Description

Lighter and faster than ever.

Built to be light, fast, and super-simple to use, Dynafit designed its TLT Speed Radical Binding to withstand the forces of traditional alpine touring and maintain the low overall weight that ski-mountaineers demand.

  • A combination of forged aluminum, CrMo steel, stainless steel, and high-strength plastic provide plenty of strength and keep overall weight low (341g)
  • No plate under the toe means that power gets transferred to your ski more directly
  • Speed Step heel-height adjustment system activates easily using your pole tip
  • Slideable heel piece allows you to gain or lose 12.5mm of length without remounting
  • Torx (steel) screws save weight and are ultra durable
  • Guide leashes included

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Dynafit TLT Speed Radical Binding

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Here's what others have to say...

5 5

What's that? Can't hear you, I'm up here

  • Familiarity: I've put it through the wringer

What's the difference between going to Shralptown USA and being tired and sad? - Not having the winged dynafit snowleopard strapped to your boots.

True, Time, and tested - these things are so simply light and efficient it makes it hard to want to really ski alpine bindings again.

The ability to have some room for boot adjustment has allowed me to move to a different shell size without the worry of remounting.

I've done a bit of personal product testing on these by hitting decent size airs, sub 10 feet, and have come out on top each time.

And going to town on some hard, chalky snow makes these things legendary.

Dyna. Fit.

Pic - nearing the top of Suicide Chute, Wasatch Range UT in the early morning light - not feeling a thing in my legs on the up, and about to have one hell of time on the way down.

What's that? Can't hear you, I'm up here
Speed Radical on the Wapta Traverse

Speed Radical on the Wapta Traverse

Amy Harris starts out the Wapta Traverse near Lake Louise, Alberta.

5 5

Simple and Reliable

  • Familiarity: I've put it through the wringer

I've been riding the Speed Radicals all year from Chamonix, to Canada, and a tone of time in the Tetons. They have yet to fail me. To me, brakes just get in the way often, plus in Pow they won't really stop much anyways. Just adapt your clicking-in routine, when sketchy I hold the ski with one hand and click in at the same time.

These binders are super light and love the uphill, but will hold their own on the down. Keep your weight over the ski and there won't be any problems.

The only mod I like is to add a lift under the toe. The ramp angle is set heel high, but I find more comfort with flat ramp angle.

Stupid simple. Stupid Good.

Stupid simple. Stupid Good.

Not much to say beyond I love the simplicity and durability of these bindings.

Hi, I have a pair of radicals but don't...

Hi, I have a pair of radicals but don't want to be leashed in if caught in a avalanche. Also they can be dicey to put on when on a steep slope. Can I add brakes to the radicals?

Best Answer Responded on

You cannot add brakes, and yes they can be dicey to put on when on a steep slope. A tactic I have been using is this: I lay them down on the snow and clip them into my boot. Get both skis on, then just clip the leash back to themselves once I get them on my feet. To be honest though I havent even used my leashes in a year. I do get scared but, when I am on a steep slope I am sure to chop a good step and never let my hand leave the ski and always put on the downhill ski first as it gives you more stability to stand and get your uphill on. I recently had to go to a skimo race and they made us use these like dinky cordage leashes with non-climbing mini biners, those would definitely tear away in an avalanche. Maybe the leash that comes with these are just a bit beefy use something with a breaking force of 200lbs.

Responded on

I clip my leash to the bar on my front boot buckle (Maestrale)... Confident it'll rip my buckle off before my leg off... Had a huge "snowboarder on backside edge not looking where he was going" enduced stack last weekend and came away OK...

Responded on

I have tested the leaches pretty extensively, and found that when the forces are really high, i.e. high speed crash, the leashes will break. At lower speeds though, they will keep your skis close.

Responded on

Max, how have you tested the leashes? Were they designed to break away in an avalanche. My friend and I were considering designing a breakaway linkage in the system.

5 5

Fast and Light

  • Familiarity: I've put it through the wringer

The TLT Speed Radical is a great binding for backcountry skiers looking for something lightweight and great quality. I'm 6'4 and 210lbs, and these bindings work well for me. That being said, I've popped out a couple times when I shouldn't have. I love these because of their weight, but I'd go with something different if I wanted power. The leash takes a little getting used to if you're used to a brake, but I prefer them now. Bottom line, great binding for the majority of backcountry skiers.

Responded on

Is it your toe or heel that is experiencing unintended release? I'm curious if I'll have a similar issue since I'm nearly your size.

5 5

Great binding!

  • Familiarity: I've used it several times

These bindings are light weight, tough, and easy to use. These are my first AT binding, and I love them!

Is this enough binding to power a 120 mm...

Is this enough binding to power a 120 mm wide BD Carbon Megawatt? I pretty much only use these skis for BC in Powder.

Responded on

I have that exact set up. Since you'll be skiing the megawatts in powder...power from boot to ski isn't an issue. And, in reality, the binding is the least of your issues. Running a softer boot with a giant ski may provide some "lack of power" before the binding will. That said, I ski the 188cm megawatt with TLT6 boots and they shred.

5 5

I don't need no stinking brakes

It's amazing, I always say I need brakes with my fatty skis, you know in case they come off when I am pushing my boundaries and skiing hard... But every time I have only had brakes on my Fatty skis (125mm through 98mm) when I lose a ski and it's pointed downhill in powder I witness the efficiency of today's powder skis, when I see it rocketing off below... They just float up and best I can tell is I think those little brakes seeming are for show for the resorts... So the only thing that really works is leashes... Why waste the weight on a powder ski... The radical speed is all you need...

Does anyone know... what am I really gaining...

Does anyone know... what am I really gaining with the Plum Guide vs. the tried and true Dynafit Speed Radical? I'm having a really hard time justifying the additional $$ for the Plum bindings...

Responded on

Once dynafit's patent expired, several manufactures were able to join tech binding industry. Plum was one of these companies. Plum has essentially taken a really good dynafit product and has tried to make lighter, stronger, and more reliable. Wildsnow has a good comparison between the Guide and Speed binding. I don't have Plums, but I hear good things. One downside is that I have heard that customer support in the states for Plum bindings is nonexistent.

5 5

Eminent!

  • Familiarity: I've put it through the wringer

I have the Dynafit TLT speed radicals on my 99 wailers and my analogy to descried the combination is...making love with cowboy boots on.

5 5

Great!

  • Familiarity: I've put it through the wringer

Climb great, ski great. Was worried at first that I would miss having brakes, but I definitely don't. I'd highly recommend the B&D ski leashes with these.

Depending on your boot's fitting, it may be very difficult to lock the bindings into tour mode until the parts break in (although maybe this has been fixed in later versions). If your boot pops out, you probably aren't locked in, crank on that lever!

Unanswered Question

I have a pair of G3s that have max holes...

I have a pair of G3s that have max holes in them (filled), but I used to have dynafit bindings on it, they were borrowed, and am planning on ordering a new pair, so I would like to know if the holes will be able to go in the same spots or if there is variance between the models? (due to the fact that I can't afford anymore holes)

Salomon Quest X 100 Ski Boots work with...

Salomon Quest X 100 Ski Boots work with these?

Responded on

Not with the standard soles. You would need to get the Low Tech version of the soles to work with this.

Responded on

Last I heard, Salomon discontinued their tech compatible soles after a few of them ripped apart. So you would probably need a different boot or a plate binding.

I have the TLT Radical FT bindings with...

I have the TLT Radical FT bindings with brakes and am looking for a dynafit binding that will change modes from ski to tour and back without having to remove the skis. Will the Speed Radicals do that? If not, what will? Thanks in advance for your help.

Responded on

These will change from tour to ski without stepping out. To change from ski to tour you have to step out of the toe piece and rotate the heel piece. I believe all dynafit bindings work like that.

Responded on

I've heard the new Fritschi tech bindings can switch modes (tour to ski and ski to tour) without stepping out. Haven't tried them myself though.

5 5

oh my are these light!

  • Familiarity: I've used it several times

incredible binding! super light! but dynafit didn't skimp where it counts and all the areas that get the regular abuse are either forged aluminum or steel for extra durability. a couple things to note are that there are two DIN adjustments in the heal piece, the three screws in the back are where it can get confusing, the lowest one is the boot size adjustment, and the big one in the middle and the small one on top are the DIN settings. I will update this in the future with some pics and more info on durability...

Confused between the Speed Radical and...

Confused between the Speed Radical and Radical ST. Are the brakes on the ST interchangable? If I change to a wider ski in the future, can I get wider brakes? If so, how much do they cost? (I don't see brakes only listed on BC.com). Can you take the brakes off, and use a leash instead? If you can't swap the brakes, seems like I'd be better off with the Speed.

Best Answer Responded on

This years Radical ST and FT cannot have their brakes swapped after they are mounted without pulling off the entire heel piece and remounting. So basically if you need brakes and know what width you need then go with the ST. If you are ok being brakeless and just using a leash, you can save the weight and some cash and get the Speeds.

How would this bad boy stack up if I wanted...

How would this bad boy stack up if I wanted to go hard (no terrain parks really, maybe occasional small jumps) in a resort setting? I want one ski that does it all AT and Resort stuff.

Responded on

You will likely need to wear the leashes with these since most resorts require some sort of ski retention device. That being said I think they may get you by for the occasional resort day but I'd be wary on jumps and going really hard. One of the downsides of the these and most tech bindings is the lack of elasticity so you may find your self ejecting prematurely on harder hits.

4 5

Love this binding

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

The new toe piece has been awesome, so simple to enter! Great light weight touring binding. I'm very glad i purchased it