By looking at the specs on Redline's website it seems that the only difference between the 48cm and 50cm bike is the seat tube length. Am I currect in assuming this? It's wierd how they measure their bikes, I have a 50cm Redline right now that has a 50cm seat tube of 50cm c-c and about 55cm c-t but a top tube of only 52.2 and I have a slightly longer stem on there, a 110 because I ride a road bike with a 54cm top tube and 100m stem. Now, I know that people say that when you're sizing a bike it doesn't really matter what the seat tube is as long as the top tube is your size but the whole reason why I got the 50cm is because the 52cm which had a top tube of 53.5cm had a seat tube c-t of like 57cm so I actually couldn't get my seat down low enough. If everything but the seat tube is the same on the 48cm and 50cm I'm actually thinking bout going for a 48cm but the bike shop said it would be too small for me? But how would it be too small with the same size top tube and a c-t seattube of like 53cm? My current road bike has a seat tube length c-t of 50cm but TT of 54cm. Anyone have any comments about this?
Dave |
How tall are you? I'm 5'5" and a 48cm Redline Team CX is a perfect fit.
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I'm 5'7'
Dave |
I've heard "Redlines run big" but I'm not sure what that means. Sounds like your best choice is keeping the 50cm you have. Why are you thinking about getting the 48cm ? Does the 50 feel too big?
I'm not sure you can go by the 2003 geometry that's listed on their website and some of it just seems plain wrong. |
I also believe Redlines run big. For example I am 6'2" and my Conquest Tour is a 56cm when I would normally ride a 58cm on most other bikes. As long as the bike fits fine, I guess it doesn't really matter what the size sticker says.
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Again, it doesnt matter how tall you are, but what your inseam is. I have always been told that when it comes to cyclox you should go 1 size (frame size) smaller than you would a road bike. I have a 32" inseam and ride a 56cm.
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Isn't sizing fun? For whatever reason I'm often between sizes, and I've bought and sold a few bikes trying to get it just right. For me, it's better to go through the trouble of doing the exchange than to try to make a big or small frame by other means.
I say try to find a 48 and do a side-by-side comparison. |
Having just spent a lot of time trying to find the right cross bike, let me pass on a couple thoughts. In general bike fit is all about stand over height and top tube length.
I went to a local LBS and was measured for a bike. A system similar to, but a little more complex, than the system used by Zinn. http://www.zinncycles.com/newfitform4.aspx. I took the "bike recommendations" and went shopping. I found myself "fitting" on several sizes, depending on brands. Gunnar, Redline, Bianchi, Ridley. Using the measurements I was "fitted" to a different "sized" bike in every case. Ended up going for Gunnar steel! Fits Perfect. Either use the Zinn link for measurements or get measured. I wish I had done so long ago and eliminated a lot of the guess work I have been suffering through. |
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