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Dynafit Speed Radical Binding

Brand: Dynafit
Model: TLT Speed Radical
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Availability: In Stock
Price: $399.95
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The Dynafit Speed Radical is the standard by which touring bindings are measured. Evolved from the tried and true TLT Speed, the binding is designed to be safer, easier to use, and support a wider range of boots sizes and release values. The skiability and precision control of the previous incarnation remain intact. If you are looking for a lightweight binding that gives you more adjustability and riser options than a race binding, the Speed Radical may be for you.

  • Power Towers on the toe pieces are easier to step into and offer protection from pre-release during a side impact.
  • Speed Step climbing bars enable you to change riser heights with a flick of a finger or pole, no heel rotation necessary.
  • Adjustable heel piece (up to 22mm) lets you step in with various size boots or loan them out to a friend with big feet.
  • Release values adjust between 4 and 10 for both lateral and vertical releases, so you can customize your injury prevention.
  • Made with forged 7075 aluminum, high-strength plastic, chromoly and stainless steel to ensure your skis stay attached.
  • Comes with optional leashes so you can make your rig resort legal when accessing the side-country.

Update 2015/16: All Speed Radicals now come with an anti-rotation mechanism that is mounted under the heel to prevent accidentally spinning into ski mode while skinning.

Update 2017/18: An additional refinforcement plate was installed under the heel roof, adding around 15 grams. All of our stock is current with this update.

Update 2018/19: The most popular touring binding dropped a noticeable amount of weight and got a face lift just in time for ski season. The new aluminum toe piece is 31g lighter and the binding gets new anodizing and looks really spiffy!

Update 2019/20: What a neat paint job, it's the same great binding just now in Skimo Co blue!

Specifications
Weight
-> ounces
349g [2018/19]
Weight (pair) 698g [2018/19]
Boot Compatibility Tech
Brakes Leashes included
BSL Adjustment 22mm
Riser Heights 2 + flat
Vertical Release 4-10
Lateral Release 4-10
Crampon Ready Yes
Specs Verified Yes
Design
Materials 7075 aluminum, steel pins, high-strength plastic
Skimo Co Says
Usage Everyday touring with resort drive-bys
Notes Anti-rotation mechanism prevents accidental mode-changes
Bottom Line Lightweight adjustable touring binding
6/8/2020
by Susan H (downright abused product)
 
There's a popular saying about weight, price, and performance: you can only pick two. You can expect to pay out the nose for the lightest and sexiest of bindings and the definition of the word "performance" begins to change when you start prioritizing the uphill to the down.

As has been said before by several other reviewers, these bindings do a pretty darn good job at being lightweight(-ish), inexpensive(-ish), and perform admirably in a wide variety of settings. From the backcountry, to side-country, to slack-country: these bindings will not only keep you attached to your skis, but release when needed. The sky-high stiletto risers work well to compensate for AT boots with minimal ankle flexion. The 22mm of BSL adjustment comes in handy if you find yourself loaning out your gear. The crazy high ramp angle didn't bother me until recently when I discovered a whole anodized aluminum world of 0-5mm deltas... then it bothered me a lot. I never tried shims, but they seem like a pretty decent solution if you're married to this binding. Will these be your forever bindings? Probably not. Are they a great place to start? Absolutely!

If you have a little extra money kicking around and aren't terribly concerned with vertical release or specific DIN values, check out the Plum Oazo for a binding that weighs a whole lot less and has nearly the same functionality.
Comment on this review:

4/14/2020
Question from Victor
 
Hi,

I'm interested in the Dynafit Speed radical but not sure whether i can also install brakes. It's possible?

Thank!
Victor
4/14/2020
Answer from Cole P
 
Hello Victor, the Speed Radicals are compatible with Kreuzspitze Heel Brakes. Dynafit makes the Radical ST binding which is similar to the Speed Radical but with brakes.
Answer this question:

1/16/2020
by Adam (used product regularly)
 
Mmmm the Speed Radicals! Love these bindings. For me, they are the perfect balance of lightweight and durability. They release predictably and are nearly indestructible. I have the ST Rotations on another set of skis and cannot tell the difference in ride between the two. The main differences I have noticed are in weight, elasticity, and the rotations included ski brake. I have my speed radicals mounted on my lighter touring/ski mountaineering setup and appreciate the simplicity of the overall design. I have never had these release inadvertently and am confident in taking them in conditions where a lost ski might have consequences. Just do it!
Comment on this review:

1/4/2020
by Oakley (downright abused product)
 
Bottom line: For this skier, these bindings offer the best balance between usability, weight, cost, and safety for a dedicated backcountry touring setup.

In addition to the Speed Radicals, I've ridden the Speed Turns and Radical ST 2.0 and 1.0s. I've sold all of those other bindings and now have these on my three touring setups.

Stepping in and locking the toe are easier without the rotating toe offered on on more expensive Dynafit Radical bindings.

Going brakeless saves weight and improves speed/usability during transitions.

Compared to the Speed Turn, the risers on the speed radical are much easier to deploy and stow.

IMPORTANT NOTE: Go check out skimo.co binding ramp delta table. These bindings offer one of the highest ramp deltas posted. This will mean you will have an increased forward lean compared to many other bindings available on this site. If you prefer a more aggressive forward stance while skiing, consider the B&D shims for the toe piece.
Comment on this review:

2/13/2019
Question from Jared Nelson
 
Hey guys thanks for all the info! I'm seriously considering these bindings, but am a little hesitant based on safety. Would appreciate hearing from someone who uses them regularly, how real are any concerns about pre release or other safety release issues? Thanks!
2/14/2019
Answer from eric
 
Jared- In our testing the speed radical has a very consistent release value. If elastic travel and safety are paramount then I would suggest looking at the Rotation series from Dynafit. They have TUV certification the speed radical does not.
2/14/2019
Answer from Jared N
 
Eric, Thanks for the info, i'm currently on a set of Radical 2.0s, so that is my baseline. I have had zero issues with the Rad 2.0, but since the Speed Rad is quite a bit different wanted to get a feel for any issues (some stated below). I'm not hucking meat off cliffs, just want good knees at 60. Sounds like as long as you are not doing big air, these are solid for release/retention. Is that a fair statement?
2/15/2019
Answer from jbo
 
Hi Jared, that is a fair assessment. The release is a bit more reliable with the Radical 2 due to the rotating toe piece and lack of a heel gap, but the Speed Rad is sufficient for most folks casually skiing the backcountry.
Answer this question:

2/7/2019
Question from Jared Nelson
 
Is this the same binding as the TLT Speed Radical?
2/8/2019
Answer from Jeff
 
Yes, it is the TLT Speed Radical
Answer this question:

11/30/2018
Question from Hannes
 
I think the answer is probably yes, but I'd love a confirmation -- is the 18/19 Speed Radical hole pattern the same as previous iterations? Don't want to get into the dreaded hole conflict! Thanks!
11/30/2018
Answer from jbo
 
Hi Hannes, yes it is! No problems upgrading with the same holes.
Answer this question:

5/1/2018
by Andy (downright abused product)
 
I've had 2 pairs of these (on Cho Oyus and Voile Vector BCs) with every iteration of the warranty replacement heels. The heels never stopped autorotating on steep side hills; that is not only inconvenient, but dangerous. Packed snow and ice builds up under the boot heel worse than any other binding I've had (Vertical ST, Radical ST, Superlite 2.O, Plum Guide & Yaks, and Kingpins). It was so bad I finall covered the bsl adjustment screw & track and plate screws with permanent silicone adhesive; that did help a lot; using Maxiglide, Armorall, silicone spray, waterprood grease, silicone paste, etc. did little. I disliked the flipping climbing aids--they always seemed to flip inconviently on their own. For a minimalist binding these are heavier than most of the competition. But they did work and worked fine when the snow wasn't deep or in a sintering mood.
5/2/2018
Reply from jbo
 
Hi Andrew, thanks for the feedback. For what it's worth, in our experience the rotation issues were licked with the version that introduced the little nubbin that gets mounted under/off to the side of the heel. It would be hard to rotate accidentally over that!
Comment on this review:

2/4/2018
by Pete (downright abused product)
 
The old classics, decently light for starting out and reliable workhorses. The unbreakable Dynafit toe piece, paired with adjustable release values, and multiple heel risers, can't go wrong with these.

Pushed these hard enough that the toe pins rounded off to such a degree I was worried about release from my toe while skiing, never actually released so perhaps not a problem.

As these things wear the heels begin to turn under the weight of your boot while skinning, slipping from walk into ski mode. This can be quite aggravating especially on steep icy sections, fixed by replacing the plastic bearing inside the heel tower, or my recommendation, mounting your skis with Maruelli anti-twist plates: https://skimo.co/maruelli-binding-parts. (Work wonders and lighten the binding up).
Comment on this review:

12/16/2017
Question from Angus
 
Do the Speed Radicals have the same mounting pattern as the Vertical FT’s as I’m wanting to swap to a lighter binding with a lower DIN?
12/17/2017
Answer from Trace Leches
 
Hey Angus, thanks for reaching out! In the toe, no. In the heel, yes! We have a whole article dedicated to the hole patterns here! The heel should be able to pop into the old holes just fine, whereas the toe will be able to re-use two of the existing holes (you can choose front or back) and then you'll have to drill two other holes.
Answer this question:

12/2/2017
Question from Adam
 
Is there a compatible brake that I can add on? I have had two leashes break on me now.
12/2/2017
Answer from jbo
 
Hi Adam, there is no brake designed to work with the Speed Radical. You could add a universal brake such as the Kreuzspitze, but it needs to be removed for skinning.
Answer this question:

7/5/2017
by Tys (used product regularly)
 
I bought a pair of these to throw on a pair of Atomic Tacoras for summer and early winter skiing. I also have a pair on my Voile V6s. So far I've had the chance to use 'em on perfect corn, slush, avalanche debris, and even some pencil/knife hard couloir snow, and they have kept me securely attached to my skis. No prereleases yet, they drive my old non-rockered skis well, and I think they are a great balance of weight, durability, and features. I also like the added heel anti-rotation stopper. Unless you are doing some regular resort skiing and need brakes, or dropping cliff bands and need some serious retention, look no further.
Comment on this review:

2/18/2017
Question from Kelly
 
Do any of the current Dynafit bindings use the 5 hole mount? My 15 year old dynafit bindings are no longer passing safety checks, but I like my skis, wondering if I can just get new bindings that would fit in the same holes or whether I'm stuck looking for new skis too.
2/18/2017
Answer from jbo
 
Hi Kelly, no current Dynafit bindings have that pattern, but some other brands do, e.g. Plum. You can also plug a couple holes and drill a couple new ones for the latest Dynafits.
Answer this question:

2/10/2017
Question from Kevin
 
On a recent multiday tour, both toe piece plastic levers broke. Is there a fix with a more robust part?
2/11/2017
Answer from jbo
 
Hi Kevin, the stock toe levers are all that's available. They are easily replaceable and that is something Dynafit warranties if there was no abuse.
Answer this question:

12/16/2016
Question from sarah
 
Hello,
I have the fischer transalp 88 skis and transalp ts lite boots and am looking for a binding for tours and some back country skiing. I am not a racer, so weight is not a huge issue, although light is good.... with that said, would the dynafit speed radical be a good fit? Was also looking at superlight white, but it seems that it's only a half pound of weight shedded and costs $150 more, any other significant differences
12/16/2016
Answer from jbo
 
Hi Sarah, the Speed Rad would be a decent option for that setup; it's fully featured and reliable. The Superlite would save you some grams at the cost of a fixed vertical release and no BSL adjustment (can't adjust for different boots).
Answer this question:

11/22/2016
Question from RMC
 
Is skier weight a consideration with these at all, other than DIN setting? Should heavier skiers move towards the ST/FT? I like the leash concept and weight savings but am concerned with durability, drive-ability, etc.
11/22/2016
Answer from jbo
 
Hi RMC, there is no published skier weight limit, and the latest iteration seems to be holding up well. The ST/FT 1.0s are the same construction so not any stronger, though the ST/FT 2.0s are noticeably beefed up. You could also check out the G3 ION LT 12 which is a bit beefier yet still light sans brakes.
Answer this question:

5/2/2016
by Jim (used product regularly)
 
I paired these with the Movement Sweet Apple skis for my girlfriend. Over two seasons, she has toured on them regularly and used them at the resort maybe 10 times with no issues at all. (She weighs 105 lbs and is not an aggressive skier.) They are not the absolute lightest, but the combination of weight, function and price is hard to beat. Another reason I chose these for her, and not a race binding, is that she needs a very low release setting, and these go down to 4. She skis them on a 4 or 5, and they have released when needed, without pre-releasing. Small people take note.
The adjustable heel is also handy for boot changes without remounting, as happened when her F1 Evos were recalled.
Comment on this review:

4/2/2016
by lance j (used product regularly)
 
I have been on Dynafit bindings since I began skiing a couple years ago. The first set was the Radical ST, so I felt good about changing to the Speed Radical when I got some new skis because I preferred using a leash to brakes when in the backcountry, and the fact that the Radical lets you skin with your boot flat to the ski as well.

A year on, I have been reasonably happy with the Speed Radical bindings. There is nothing that stands out to me as a drawback to them other than the weight (I recently purchased the Superlight 2.0 and that binding has changed my mind about binding weight...).

It seems that the rotation pin has been a problem in the past (I have the 15-16 model), but I haven't had any issues with them. Also, I've had no problems with the 'rotation issue' so far, but have spent more time area skiing this winter because my son has been learning to ski as well.

All in all, it the Speed Radical has been a solid binding for me. I'm certainly interested in the Plum Guide and the G3 Ion, but until I get some new skis, there doesn't seem to be any reason to mess with something that works - which the SR does...
Comment on this review:

2/24/2016
Question from Scott
 
What's the difference between the Speed Turn 2.0 and the Speed Radical?
2/24/2016
Answer from jbo
 
Hi Scott, the Radical risers are little flippers, whereas the Turn heel rotates to change risers. The Radical toes have Power Towers that help with boot entry as well.
Answer this question:

2/16/2015
Question from Bill
 
Is this the latest version of the Speed Radicals and NOT the first iteration with the plastic housing?
2/16/2015
Answer from jbo
 
Hi Bill, yes, all of our stock is current from the 2014/15 season. They come with the new anti-twist device.
Answer this question:

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