Home Forums News Podcast | Measuring Up: Crank Length, Q-factors, and beyond

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  • Podcast | Measuring Up: Crank Length, Q-factors, and beyond
  • stwhannah
    Full Member

    Chipps, Hannah and Benji talk crank length. Mostly because in the staff chat Hannah said ‘I want shorter cranks’ and Chipps said ‘But, levers’ and Ben …

    By stwhannah

    Get the full story here:

    https://singletrackworld.com/wp-content/uploads/2023/06/podcast-measuring-up-crank-length-q-factors-and-beyond/

    BruceWee
    Free Member

    I quite enjoyed the first 7 minutes and 40 seconds but then it just loops back to the start so I’ve no idea what the rest is like.

    tmays
    Free Member

    Yeah something’s up with this one, seems to repeat/skip around a bit? Hard to keep track of what was going on

    rfreeman
    Full Member

    The podcast contains six minutes of chat, repeated several times. Please fix! Would like to hear more.

    rfreeman
    Full Member

    I was drawn to this by mention of crank length. While 175mm cranks may fit the mythical average rider perfectly, as someone with significantly-longer-than-average legs, they don’t fit me. I wonder what the population’s average leg length is?

    1
    cannondalem500
    Full Member

    Fast forward to 26 minutes and the podcast then doesn’t repeat again.

    edit: spoke too soon as it jumps around after that point

    stwhannah
    Full Member

    Sorry, something weird has happened when we’ve exported the file. Mark is on with trying to fix the glitch.

    rfreeman
    Full Member

    It starts repeating another section (battery removal, Cragg Vale) at about 30mins in.

    Edit: missed Hannah’s post because I was too busy listening.

    1
    Mark
    Full Member

    Should be fixed now. Sorry about that. No idea how that happened.

    malamutte13
    Free Member

    I read the posts above and at 8 hours after posting (and 4 hrs after the last comment suggesting it’s fixed) the Apple podcast version seems to still be skipping every 6 minutes (3 times)…didn’t get past that so if its still going I’m assuming the rest of the pod is still jumping around too?

    malamutte13
    Free Member

    And I only got 6 minutes in but for DH biking moving from 175mm to 155mm cranks changed everything for me.  Not sure you guys got to that in the discussion but I still continue to up my times and overall the bike feels far more plush & stable now w/ the 155s plus much less ability to rock-strike. So yeah, never going back.  Not sure this would work as well for trail / enduro, maybe just 10mm or so…I haven’t scienced or art’d that out yet.

    tjaard
    Full Member

    Yeah, it loops at least 3 times. By that time I was at least 1/2 through so I gave up.
    can you reload it without the loop back sections? It seems it would be fun to listen too.

    BruceWee
    Free Member

    It was mostly fixed for me (on Spotify) but then it started looping again at around 35 minutes.

    1
    mert
    Free Member

    I was drawn to this by mention of crank length. While 175mm cranks may fit the mythical average rider perfectly, as someone with significantly-longer-than-average legs, they don’t fit me. I wonder what the population’s average leg length is?

    Average leg length is about 32 ish inches for an average ish bloke of about 5 foot 10 ish (Europe).

    175mm cranks are also about the maximum length for someone with average legs.  (They were too long for me. Despite being pretty average.)

    Leg length isn’t that tightly linked to Crank Length though, it’s more about Hip, Knee and Ankle flexibility with a side order of leg length. Those with long legs can use longer cranks, but quite a small limitation from “perfect” flexibility will the crank length you need come down a lot.

    (This is all based around pedally things, not gravity stuff.)

    stwhannah
    Full Member

    Hi folks, we think it’s a case of the old file being cached in various places. The right file is there in the system – a bit of classic ‘turn it off an on again’ IT support might help get whatever app you’re using to pull through the latest file.

    1
    stwhannah
    Full Member

    I just remembered, I promised a dog photo in this podcast.Dog

    BruceWee
    Free Member

    No, still looping back at 35:25 even after restarting everything, trying different browsers, trying spotify, etc.

    mtbfix
    Full Member

    Isn’t looking back/circular conversation the very nature of the stw pod?

    rfreeman
    Full Member

     > I wonder what the population’s average leg length is?
    Average leg length is about 32 ish inches for an average ish bloke of about 5 foot 10 ish (Europe).

    175mm cranks are also about the maximum length for someone with average legs.  (They were too long for me. Despite being pretty average.)

    That makes sense. Treating 175mm as an indicative upper limit and scaling that up to my leg length gives 216mm (the implied accuracy is spurious). I use 200mm and 210mm, have a slight preference for 210mm when conditions allow (tarmac or gravel, with no rocky bits trying to grab my pedals), and feel no urge to try anything longer.

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