Keeping rope drag and rack weight to a minimum, the new 10 mm Dynex Runners by Black Diamond are the ultimate in lightweight, high strength and abrasion resistance with a tight weave that increases durability. Nylon Runners are also incredibly durable.
DECENT FEATURES of the Black Diamond 10 mm Dynex Runners
Dynex is highly abrasion resistant, strong and lightweight
I know, I know, everyone loves the Mammut runners because of how skinny they are. I'm kind of a chicken, though, so I love the BD runners, which have a little more bulk to them, but are still way lighter than nylon.
"Does exactly as advertised, although in hind sight I would have gotten longer ones."
03/10/13
I got some of these when I first came out of gym and got into sport climbing. If you plan on using these for a personal anchor as I did before ever cleaning a route, you might want to go with the 60 cm. After cleaning one route I ended up doubling them up to make it way easier.
Just got back from my first trip using the thin slings (after retiring my old 12mm dynema). The reduction in bulk and weight is really noticable. Especially rigged as Alpine Quickdraws. Love these! I couldn't convince myself to go with the mammut 8mm as it just looked TOO skinny and I'd read they might not be as durable as these 10's from BD. Wow they are great. Grandpappy would be freaked out by these thin slings but they are plenty strong, as long as you recognize they are completely static and use them appropriately.
These longer dynex runners are great for extending under overhangs to minimize rope drag. Also for building smaller anchors. You can also lasso a buffalo and not have to worry about it getting away.
These runners are great for lightweight alpine draws. I use them mainly for rock climbing. Sometimes I use them for locking up my bike because its so strong.
Over time, this has become the predominant sling on my rack. I still have a few nylons, and a few scattered dyneema/spectra runners from other brands, but this is the only one I still buy. It's way more durable than the lighter weight cords out there like the ones from Mammut (they're awesome, but I can't afford them), and I still have some of these that still look great after several years of regular climbing. One nice feature that isn't included with all brands is that BD stamps the date of manufacture on their soft goods, so you can check to see if any slings have been sitting on your rack too long and need to be retired.
Black Diamond's 10mm Dynex slings offer more durability than the lighter Mammut Contact slings (8mm). Dyneema doesn't absorb water and doesn't stretch, the former property important for any wet application (runners lose about 50% of their strength when wet, not to mention the weight savings). More packable and lighter than nylon, dynex must be sewn and does not hold knots due to its low friction. Trade-offs I, and most alpine climbers, happily accept. Not your grand-daddy's slings.
"Great for alpine and when needing to save on bulk and weight"
06/16/12
I use these almost exclusively for my trad draws. However, they are hard to untie when using knots and they have zero stretch, so if you shock load them they will probably have issues. However, if you set them up tautly then you should have not problems. I would five a fifth star if BD made them 12mm wide. 10mm seems too thin and 12mm would be easier to untie. A good alternative may be Sterling or Trango tapes.
$29.95
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