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  • Sterling - Fusion Nano IX DryCoat Climbing Rope - 9mm -

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  • Sterling - Fusion Nano IX DryCoat Climbing Rope - 9mm -

Sterling Fusion Nano IX DryCoat Climbing Rope - 9mm

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5 Reviews


To the moon!

Did you know that when they rigged up all those fake moon landing videos, the Sterling Fusion Nano IX DryCoat Climbing Rope was the cord they used? It turns out that a water-resistant coating like Sterling's DryCoat treatment is as important when you're putting up fake space sets as it is when you're climbing ice, mixed routes, or having soggy days at the crag. The slim 9mm diameter is as perfect for pulling low-gravity astronauts up and down as it is for sending your next project.

  • DryCoat treatment
  • 52 g/m
  • 6 UIAA falls
  • Item #STE000X

Tech Specs

9 mm
Dry Treatment
yes, DryCoat
Static Elongation
Dynamic Elongation
Impact Force
8.5 kN
UIAA Falls
Claimed Weight
52 g/m
Recommended Use
ice climbing, sport climbing, mixed climbing
Manufacturer Warranty

Tech Specs

  • Reviews
  • Q & A

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Sheath as strong as a wet paper bag

  • Familiarity: I've put it through the wringer

I've used a wide variety of ropes from projecting sport routes, long rock alpine routes, waterfall ice cragging, etc.. and the nano has by far the weakest and most delicate sheath of any rope I've ever touched.

On it's first outing, a 6 pitch granite alpine route with no snags or falls (lead or follow) it already showed fuzz on the sheath in many places. Last weekend I was belaying my follower up a pitch in Squamish and watched as green threads shaved off as the unloaded rope slide over a very rounded edge of rock. Weak. This has been the experience with another partners 70m nano as well, we used that one for cragging as well as alpine (mostly index granite) and it was dead in 3 months of occasional use.

Before you say, "but it's a skinny rope, that's what happens!" I have an 8mm Mammut phoenix half rope which has seen far more abuse with a sheath in great shape. Take a look back at specs. Nano has an extremely low sheath percentage, clocking in at a whopping 27%. If you multiply that by it's weight you'll see it's got about 14 grams of sheath mass per meter. That's the same as a super skinny 7.5mm mammut twilight half/twin rope.

I've had good sheath life from a beal joker 9.1 and the bluewater icon might as well be a tank. If you're looking for a single rope to take on alpine routes where the rope will be dragging over rock I would recommend these.

There is an area the nano shines though, hard sport redpoints. This rope packs a good amount of core for it's size, it has so little drag through biners and belay device that it's great to clip. If you're going for that 35m enduro fest and the rope is just getting loaded on the smooth surface of biners this is a great option. I still wouldn't use it as a work horse for repeated whips though. It definitely does loose elasticity and need to be flipped after about two higher force falls if you're projecting.

My first love

  • Familiarity: I've put it through the wringer

I bought the 30m version of this rope when they still sold that. This was my first rope and it served me amazingly. It is difficult to find the middle point, but the thin diameter makes it easy to work with, and light to carry. The only problem I encountered was that every time you used it (even when freshly cleaned) it would leave dark smears on your hands.


  • Familiarity: I've put it through the wringer

Awesome rope. I don't really like using my ATC-guide with it, get something made for a skinnier rope. Feel is so nice, color is on point. Sterling kills it with this one.

Great Alpine Rope

    This is my go-to alpine rope. For wandering routes or routes with long rappels, I bring two of these and use them as half-ropes. Although 9mm is a little thick for a half rope, they are quite light and you really won't feel the weight compared to a single line, especially with the complete absence of rope drag. The best part about this rope is that it is rated for use as a single rope. For moderate, fast-and-light ascents and routes which involve much simul-climbing, simple use one of these ropes! The sheaths are a little delicate compared to thicker ropes, so try not to drag these over sharp edges while the follower is hanging.

    no center mark

    • Familiarity: I've used it once or twice and have initial impressions

    Sterling announced at the outdoor retailers show that it would be weaving in middle marks on it's new ropes. Since this was the first one I had seen for sale I ordered it. Light but no middle mark. Will report back after I have used it but it seems to have a nice hand.