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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