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Bike fit question

Old 06-05-08, 09:40 AM
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lt1aggie
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Bike fit question

I'm looking to get a new bike. I went to one bike shop and was measured. After looking at a book, he told me I needed a 62.8 cm frame. (I'm 6' 4"). The bike I want (Jamis Quest) is only made up to 61cm. The guy at the bike shop told me that 1 or 2 cm isn't that big of a deal and adding a longer stem would work for me. (There aren't any that big in the shop for me to try). I was wondering if this is in fact true, or if he is just trying to sell me a bike. The reason I wonder is because if I were shorter, then 1.8 cm would almost be another size up (like 56cm to 58cm). I know the geomoetries for bikes are all different, but do you think 61cm with a stem will be good enough? I want to make sure the bike fits me. Thanks
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Old 06-05-08, 10:14 AM
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johnny99
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2cm is not that big a deal, especially in bigger frame sizes. You should test ride the bike to make sure the handlebars are not too cramped or too low. Also test ride some other brands; maybe they will fit you better.
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Old 06-05-08, 10:21 AM
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lt1aggie
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I would like to test ride some, but stores don't seem to generally have large sizes in stock.
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Old 06-05-08, 12:02 PM
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"he told me I needed a 62.8 cm frame" As you apparently know not all frames are measured the same and not all frames are the same geometry. When someone says they need an "x" sized frame you still don't have enough information on which to make a good purchase decision. I'm guessing the guy at the bike shop measured your inseam and and calculated frame size based on that. Educate yourself a little on basic frame fitting. Do a search on this site on "bike fit" "frame size" etc. As long as you don't end up with excessive saddle to bar drop and you don't need a crazy long stem then the frame you select is probably not too small.
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Old 06-05-08, 02:01 PM
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You might try a 63cm bike from Trek or Cannondale, as they are the only 2 mass-market names that make frames in this size, and there will usually be a few 63s kicking around in a LBS to try out. Test rides are the only way to guage comfort, the more the better. At some point, a bike will just feel right.
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Old 06-06-08, 01:54 AM
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umm, he's trying to sell you a bike.
get a 62 or 63.
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