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- Joined: Tue Feb 05, 2013 2:17 am
Quick question about sizing.
I know i shouldbe fitted but i have been fitted twice and got 2 different sizes.
The giant website says that a L frame for my height of 6' is suitable.
When i fill in those fit calculators with all body measurements, it recomends a top tube of 59.5cm.
The giant L has a top tube of 57.5cm.
Is there a world of difference between a L frame and an XL?
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For general riding you are better off with a slightly shorter top tube allowing for a more upright position with less weight on your hands.
On the other hand if the primary use for the bike is racing, a longer top tube will give you a more aero position.
However even then a shorter top tube may still be best, as it’s easy to adjust for a more aero riding position by fitting a longer stem, but it’s impossible to adjust the bike fit if the frame is too big.
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