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This also is lower than the published spec of 350mm...

Exactly this. I need longer cranks, but before I pull the trigger on my brand new S5 (or S6...?) Turbo Levo - I need to know exact BB clearance with 170mm fork, slack position, flip chip set to high. Are you sure it's only 335mm? That's going to be a big problem for me.... What tyre widths do...

Plus sized tyres are a good shout. What's the max you can put on a Levo...?

An S1 frame is sized for riders of, what, up to 5'4" - something like that. And an S6 is for 6'4" and up or something like that. And all the other S's are for rider sizes in between. But when Specialized (and every other MTB and EMTB manufacturer) specced out the geometry for these frame sizes...

You understand my issues!! One has to ask, what on earth are Specialized thinking in putting the same sized crank and BB clearance on their S6 as they do for their S1. That’s just nuts. But all the manufacturers do it….

Spesh quote 350mm clearance. Is that flip chip high or low - anyone know…?

Cheers - I bought my analogue hard tail which came with 165mm. I tried to get on with these for 6 months. There were fine for short rides, but anything more than 3 hours in the saddle and I’d start to cramp. Switched to 175mm (same as my road bike), and those longer rides felt much better. Pedal...

Or whether the pedal strikes would be too much…

Haha - not for you. I’m trying to figure out whether I could do this…

I’m a wee bit taller, so XL for me. At a guess, do you reckon you’d be OK with 170mm…?

Hi all - I'm new here, though an experienced road and analogue hardtail rider. I started on this forum a couple of days ago with a post on the Canyon thread. (Has got quite a bit of traction, and relevant to anyone interested in crank lengths). And I want to pick this up here.... I'm in the...

Thanks for this discdigger. Yours was the 1st response and I should have picked up on this before now. That's an interesting read. If you started on 175 cranks, I'm guessing you're quite tall...? And now you've bought 150mm. Wow. That's a heck of a change. Will be interesting to hear how you get...

Let’s keep it in proportion guys. I’m not arguing for longer cranks for all; just a PROPORTIONAL approach. Are there lots of different factors that go into selecting ideal crank length? Yes. Does this create a complicated picture for bike manufacturers? Of course. Has it been shown that...

I agree if you’re not going to be doing a lot of full out hard spinning, then shorter cranks makes perfect sense. But many E-MTBers still want to go for a max workout. The e just helps crank up the speed and endurance - not about reducing the effort. That goes for me anyway.

They do actually. The difference is that a pedal strike is likely to be more catastrophic on a road bike coz of the higher speeds. But they all design to have lowest possible (and safest) centre of gravity. BUT they do also take a PROPORTIONAL approach to crank length.

Would you like to tell all the road bike manufacturers that?

Look, unless bike manufacturers take a consistent approach and acknowledge that with different size riders you need different sized frames AND proportional sized cranks, they’re going to be open to criticism. And rightly so. Flipping this around, would you argue that the smallest riders must...

Are you saying there is also no demand for XL frame sizes for XL riders?

Hmmm… 2% overall or 2% of tall riders? Let’s rephrase the question. Do you think only 2% of XL riders would choose the same length crank as Small riders, if given a choice? And let’s assume pedal strikes are not a factor, which they wouldn’t be if that XL frame came with correspondingly higher...

I agree the question isn’t just ‘why don’t ebike co’s spec longer cranks’, but neither do I think it is ‘when will they make bikes with higher bottom brackets’. Not quite, anyway; it’s more nuanced than that. The real question is, ‘why don’t ebike co’s take a proportional approach?’ So higher...