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PostPosted: Sun Sep 02, 2012 9:50 pm 
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Joined: Mon Jul 31, 2006 6:49 pm
Posts: 427
I know we are all different, but I was just wondering how high are others seat with that kind of inseam=)

I for the life can seem to go over 70 cm, with around 8 cm seatback, other wise I have lots of pain in my lower hamstring and the outside of my knee?


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Posted: Sun Sep 02, 2012 9:50 pm 


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PostPosted: Sun Sep 02, 2012 10:43 pm 
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Joined: Tue Jul 18, 2006 5:18 am
Posts: 581
Location: Cambridge, New Zealand
That's about right for you - just under 70 is what I'd expect. Sore lower hammies is the classic indicator of high saddle.
Why are you trying to put it up?

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PostPosted: Sun Sep 02, 2012 11:07 pm 
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Joined: Fri Apr 18, 2008 12:55 am
Posts: 134
A good multiplier I use for starting bike fits is inseam x 0.885. This would put your rough SH at 69.7 cm.
Cheers


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PostPosted: Sun Sep 02, 2012 11:08 pm 
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funny you say that, just few weeks back when I got my new shoes, the guy at a store whom its their fitter put me on the trainer and had me a 72.5-73, I went home and dropped it down, it was no way I could sit that high. question, why would my left leg fee like its the one thats giving me power only at them bottom of the stroke, where the right feels like its giving me about 60%, when the saddle is higher, then I have the opposite issue?


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PostPosted: Mon Sep 03, 2012 3:01 am 
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Joined: Wed Feb 09, 2005 4:51 am
Posts: 1683
Its not a direct number thing. Lots of other stuff come into play.

Your flexibility ?

Your riding position ? Stretched out ? Upright ? Compact ? It will affect how your legs are stretched while riding, thus affect your seat height.

Your pedal system ? It will affect your stack height and can shift your seat height by a few millimeters.

Saddle used ? Some sag more than others and thus will also affect your seat height.

Seat-tube angle of frameset ? It will affect how far back you are on the bike, and in effect your seat height too.


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PostPosted: Mon Sep 03, 2012 5:03 am 
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Joined: Mon Feb 05, 2007 5:39 am
Posts: 654
Location: Winnipeg Canada
Ever tried the competitve cyclist fit?? Its ridiculous what it gives for seat height... On the competitive fit its trying to place me 2 cm higher than I am right now... for the heck of it, I jacked my seat up to that on the trainer.. it was hilarious.. could barely reach the pedals never mind generate any kind of power... Id be interested to see just where they grabbed that formula from they are using...


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PostPosted: Mon Sep 03, 2012 8:50 am 
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Joined: Tue Dec 20, 2011 7:03 am
Posts: 22
Hi,
I think this is a great post regarding seat height: http://www.stevehoggbikefitting.com/blo ... can-it-be/.
I also have 79cm-ish inseam and I run a 70cm saddle height, but I have relatively large feet and thick-sole shoes so those must be taken into account.
All in all there is no universal law can be applied in bike fitting. :beerchug:


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PostPosted: Tue Sep 04, 2012 3:15 pm 
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Joined: Mon Jul 31, 2006 6:49 pm
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yeah, competative cycling put me at around 72-73 cm, way way to high, so did my fitter, they must think that we are super flexible ect. My flex is medium, not best not worst, with my seat hight at 70 I can stay in the drop for a while.
im still trying to figure out why my left leg is trying to move forward more then then left. I just put 3mm of spacer under the cleat and will report back to tell you if it makes a differance, do you guys know if a narrower saddle would help me be more balanced? I have a romin evo pro 155, and I do love the comfort of it


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PostPosted: Tue Sep 04, 2012 3:29 pm 
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Formerly known as PezTech
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Joined: Tue Sep 26, 2006 12:37 am
Posts: 5680
Location: Phoenix Arizona
Starting points are starting points...

Given all the variables, being critical of one formula or another seems like a huge waste of mental energy. Raise your hand if you think it reasonable to expect any generic formula to be more accurate than +|- 5%...


You should expect a well trained fitter to get it dead right...

You should expect an Internet chat about it to be roughly the same accuracy as a dice role with one of these...

Image

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PostPosted: Tue Sep 04, 2012 3:42 pm 
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LOL!

OK, please point me to a great fitter in New Jersey, Parisppany, Bridgewater area=)

thanks


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PostPosted: Tue Sep 04, 2012 4:01 pm 
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Formerly known as PezTech
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Posts: 5680
Location: Phoenix Arizona
I would go across to Signature Cycles, 80 west end, nyny.

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PostPosted: Tue Sep 04, 2012 4:11 pm 
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Signature Cycles, sent them an email, thanks

how good are they? can you tell me more about them


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PostPosted: Tue Sep 04, 2012 4:14 pm 
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Formerly known as PezTech
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Joined: Tue Sep 26, 2006 12:37 am
Posts: 5680
Location: Phoenix Arizona
One of the better shops on the east coast. High end builds, customs etc and very good fitters in your general area.

If I lived some place near you, that would be the shop I used (when I wasn't still ordering from Fairwheel)

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PostPosted: Tue Sep 04, 2012 5:14 pm 
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Location: Hilly, Hot, and Windy
foot size too. You do, after all, pedal with your feet.

Starnut

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Posted: Tue Sep 04, 2012 5:14 pm 


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PostPosted: Fri Sep 14, 2012 3:39 pm 
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Joined: Mon Jul 31, 2006 6:49 pm
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I was wondering one more thing, what is everyones seat setback


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