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Recreational Cyclocross and Gravelbiking This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like :The Dirty Kanza". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

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Old 04-12-07, 11:05 PM   #1
delay
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frame sizing

Should I really get my cross frame smaller than my road frame, or is that just a myth? If its true, why is that?
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Old 04-13-07, 11:52 PM   #2
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i would keep it the same

my felt road bike is a 58 & i have an 07 redline conquest that is also a 58 it fits and rides geat , in my opinion i would not go smaller as the top tube will be to short , once you climb aboard it will feel great , it may look a little taller than your conventional roadbike as cross bike tend to have a taller bottom bracket , just my two cents .
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Old 04-14-07, 12:49 AM   #3
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The bottom bracket is higher on a cross bike, so the seat tube is shorter with same sized top tube. Bikes are sized by the seat tube, so typically one gets the next size down. YMMV.
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Old 04-14-07, 04:13 AM   #4
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Quote:
Originally Posted by idcruiserman
The bottom bracket is higher on a cross bike, so the seat tube is shorter with same sized top tube. Bikes are sized by the seat tube, so typically one gets the next size down. YMMV.
The best answer yet on the difference between road and cross sizing.

Tim
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Old 04-14-07, 05:02 AM   #5
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I just ordered a Fuji Cross and went one size down from my road Fujis. Look at the actual toptube length of your road bike and compare that to the actual tt measurement of the cross bike. I have found that some manufacturers I would ride a 54, and a few where I would ride a 56.
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