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Seat height – sore hip :(

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  • March 2, 2013 at 2:13 pm #18115
    slowclimb

    I’ve moved my saddle height and now I have an achy right hip after about 2 hours. Does anybody have any foolproof saddle height calculations that take crank length into account. All the formula I can find don’t seem to factor in crank length, surely they make quite a difference?

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Viewing 8 replies - 1 through 8 (of 8 total)
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  • March 4, 2013 at 9:29 am #719831
    0
    slowclimb

    Thanks for all the help. I’ll
    Thanks for all the help. I’ll give your suggestions a go and let you know how it goes.

    March 3, 2013 at 9:38 pm #719829
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    Welsh boy

    A good rule of thumb is from
    A good rule of thumb is from the platform of the pedal to the top of your saddle measured with the crank in line with the seat tube (ie maximum extension) should be 110% of your inside leg measurement. This accounts for crank length but not very thick soles on shoes

    March 3, 2013 at 9:35 pm #719827
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    Welsh boy

    I would be inclined to say
    I would be inclined to say that 175mm cranks are a bit long for your inside leg, any chance of borrowing some 170 ones off a mate to try?

    March 3, 2013 at 8:41 pm #719825
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    Gman59c

    I had a professional bike fit
    I had a professional bike fit done a couple of weeks ago and ended up with the following measurement 84cm inside leg with 172.5 cranks-

    Saddle Height (centre of bottom bracket-top of saddle) 80cm
    Saddle Set Back (nose of saddle behind centre of bottom bracket) 6.5cm

    The guy spent a fair bit of time looking at saddle fore/aft positioning and cleat positioning. It’s only been a couple of weeks since getting the fit done, but it was well worth feel much more comfortable on the bike now.

    March 3, 2013 at 5:29 pm #719823
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    ConcreteTV

    With seat height and crank
    With seat height and crank length I tend to err on the side of lower than too high/long. 175 cranks hurt my knees. I have a 78cm inseam. I ride a 170 on my commuter and a 172 on my trainer. Both are Sram compacts.

    March 3, 2013 at 10:42 am #719821
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    slowclimb

    Hi chaps thanks for the
    Hi chaps thanks for the responses. 175mm cranks and 83cm inside leg.
    I forgot to measure the old settings 🙁

    March 2, 2013 at 9:10 pm #719819
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    mhtt

    no formula will take into
    no formula will take into account your hip flexibility, and very few if any will take into account your shoe size, cleat position, fore-aft seat adjustment etc. why not move the seat back where it was comfortable?

    March 2, 2013 at 4:55 pm #719817
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    Welsh boy

    The answer is no, i dont have
    The answer is no, i dont have a fool proof calculator but lets start with inside leg and crank lengths. What is your inside leg measurement and what length cranks are you using?

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