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Old 03-15-12, 11:55 AM   #1
03staylo
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Frame Sizes, Road & Touring

Hi all,
I am looking at getting myself a touring bike and have seen a Cube Town which I have seen, I am currently on a Cube Attempt road bike 58cm frame, should a 58cm frame be the same for a tour bike? I am planning to go to a LBS though a few miles away and just researching atm.
Thanks,
Sam

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Old 03-15-12, 12:11 PM   #2
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need more data.. length of top tube and 'size' are not a locked together proportion..

when top tubes are not level, as I see that is not, seek out the virtual top tube length.
which is between the center lines through the seat and headtube,
parallel to a horizontal top tube, as if, it had one.

so a level top tube may be adding an inch or so to seat tube length,
and 'size' is often seat tube, center of BB to top of seat tube, length.

Last edited by fietsbob; 03-15-12 at 12:15 PM.
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Old 03-15-12, 06:00 PM   #3
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The answer is probably yes. What fietsbob said is correct. Most manufacturers size their bikes so that if you ride a 58 cm in one model, a 58 cm in another model will fit you, but there will be differences in geometry.
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Old 03-15-12, 07:17 PM   #4
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Quote:
Originally Posted by fietsbob View Post
need more data.. length of top tube and 'size' are not a locked together proportion..

when top tubes are not level, as I see that is not, seek out the virtual top tube length.
which is between the center lines through the seat and headtube,
parallel to a horizontal top tube, as if, it had one.

so a level top tube may be adding an inch or so to seat tube length,
and 'size' is often seat tube, center of BB to top of seat tube, length.
I'll have to disagree. The length of the top tube and the 'size'... i.e. range of cyclists' inseams that the bike are meant to fit...are, indeed, locked together. The length of the seat tube may not be what the 'size' is listed but the length of the top tube is certainly closer. The seat tube length for a given bike is going to be all over the map but the top tube length is going to fall into a very narrow range for any given 'size' bicycle.

The length of the top tube may vary from model to model depending on the intended use but, overall, if you fit on a 58 cm road bike, you'll probably ride a 58 cm touring bike.

That all said, the Cube Town doesn't look like that good of touring bike. Unless you are planning on touring off-road, a shock isn't of much worth on a touring bike. Even if you are touring off-road, the shock spec'd on the Cube isn't worth the hassle. The fork is a coil spring equipped pogo stick. The shock also raises the front end of the bike so that the bike looks like it has a sloping top tube.

For off-road touring, it's would be much better to have an air fork with a lock out for those times when you don't need the suspension. Pass on this one if you really want to use it for touring.
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Old 03-15-12, 08:21 PM   #5
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The "fit" measurements of all your bicycles should be the same.

"58 cm frame" isn't very much information. Measure your bicycle, and then compare it with the measurements of the one you want to get. If your current bicycle fits you very well, the new one should be the same measurements.

Park Tools has a measurement chart you can use to gather your information.
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