The UIAA equipment standard provides a baseline for equipment performance in a test lab under controlled conditions on new equipment. Although these test conditions are relevant to the conditions encountered climbing, conditions encountered at the crags and the condition of the equipment are equally important. This recommendation from the UIAA member federation The British Mountaineering Council (BMC) provides vital equipment information that is NOT explicitly addressed in the standard, particularly failure modes of the equipment and recommendations for the use, inspection, maintenance, and retirement of equipment.
Mega K6G
Description
The Grivel Mega HMS Twin Gate features a revolutionary twin gate design that offers the same level of security as a screwlock carabiner without having to fiddle with a gate barrel to lock and unlock.
Twin gate allows for quick and simple clipping, and once both gates are closed, the 'biner offers the same security as a screwlock carabiner
Easy to operate with 1 hand
Large-framed, pear-shaped body makes it ideal as a belay 'biner or as an anchor 'biner
Each Grivel carabiner is individually tested
The Grivel Mega HMS Twin Gate features a revolutionary twin gate design that offers the same level of security as a screwlock carabiner without having to fiddle with a gate barrel to lock and unlock.
Twin gate allows for quick and simple clipping, and once both gates are closed, the 'biner offers the same security as a screwlock carabiner
Easy to operate with 1 hand
Large-framed, pear-shaped body makes it ideal as a belay 'biner or as an anchor 'biner
Each Grivel carabiner...
Retail price
US$ 17.99
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Weight (g) |
83 g |
| Shape |
Pear / HMS |
| Locking |
Auto - 2 action |
| Straight or Bent |
Straight |
| Full Size |
Yes |
| Keylock |
Yes |
| Solid or Wire |
Solid |
| Gate Opening |
20 mm |
| Number of Colors |
1 |
| Lock Indicator |
No |
| Strengths (kN) |  27 kN  10 kN  10 kN |
No reviews yet.
I’ve seen a lot of online debate contesting the usefulness of this carabiner, the naysayers claiming it’s a “gimmick” and a “solution to a problem that doesn’t exist.” Many folks are excited about the new innovation albeit a little hesitant to commit.
I agree that this debate is most similar to the question of an ATC vs GriGri. Is it necessary that everybody change over their locking ‘biner fleet immediately? No. Do Twin Gates assist in reducing risk? Yes. Is it worth consideration when buying lockers in the future? Yes.
The Twin Gates are an interesting take on the locking biner concept. They work, and they work well. They can be finicky to operate, even for an experienced user, but by far their biggest downfall is their biggest upside: innovation. Someone who’s gotten used to the idea, or is curious about new gear, will learn to use them quickly and effectively. But pass them to your partner on a multi-pitch route and they look at them with distrust. It’s a great concept, it really is, but it will take a while for the general climbing population to become accustomed enough with the Twin Gate system for it to be widely adopted. For those willing to try something new, prepare to be questioned.
All these advantages sound great but to me they sounded even better when you put them in the ‘fun’ environment of Scottish winter climbing. So after three months of Scottish winter how did the carabiners fare? For winter work the two different models performed very differently. The pear shaped solid twin gate Mega K6G was a bit of a disappointment. The solid twin gate was hard to operate with gloves on, even in fairly ‘ideal’ winter conditions, the tiny tabs to facilitate purchase on the side of the gate were just not sufficient and it was soon swapped to the ‘summer only’ rack (with bare hands there was not so much of an issue).
Yes, I’ll use the Mega in place of a locker for belaying and rappelling, and am psyched to finally have a locker that will remain operational in winter conditions.
For those of you who wonder how the Mega is to open when you are wearing gloves: Depends. It’s more difficult to operate than some lockers, easier than others.
Carabiners and Quickdraws 2015
Introducing the new carabiners and quickdraws of 2015.
Features of Mega K6G
This video explains all the features and advantages of using twin gate Mega K6G.
Grivel Mega K6G
Introducing Grivel Mega K6G twin gate carabiner and showing the advantages of using twin gate carabiner.
Grivel Mega K6G
Mega K6G Carabiner Review
A pictoral representation of UIAA-121 and EN-12275 standards for connectors (the UIAA's fancy word for carabiners).