Skimo Co

Plum Race 150 Binding


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Plum invested 5 more grams into the ol’ reliable race 145 binding. The primary return on that investment is a toe lever that is smoother and easier to operate. Gone are the fiddly-to-mount striker plates that previously decided whether you were in walk mode or ski mode. The lock-stops are machined into the toe and feel buttery to operate. The lever itself was widened and smoothed of rough edges that could be a pain to grab. Also improved are the optional crampon attachments, which are now machined bits of aluminum that accept Plum crampons from the top (and others with the traditional sliding motion). The heel piece remains the robust design that many folks use on all their mountain adventures. The Plum 150 continues to be a benchmark against which other race bindings are measured.

  • Improved lever design is better integrated into the 7075 aluminum toe pieces.
  • Heel pieces have a simple flap-riser plus flat-on-ski mode with a 90° turn.
  • Binding can be locked (no lateral release) or unlocked (lateral release).
  • Updated optional riser can be plugged into the heel fork if you back it out.
  • Optional crampon attachments accept Plum crampons quickly.
  • Steel heel springs (aka forks) are resistant to notching plus easy to replace.
  • Adjustment plates are available if you need to switch boots in the future.

Update 2017/18: Plum redesigned the toe lever to avoid unlocking problems with some boots. All of our inventory has the update.

Update 2018/19: Plum reshaped the toe piece, moving material to more critical areas from less critical areas.

convert to ounces
Weight (pair) 302g
Boot Compatibility   Tech
Brakes (mm)   None
BSL Adjustment   None
Riser Heights   1 + flat, optional high riser
Vertical Release   Fixed
Lateral Release   Fixed
Crampon Ready   Removable Accessory
Specs Verified Yes
Materials   7075 aluminum, steel
Skimo Co Says
Usage Racing, mountaineering
Notes Much improved toe lever
Bottom Line Hard-wearing race binding
Compare to other Race Bindings

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Questions & Reviews

Trey (used product regularly)
These checked these boxes for me:

- More metal, less plastic
- Release ~8
- Brake and ski crampon compatible with a flat mode but not necessarily at the same time. The optional brakes go up front on these.
- Light!

I find the rear flap to expose the heel pins a little difficult to open when transitioning without coming out of the skis, but this means that it doesn't flap around when skinning. There's also not a lot of binding to get leverage from if spinning the binding from flat mode to using a riser, but it's not a huge deal.

I find them easier to step into in the front compared to some other bindings that I like, the Dynafit Superlite 150's.
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Question from Ben
Are the heels functionally identical to the R170 apart from the different mount pattern and lack of adjustment plate? Are they compatible with the Kreuzspitze heel adjustment plates?
Answer from Carlos M
Hi Ben,

In terms of function and release, they are very similar. However, the R170 cannot be direct-mounted and must be used with it's specific plate. The height of the R170 heel was tweaked so that the height of the heel pins was ended up similar to the height of the R150 pins - so it gives you an adjustment plate with minimal to no gain in delta, which is cool. The R150 heel will fit the Kreuzspitze adjustment plates with the 20.5mm width pattern, which is shared across most Plum and Kreuzspitze race bindings including the 120 and 150.
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Question from Jane
Hi, what are the vertical and lateral release values, roughly? I weigh 120 lbs and am wondering if the pre-set values may be too high
Answer from jbo
Hi Jane, that is a possibility. We recommend folks visit our binding finder to calculate their RV and we use that as a starting point to help pick a fixed-release race binding. If you submit that form and mention the Race 150, we can tell you if it will be appropriate.
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Question from Alex
I'm trying to decide between this and the Oazo. The main difference from what I can tell (besides the extra 50g) is that the Oazo has actual release values. I'd say I'm an beginner-intermediate ski mountaineer, would the extra safety of the Oazo be worth it? I'm not sure I would notice the additional 50g since this would be my first setup specifically oriented towards being lightweight, and am not doing any serious racing in this.

If it matters, the ski would likely be the Movement Race Pro 85, although I haven't decided on that either.
Answer from TSB
Hey Alex! Thanks for reaching out. Both bindings are super high quality and would serve you well in many different ski applications. I wouldn't say the Oazo offers "extra safety" so much as it offers more user input in creating that release safety. The Race 150 will still release both vertically and laterally, although those values come pre-set from the factory. However, the Oazo does have some adjustment for difference boot lengths as well as an extra riser height for those steep skinners, so it's a bit more fully-featured. Send us an email at to get into the finer points of tech binders and their usage!
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Question from Conor P
Any reason these bindings wouldn't be up for the task of driving a ski ~106 underfoot, 1,800g in solely powder? Boots would be Scarpa F1s.
Answer from Tim
Hi, you should not have any issue putting these bad boys on a powder ski. The only limitation on a powder ski with your F1s is that there is not a second riser for helping you break trail if needed in deep snow. However, you can add-on a heel riser to these bindings to solve that issue.
Answer from Conor P
Thank you Tim, just what I was hoping to hear! Looks like I could always grab the risers later if I see the need.
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mbillie1 (used product regularly)
I've got a full set of these on one pair of my touring skis, and the heels with Kreuzspitze plates on another. Very happy with them, they haven't prereleased (or regular released for that matter) or accidentally rotated or suffered any other unforeseen failure/annoyance. The ramp angle is nice. I've skied them in blower powder, some very firm/tracked/scratchy couloirs, and everything in between.

The two very minor gripes I have are:
1) it's tough to lift the heel lever with your ski pole like you can do with eg Gara Titan heels. I know you have to bend over to flip your ski mode lever anyway, but sometimes I don't want to go quite that far ;)
2) they are kinda difficult to rotate into flat mode. It helps if you rotate them a few dozen times indoors in warm temperatures. Maybe both things will loosen over time, not much so far though.

Aside from that, there's not much to dislike. The toes are solid, easy to click into, confidence inspiring when skiing unlocked. No heel slop that I've noticed. Simple, functional, lightweight. Aside from true race setups where ever gram counts, I'm not sure I see any reason for buying a more expensive binding (Hagan Ultra, Helio 110, etc) with the same feature set, and this is to me the ideal feature set.
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Jeremy (used product regularly)
Extremely hard to release, extremely hard to turn into flat mode. I have to stomp on the toe piece to release it. Forget taking your ski off with one hand while you stand on a steep slope like my Ski Trab bindings. And you can definitely forget about ever going into flat mode.

Skip these bindings.
Reply from jbo
Hi Jeremy, please see our note about the 17/18 update to the toe levers in the product description. You must have bought some old stock somewhere, as all our inventory is current. You will likely break the binding if you are stomping on the lever to exit. Note to anyone who purchased the older model from us in the past: we have replacement levers to send you (or replace for you) if you're having any problems.
Reply from Jordan D
Oh I see, I did buy them secondhand. Is there any issue with the release mechanism? Because the tightness of the toe levers makes my knees worry
Reply from jbo
Hi Jordan, the release works fine if you ski them unlocked. It's just a problem operating the toe lever.
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Pete (used product regularly)
Great all arounders, If your looking for a lightweight binding to drive a wide ski, or feel reliable when steep skiing these are great. Light enough for racing, but it seems that most people who are serious aren't usually lugging 150 g around, they're usually on 110 g or lighter bindings. The U pins don't notch nearly as quickly as their titanium counterparts, A nice characteristic of daily drivers. Price is on the lower end of most race bindings which is a plus. Durability of these seems much better than all of the other race bindings I've used.

I have two complaints, one is that you need to buy additional crampon clips, and they're oddly expensive, and second the heel piece is quite difficult to rotate into flat ski mode. Other than those these are great.
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bmiller (used product regularly)
The Plum Race 150 is a very nice binding. I have been using them for about 1 season and have put 30 days of skiing on them. They are mounted to Movement X Sessions which I remounted from a similar (but different) binding using Kreuzspitze plates. The binding replacement went pretty smooth but did require 2 new holds for the toe however the Kreuzspitze 14mm plates allowed use of existing heel holes and gave some adjust-ability (I see Plum has a similar conversion plate that could also be used).

The Plum Race binding is no frills, no fuss binding and does a super job keeping the boot attached to the ski for both the uphill and downhill. I have taken these touring with sizeable packs and have had up to 190 lbs on top of them, they have done their job without notice in a wide range of terrain and conditions. Prior to trying this binding I was concerned about the single-position heel lift as my previous bindings had multiple positions and after using them I have not noticed any significant negatives of the single-position heel lift. The single-position is so simple and easy to use, it frees up time, I now find myself waiting for others to turn or flip lifters up/down, more than I would expect, it is nice to not have to do that. And without sacrificing comfort.

Besides just plain working (as would be expected) one of the major positives is that the bindings are so darn light, really light, I laugh at how light they are, every time pick-up the skis it is almost ridiculous but the pattern is: pick up skis, laugh diabolically, smile big-bigger, go skiing! Ya they are that nice, between working and being so light, very nice. When considering lighter weight equipment there is always the concern of durability, thus far I have had no durability issues, though they are still pretty new.

The one thing I do not about these bindings is the crampon attachment and crampon performance. Initially I was pretty impressed, looking at the design of the attachment and crampon, it’s pretty unique and works super well indoors but that is where it ended. Once in the wild the crampon attachment proved to be less than ideal. Issues observed are: 1. Snow/Ice gets in the crampon attachment which makes getting the crampon into the attachment difficult/fiddly and it is difficult to clear snow/out. 2. It is nearly impossible to attach the crampons without removing the skis. Between attaching straight down insert method and snow/ice (issue 1). 3. I feel like I am only one easy error away from breaking the attachment. With the snow/ice preventing proper insertion and the difficulty just lining things up, if you miss align the crampon and force it I’m pretty sure the beautiful/delicate attachment will break. Which for me is likely to happened in a cold, slippery and scary place. 4. Final crampon complaint: Performance, once attached the crampons do not move well uphill, this is in comparison to other crampons I have used, these feel like dragging anchors where others seem to lift up and let you slide/glide the ski a little once unweighted, verses a full step. Perhaps this is snow and ice left from the attachment issues that prevents movement or it is the crampon tooth shape, I am not sure. I’ll have to compare to my other crampons and look more closely next time I use them.
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stephen p (used product regularly)
This is a great binding and it weighs nothing. I have been skiing it on the Movement Session X all season about 40 days. And the heel piece combined with a radical toe I skied last year all season maybe 60 days. Here are a few things to note. One, the toe springs are outrageously strong, I no longer skin with the toe locked and have had no issues with that even on steep icy side hilling (though I would connect a leash for this). This is a very desirable aspect from a safety perspective as I also do not hesitate to ski the binding unlocked even in intense terrain or without the leash in suspect avalanche terrain. Two, it weighs nothing. Three, it is so simple. I can visually inspect the binding in seconds to make sure all is well before heading out. Also no twisting the heel or messing with lifters its all contained in one setting and I haven't missed having a high lift or an easy flat mode what so ever. One thing I don't like is the crampon attachment, while slick at first, I cant get the crampon it with a TLT6 boot. I have to remove the ski to add the crampon and for someone who is too lazy to add the crampons until I am literally sliding backwards down the run this is annoying. Also if you inadvertently jiggle the crampon while the boot is off and the ski is say stuck into the snow vertically the crampon can fall out and careen down the run. Trust me I just ordered a second set. One other thing for some reason I find the toe piece more prone to icing than radical toes. I don't really understand this but I think it may have to do with the wall thickness of the machined toe plate versus the cast and tapered dynafit one. I just pull out my flat head and scrape it clean if I am sort of nervous about the run or something so all in all not a big deal though could be if you are careless. I will say it earns 4.75 stars despite these drawbacks for being a race weight binding that you can confidently ski all season in any terrain.
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Question from Chris
Any known issues with these and La Sportiva boots in general? In particular the raceborgs?
Answer from Trace Leches
Hey Chris! We opted out of the Raceborg, so I can't comment 100% on the interface, but even if you get a bunch of trouble in walk mode, 10 minutes with a grinder/dremel/razor blade will do the trick. To my knowledge, the Sytron and the Raceborg have the same sole though and I tested that combo and came up with zero trouble, so I think you'll be all good as long as you have the newest edition of binding. The Race 150 with the old toe lever is the one that had some trouble with some boots in walk mode, the new toe lever helped that a bunch though.
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Question from GregG
How would these couple with Scarpa F1's?
Answer from Rebekah S
Hey Greg, just tested this combo. There is the slightest bit of interference between the toe piece and the stock boot rubber when the heel is in flat mode, but it's so small that if you stepped in and out of the binding a few times it would probably take care of itself. It's less than many other boot/binding combinations, and as always, a knife will clean it right up.
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Patrick (used product regularly)
Used for racing and training on atomic ultimate 65s with tlt5P boots. Durability, weight, and looks are all predictable and good. I have the older toe that has known lock/unlock issues, but I've yet to run into any issues myself. The toe lever force for release is pleasantly low, making transitions quicker. The step in force for the heel is also pleasantly low, and I've never had any issues with the heel prereleasing, even with pretty aggressive skiing in races. One complaint that I have about the toe is that for some ineffable reason, it is harder than I am accustomed to to find the right position for step-in. No binding that I own has step-in guides like the radicals, so I'm not used to that. I just find the entry more difficult-- a matter of a couple seconds effort at the most.
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Question from Richard
I recently took these bindings to get mounted for my new Dynafit PDG boot, but the rubber sole contacts the hing points for the toe piece preventing the boot stepping all the way down to the heel peice. Is this normal and can I do anything to ease this? The tech at the shop says he hasn't seen anything like this before and It seems to put a lot of torq and to the tow piece and I don't want to break anything. Thank you!
Answer from jbo
Hi Richard, yep! This can be a problem with a lot of boot/binding combos, but the PDG boots seem to have it more than most (including with Dynafit bindings, but even more pronounced with Plum toes). Simple fix is to remove some sole material in the contact spots.
Answer from jbo
Note I also see you have last season's Plum toes which you might have locking/unlocking problems with.
Answer from Patrick
Side note-- I have TLT5Ps and don't have this issue. Could be more sole wear, but I suspect it's a PDG problem.
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Question from joe j
Hi. Does this heel fit on the kreuz 14mm adapter plate slots? Thanks
Answer from jbo
Hi Joe, yes it does.
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Question from Aaron
When do you expect to be able to ship these?
Answer from jbo
Hi Aaron, Plum has been having some delays on these, not a clear date yet. Good news is the WEPA and Guide/Yak with rear brakes are on the way.
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Model: Race 150 UPC: 3700693404884

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