Help Me Choose, Part 1: 34s or 52s


Throughout our time doing this, we've tried to respond as well as possible, as quickly as possible, to customer inquiries.  For me, as with a lot of what we do, it's significantly borne out of frustrations I had as a consumer.  Now we are challenged more often by requests to make subjective judgements about our products and their use.  The three we get a lot of these days are 1) help me choose between 52s and 34s 2) help me choose between stock hubs and White Industries hubs and 3) what tire width do you recommend with Rails?

Jay does take a nice picture, doesn't he?

First, rim depth.  When we launched the 34 project, it was in large part a response to customer demand - "when are you guys going to do a shallower Rail?"  As riders, Mike and I were both more than satisfied with 52s, I'd enjoyed racing them and had some great results that I honestly thought (and still do) had a ton to do with the confidence that the Rail footprint gives.  Their objectively verified speed in the wind tunnel certainly seems to bear out on the road; the simply feel fast.  And, despite their depth, I've always found them to be super manageable no matter what the wind is doing. That last bit comes with the caveat that I spent the better part of three decades obsessed by learning and being able to predict how wind acts. Although I can definitively tell you that 52s behave better in wind than our old 38s, I'm probably better suited to dealing with wind than the average bear.  I'm also not light - 164 at last check.

People get obsessed with weight.  34 rims generally come in 60g lighter per rim than 52s (440 vs 500).  This puts a stock-hubbed build of 34s right around the vaunted 1400g mark.  I don't pay that much attention to weight, other than trying quite hard to not be fat when I go to stage races in Vermont, but 34s do seem to have some advantage in a moment of inertia kind of way.  I've never found 52s to be sluggish in getting up to speed, but 34s really don't mind getting out of bed.  There's the whole "any energy that you put into accelerating a wheel is returned to you in conservation of energy" argument, a balloon which for practical purposes I will pop with one pin: brakes.  Any time you have to externally slow your wheels, which may be a tap of the brakes or sitting up or sliding out of the slipstream momentarily, you chuck that one right out the window.  I'm not saying that conservation of energy isn't valid, but I am saying that it seems you pretty often don't get four quarters back for the dollar you spent accelerating.  

52s, on the other hand, feel fast.  They're a broadsword to the 34's dagger.  There's a route I ride a lot now, which is fairly straight with lots of small rollers, going north to south along my favorite body of water in the world (the Sakonnet River).  Upwind on the way south, bleeding for it, and blasting home with a tailwind, mostly you feel like you're trying to keep up with the bike (which made me appreciate how freaking hard Tour of Qatar must actually be).  52s work so well on that it's just crazy. 

I don't think I can sum it up better than by stating that 52s feel very fast, 34s feel very quick.  If you are concerned about handling them in breeze, 34s are invisible to crosswinds, and if you are reticent about being that guy (or girl) who's always rocking the deep wheels, go 34. 



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  • Steve K on

    I love my 52's! I'm 6' 1" and 210 and I ride them hard. I have 4 other pairs of wheels that haven't seen the road since I got the Rails. Whether it's a 95 mile road race, 50 minute crit or climbing, these are my go to's. I have the November hubs. If I new when I ordered these that they would be my #1's I would have upgraded the hubs (just because). The Novatech's have been flawless though.

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