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 Post subject: Road bike size help?
PostPosted: Wed Jul 15, 2009 10:48 pm 
South West Deputy AEC
South West Deputy AEC
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Joined: Mon Mar 27, 2006 9:16 pm
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Location: Wilts
Would i be right in thinking that, if i wanted a road bike and ride a 19" frame MTB i would need a 58cm frame.
I am 6ft if that helps.


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 Post subject:
PostPosted: Wed Jul 15, 2009 10:52 pm 
Old School Grand Master
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It's agood starting point. I'm 6' and ride a 57. With a road bike you will be told that length is more important than height. I had a ride on my old Alan and it felt huge. I almost got vertigo and I dread to think how many thousands of miles I did on it BiTD.

You can get DVDs and computer programs that guide you through it these days. Worth it if you are spending a fortune on a bike.


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 Post subject:
PostPosted: Wed Jul 15, 2009 11:11 pm 
South West Deputy AEC
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Great, i have my eye on a 58cm road bike at the mo :wink:
I think its about time i did some road stuff, purely for fitness, honest :wink:


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 Post subject:
PostPosted: Wed Jul 15, 2009 11:20 pm 
Retro Guru
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A 58ish should suit you fine Heathy, i've just got a 57cm and it's spot on for me 8)

edit: maybe you should've posted this in the new road bike section :wink:


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 Post subject:
PostPosted: Thu Jul 16, 2009 1:59 pm 
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I find sizing very difficult. My Giant SCR C4 road bike is marked as a 50cm/Medium for heights 5'7" to 5'11". They obviously have their own sizing system as I'm 5'9" and need a 54cm according to generic sizing charts. If you can I'd get along to a bike shop that will let you try different size frames on an ergo. Evans cycles do this for free.


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PostPosted: Thu Jul 16, 2009 2:57 pm 
The Guv'nor
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As mike says sizing a compact is slightly different.

However assuming standard geometry a 58 c-c will be a good start for someone 6 ft tall. Don't forget you'll need a flat 13 stem - anything less is 'unproffessional'.


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 Post subject:
PostPosted: Thu Jul 16, 2009 3:47 pm 
Retrobike's #1 Comedy Genius
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My Klein Q is 55cm.......I thought it would be a bit on the wee side, but if felt ok. I'm 6' but do have shortish legs in comparison to my torso. when I did the measuring and sizing thing using the Hinault/Genzling guide, it came out as 55cm spot on!!

If yer shellin' out a lot of moolah for a brand new bike, definitely have a try of a few different sizes and setups.


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PostPosted: Thu Jul 16, 2009 8:23 pm 
retrobike rider / Gold Trader
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Hi Heathy,

Go into a shop and try one for size it will give you the best idea. You could always go for a crosser and you can have the best of both worlds 8)...................especially if you shout "go on the beard" at a someone in a car you could make a quick getaway down the trails :lol:


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 Post subject:
PostPosted: Thu Jul 16, 2009 8:35 pm 
Old School Grand Master
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Lysander wrote:
My Klein Q is 55cm.......I thought it would be a bit on the wee side, but if felt ok. I'm 6' but do have shortish legs in comparison to my torso. when I did the measuring and sizing thing using the Hinault/Genzling guide, it came out as 55cm spot on!!

If yer shellin' out a lot of moolah for a brand new bike, definitely have a try of a few different sizes and setups.


Woo, I'm a tad less than 5'8" and I ride a 54cm road bike. Maybe mine is too big? :? Or you really do have very short legs :


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 Post subject:
PostPosted: Thu Jul 16, 2009 8:41 pm 
Road Moderator
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Joined: Thu Jun 18, 2009 1:07 pm
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Inside leg in inches deduct 10" and that is your ideal (traditional) frame size, personally I like to deduct 11" though.


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