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Black Diamond Dynex Runner Review

   
Top Pick Award

Climbing Slings

  • Currently 3.6/5
Overall avg rating 3.6 of 5 based on 3 reviews. Most recent review: September 9, 2010
Street Price:   Varies from $7 - $15 | Compare prices at 7 resellers
Pros:  Compact, lightweight, durable.
Cons:  Difficult to untie, tangles easily, expensive.
Best Uses:  Traditional climbing, alpine climbing.
User Rating:     
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  • 5
 (4.5 of 5) based on 2 reviews
Recommendations:  100% of reviewers (2/2) recommend this product
Manufacturer:   Black Diamond
Review by: Chris McNamara ⋅ Founder and Editor-in-Chief, OutdoorGearLab ⋅ April 16, 2010  
Overview
At 10mm wide, Black Diamonds Dynex slings were some of the most compact that we tested. They save you a lot of weight and space over Black Diamonds 18mm nylon slings, and even over some of the other Dyneema slings. Despite their slim profile these slings maintain full strength, making them awesome for the low weight, low bulk climber.

You can cut down your bulk and weight significantly when you compare Black Diamonds Dynex slings to the Sterling Nylon Sling or even Omega Pacifics Dyneema sewn slings. If you can handle a little tangling, and dont plan on knotting these bad boys up, they will be an extremely durable and versatile addition to your rack. If you are looking for a super skinny sling that is still easy to untie, try the Mammut Crocodile Sling. Although they are more expensive than nylon slings and some other Dynex slings we tested, they are very durable and likely worth the investment.

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OutdoorGearLab Editors' Hands-on Review

Likes
The Black Diamonds Dynex Runner is a super compact and lightweight option for the light and fast traditional climber, or those alpine ascents. At 10mm wide they are a full 8mm thinner than Black Diamonds nylon slings. They are also significantly thinner than some of the Dyneema slings that we tested. Due to a super tight weave, these slings garnered a top spot in our durability rankings exhibiting minimal fray throughout our testing, assuring a long life for these slings.

Dislikes
One of the best things about these climbing slings is also one of the biggest drawbacks: the 10mm width. While the skinny sling saves you a bunch of weight and bulk, the thin width also makes it extremely difficult to untie a knot that has been weighted. After weighting a nicely dressed overhand knot, we (not having any fingernails) actually needed pliers to untie the knot. We also found that the thin width of the sling lends itself to tangling a little more frequently than slings of a greater width.

Another drawback to these is their price, which is significantly higher than a Black Diamond Nylon Runner. Also, while the sling technically works as a friction knot or rappel back-up, due to the low melting point of Dynex, we cant recommend that the sling be used in this way. The friction of the rope on the sling can actually melt the fibers of the sling compromising the safety of the system.

Check out this article by DMM about the characteristics of Nylon and Dyneema slings.

Best Applications
Black Diamonds Dynex slings will be best suited for situations where low weight and low bulk are the highest priority. Speed ascents, alpine ascents, and long traditional routes are scenarios where youll be thankful to have a set of these on your rack.

Other
There is a good discussion about Black Diamond Runners here http://www.supertopo.com/climbers-forum/1245623/BD-Dyneema-slings

Chris McNamara

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OutdoorGearLab Member Reviews


Most recent review: September 9, 2010
Summary of All Ratings

OutdoorGearLab Editors' Rating:   
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 (3.0)
Average Customer Rating:   
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  • 5
 (4.5)

100% of 2 reviewers recommend it
Rating Distribution
3 Total Ratings
5 star: 33%  (1)
4 star: 33%  (1)
3 star: 33%  (1)
2 star: 0%  (0)
1 star: 0%  (0)
Sort 2 member reviews by: Most Recent | Most Helpful
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   Sep 9, 2010 - 05:33am
bearbreeder · Climber
they work and are light

Bottom Line: Yes, I would recommend this product to a friend.
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   May 17, 2010 - 05:50pm
Mike. · Climber
No noticeable difference in performance from the Mammut Dyneema slings I own. (See my review under that product.)

Bottom Line: Yes, I would recommend this product to a friend.
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Black Diamond Dynex Runner
Credit: BlackDiamondEquipment.com
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