and tight, steep skiing) vs. 182 for a more stable/less squirrely ride. I have read that these ski pretty short. Any thoughts? Which length would you choose?!
Answer from jbo
Hi Johnny, tough call. The longer version is a bit more fun in the soft snow, the shorter version is easier to manage on climbs. A rocker does typically knock a couple cm off the effective length. They are both relatively stable, but the 174 wants to turn more with the shorter radius. I'm a similar size and would choose the longer version for pure downhill but the shorter version for tackling a mountain.
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Question from JoeC
Thinking about buying a pair of Cho Oyus to tele on. I ski everything but ice. I'm an aggressive 5'11" 170 pounds tele skier. I've moved from T2s to 4s; I like the light weight. I've skied G3s bindings since they came out. Any ideas for bindings?
Answer from jbo
Hi Joe, I have to admit we're not qualified to give advice on tele bindings as it's pretty much A/T only around here. I can say that the Chos have some nice reinforcement plates that are tough to drill through so should handle a tele mount no problem.
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by Joe B (used product regularly)
I've been skiing since early March this year on 174 Cho Oyus with Kreuzspitze bindings. Wow, they do it all. Climb like a feather, and handle everything from frozen chunky corn to powder amazingly well! They turn on a dime but feel very stable. If you get them, get the pre-cut Dynafit skins too. Excellent glide, plenty of stickum, and they climb really well. Plus they fit the skis perfectly and are a lot lighter than my old Black Diamond skins.
Comment on this review:

by nicholas j (used product a few times)
I've only used this ski two days so far. I have the 174 length, and am 6'3", 195lbs in the buff. I'm skiing these planks with tlt5 mtn boots, and Dynafit Speed Turn bindings. First time skiing them was on refrozen slush/ice. Amazing on the up; I've never been on anything this light before. Just as awesome on the down. Nice and damp through the chunder especially given the light weight. Incredible edge hold. Yes, they are loud. But they ski just fine. Just turn up the tunes!
Next day was in the ski area during operating hours, with about 5-6 heavy, wet snow. The ski handled those conditions flawlessly also...only thing lacking that day was my abilities. Handled the chop just fine. Buy this ski. It's awesome. It's easy to ski. It turns on a dime, and can do longer radius turns as well. Oh, and these guys had the skis to my door in about 2 days. Rad shipping. 5 stars for sure.

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