Dynafit Radical 2 Ski Touring Binding Receives TUV Certification


Post by WildSnow.com blogger | September 12, 2015      

While TUV certification to standards such as 13992 is not the end-all be-all in knowing a product is reliable and performs well (real world testing is the only 100% truth, and TUV does not do extensive durability testing), it can be a good marker. The challenge in this is sometimes engineers will include a product “feature” that’s more motivated by receiving the TUV cert than any real life necessity. That’ll all come out in the wash this winter for Radical 2. For now, kudos to Dynafit for going to the effort and expense to obtain the TUV stamp.

Note that the TUV certification of tech bindings to standard 13992 and others is predicated on the use of Dynafit certified boot fittings. Don’t let that turn you off to boots that have third-party fittings (most are fine), but know that ALL boots need to be at least hand checked for smooth release, on the workbench, before you go out and ski your rig.

Dynafit Radical 2 TUV certificate.

Dynafit Radical 2 TUV certificate.

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Comments

22 Responses to “Dynafit Radical 2 Ski Touring Binding Receives TUV Certification”

  1. biggb September 13th, 2015 1:23 am

    Lou, I was thinking of purchasing the Rad-2s for my new skis this winter but a bit scared off by your rightly preaching against the potential 1st year bug.

    Any chance of an update as to the stability / reliability / skiability of the Rad2 as it stands so far? Just a thought if you needed a topic. Thx.

  2. Lou Dawson 2 September 13th, 2015 7:58 am

    Hi Big, yeah, preaching because the amount of first-year (and beyond) defects in ski touring bindings is an epidemic. I’m not sure why that is, but I have a theory. My theory is that for some reason the Consumer Products Safety Commission (in the U.S., not sure about EU) has not directed their powerful searchlight in our direction. Yet. So companies without the fear of costly official recalls and even financial penalties compete with each other like mad dogs to be the first out with the most innovative and newest product, full speed ahead and damn the torpedoes. Once our industry gets larger, I think the rate of new product introduction will slow down, and manufacturers will take more time to test products in their near or fully retail form. From what I gather, that’s already happened albeit spotty, with some products being rushed and some not.

    Even so, remember that nearly every product category these days seems to experience a retail product defect at one time or another. Automobiles being a good example, and remember what’s happened with prosthetic implants over the years?

    Now, to be fair perhaps Dynafit set a good example and bit the bullet when they delayed Radical 2 for a season due to problems with the brakes and perhaps some other stuff.

    Also, I know as an insider that it’s incredibly difficult to make a retail product that’s identical to the nearly one-off created test product versions. Plastic molding alone is a total nightmare, not to mention controlling the craft quality when human hand assembly is required.

    So, perhaps the Radical 2 is better vetted than some other products have been in the past and you could have more confidence in being a consumer tester. At least a ski binding isn’t a prosthetic implant. Yet. See URL below.

    https://www.wildsnow.com/611/georg-sojer-finally-a-way-to-make-dynafit-bindings-weigh-less/

  3. Lou Dawson 2 September 13th, 2015 8:12 am

    As for skiability, Rad 2 has had thousands of days testing now by hundreds of pre-retail users and I’ve not heard of any problems endemic to the design of the rotating toe unit. Even so, a binding with 100% of its lateral release tension supplied by the heel unit is something the industry has fooled around with for half a century, and it’s never caught on. So we’ll see how it goes. What is more, the rotating toe completely obviates the possibility of touring with the binding toe unlocked. Not a big deal for most folks, but if you encounter fairly hairy avalanche conditions and want every advantage in case of a slide it’s nice to be able to tiptoe around without locked binding toes (and without safety straps or ski pole straps).

    Here at WildSnow HQ, our all-time favorite binding is still the Dynafit Vertical FT with the strong version toe springs, run without the cosmetic toe-heel connector plate, with brakes or no brakes because they are so easy to install and remove. And for smaller or less aggressive skiers, the Vertical ST has been great.

    Even Vertical series bindings have what is in my opinion an inherent defect in that some folks break off the plastic tab on the heel unit that your heel rests on when you’re in heel-flat-on-ski mode. We’ve never experienced that and suspect it might be caused by folks forcing the brakes to retract when things are jammed up with ice and snow, but who knows… Vertical has worked for us like a champ. (And if anyone remembers, Verticals had their growing pains as well, for example, if I recall correctly, the heel lifter broke on the first retail versions and there was some heel pin breakage due to a metallurgy problem.)

  4. biggb September 13th, 2015 12:48 pm

    Thanks Lou … just the update i was looking for.

    Like a new Operating System … don’t install until the first service pack comes out or suffer the potential consequences!

    I’ve loved the Speed Rad for the last 3 seasons (except for the inadvertent heel turns in tour modes) and have been thinking the Rad 2 would be a nice upgrade to some fatter skis … and I’ve been running Windows 10 for 8 months now … so i guess i’m that guy.

  5. Lou Dawson 2 September 13th, 2015 12:54 pm

    Windows 10. Bold man. We’re still on 7 and xp, on 7 or 8 computers… no big desire to downgrade too soon. Lou

  6. Matt N September 13th, 2015 2:18 pm

    Thanks for more followup on the Radical 2.0 Lou: Life is indeed one, big, unpaid beta-test.
    I’d be interested to hear your thoughts on the pros & cons of the Rad 2.0 vs G3’s Ion. Both are in the same weight & intended use range.
    If you had to pick one to spend next season on, which would it be and why?

  7. Lou Dawson 2 September 13th, 2015 6:55 pm

    I’d put the ION on one foot and the Rad 2 on the other, and see who worked best. A guy named Salomon told me that’s the best answer (grin). Main pro I can see for G3 is it has conventional tech toe only with a twist in that it has excellent toe retention strength. Main advantage of Radical 2 is the rotating toe obviates any stickiness or blocked release caused by boot fittings not working correctly. Lou

  8. Mark Worley September 13th, 2015 9:09 pm

    Lou, I have broken two of the flat-on-ski heel tabs that the boot heel rests on while in tour mode, and both times without brakes. Frustrating, but I have enjoyed the Verticals a lot.

  9. john September 14th, 2015 5:27 am

    Mark that’s bc dynafit switched over to those stupid moving tabs on the rads. the verts are one solid piece and imo better design. still use verts and never using rads. btw if they need someone to test durability well i can help with that.

  10. Lou Dawson 2 September 14th, 2015 5:34 am

    Mark, come to think of it, the problem with those tabs breaking might actually be exacerbated by NOT having a brake, because when the brake is retracted under the tab it provides quite a bit of support…. I’m also wondering if those folks who run Vertical ST/FT without brakes could just cut that tab off and install a stomp block that the heel would rest on in flat touring mode. That would be a cool mod. I’ll look at the possibility today. It’s tragic that the Vertical ST/FT didn’t undergo an inline change to the mold to strengthen that tab, besides glitches like improperly installed brakes, it’s the last flaw in the ST/FT. Bums me out when a product is discontinued just when all the flaws are close to being worked out. Happens all over the place in various industries, has to do with marketing and offering NEW! products. Lou

  11. Ben W September 14th, 2015 7:17 am

    I never skied the FT’s with stiffer toe springs, but I had occasional prerelease with Verticals that I’ve never experienced with Radicals. I’m able to lock the toes less and would never go back. I don’t use heel lifters much, but when I do, I appreciate the flippers, although I wouldn’t care if they went away.

  12. Lou Dawson 2 September 14th, 2015 7:27 am

    Ben, the Power Towers on the Radical are a good idea and might be helping you. Depends on how close your boot toe plastic is to the towers. Am pretty sure they have spring strength more or less equivalent to the stronger spring in Vertical FT with the stronger springs.

    In any case, your real-world testing is what counts, I’m glad you found a tech binding that works!

    Lou

  13. biggb September 14th, 2015 11:42 am

    Last question (not really!) … anyone have experience and / or thoughts on the Fischer branded version of the Rad 2?

    Same same? Different?

  14. Lou Dawson 2 September 14th, 2015 12:35 pm

    Should be identical… from what I’ve seen…

  15. biggb September 14th, 2015 12:41 pm

    Thanks Lou … a thousand page views to you!

  16. Cameron September 22nd, 2015 5:19 pm

    Lou, Interesting point about the heel tab on the vertical ft breaking off. I have two pairs and have always run them without brakes, and I am at 50% for the aforementioned breakage within two years on each pair. Not a huge deal in my opinion, but somewhat annoying. Any thoughts on this, and do you think its worth trying to warranty?

  17. Lou Dawson 2 September 23rd, 2015 5:11 am

    Cameron, if I had this issue with Dynafit Vertical ST/FT I’d just cut off the tabs before they broke, and install a stomp block for heel-flat-on-ski mode. Assuming ski brakes were not being used… Too bad this defect of the ST/FT was never fixed, as otherwise it’s a nearly perfect binding that’s supported literally millions of skiers for quite some time now. Oh well, moving on… sigh… Lou

  18. Mark Worley September 23rd, 2015 6:31 am

    Each time my Vertical heel tabs broke, Dynafit fixed me up quickly with replacement heel pieces. Their service is excellent. As to modding by cutting off the tabs and installing my own blocks, I can’t really imagine spending hundreds of dollars and then having to modify in this way. Design defects need to be dealt with in warranty and redesign.

  19. Lou Dawson 2 September 23rd, 2015 6:49 am

    Mark, I hear you. On the other hand, guys still buy $45,000 Jeeps and the first thing they do is start modifying them (grin). But I for sure would like to see ski touring bindings reach a mature state of design instead of these constant problem that seem to be endemic to tech bindings. Lou

  20. Dave Smith December 21st, 2015 9:14 am

    Lou:
    I’ve use various models of Dynafit bindings for nearly 20 years. A good friend is trying to make a purchase decision (he has ski toured for many years, but this will be his first “tech” binding. He is trying to decide between the Radical ST 2.0 and the Speed Turn 2.0. He will use the bindings primarily for touring, but would like to be able to use them in area on powder days. He has asked me to advise him. I’d appreciate your comments on my conclusions.

    Potential Issues:
    1. Brakes: advantage Radical–more convenient and “safer in avalanche terrain than runaway straps.

    2. Weight: advantage: Speed Turn–lighter is always better, but either binding will be lighter than the Silvretta Pures that he is currently using.

    3. Auto-rotation: advantage: Radical– while this does not occur frequently with classic Dynafit heels, it can be very frustrating when its happening.

    4. Heel Lifters: advantage: Radical–while one can get fairly proficient rotating classic Dynafit heels with a pole, for most people it is not as easy a flipping Radical lifters up or down.

    5. Pre-release: advantage: Radical–while this is probably not a significant issue when touring in soft snow, it may be one when riding the lifts.

    6. Cost: advantage: Speed Turn

    Given all of the above, my recommendation to him is to go ahead and spend the money for the Radical ST 2.0, what do you think?

    Thanks,
    Dave

  21. Lou Dawson 2 December 21st, 2015 9:37 am

    In resort? Brakes. That is all. Lou

  22. Susan January 8th, 2016 4:43 am

    Sorry for the double post – just realized that there is a newer thread on the Radical 2.0’s:

    I was wondering if anybody else already managed to break off the little sled from the heel piece? I got out of the binding after the second ascent with my new skis and TLT Radical ST 2.0 bindings when the sled just slid out to the side as the plastic broke that held the sled in place and also the little spring came out. Ughhh.

    I do not see an easy way to replace the part where the plastic sled piece and the spring are mounted. When I tape the piece back in place the whole tilting/release mechanism won’t work anymore.
    I will also talk to my Dynafit dealer next week and see what he says. Thanks!





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