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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 09-08-05, 07:13 PM   #1
Kurto
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27" Tires?

I'm looking to put cx tires on my bike, but am having a hard time finding much of a selection. Any suggestions? Also, it is possible to put 700c X 38 onto the 27" rims? Just a rumor I heard... Thanks.
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Old 09-13-05, 09:14 AM   #2
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No, you can't put 700c tires on 27" rims. And I'm not aware of any 27" knobbies.

If you have a bike with cantis on it you MIGHT be able to fit 700c wheels on it though. A road bike converted to a cross bike might not have a lot of clearance for knobbies and it can become a problem in mud.

But I converted a Gitane Tour de France into a cross bike by adding canti bosses and doing a rattle can repaint that worked nicely except for the mud clearance problem.

Rattle can paints generally are too soft and scratch easily but you can sometimes fine a clear topcoat that gets hard enough to protect the paint.
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Old 09-13-05, 11:47 AM   #3
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For knobby 27" tires, check thrift shops that sell old bikes. You can sometimes find an old 27" wheeled bike with knobby tires for 75 dollars or so. Maybe replace the tires with nashbar cheap-o's and re-sell the bike on Craigslist. Now that I think about it, that's really a long-shot.

Used to be you could find 27" tires in department stores and sporting goods stores that sold bikes, but that's getting pretty rare now.
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Old 09-13-05, 12:09 PM   #4
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Spend a little time googling "27" tire knobby". There are still a few around.

Here's a couple.

http://www.sheldonbrown.com/harris/tires/630.html

I have some chen ching's (spelling?). Google them.
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Old 09-13-05, 01:43 PM   #5
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Kenda makes a decent 27x1 1/4 with a 70 psi rating
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Old 09-13-05, 02:42 PM   #6
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Try this one:
http://greatadventuresports.com/site...125&SKU=TR2117
Club Roost
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Old 09-13-05, 04:09 PM   #7
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I have a set of similar tires and you have to be really careful of these on paved roads. The knobs are too small and too flexible. If you corner hard they just slide out from under you like an eraser.

I think that they would race fine if you took a wood rasp and cut 3/4's the length of the knobs off all the way around.

If you look at American knobbies you see that sort of thing since they seem to be trying to shrink MTB knobbies. If you look at European knobbies they use short knobs with a lot of space between them.

I've tried both under most conditions and the European idea works better for my money.
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Old 09-13-05, 06:21 PM   #8
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Thanks for the help, guys. I think I'm going to order some from Harris. I'll let you know how they work out.
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Old 09-14-05, 06:02 PM   #9
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I run the Club Roost 27" tires on my trails bike and they do.......
Alright!!!!!
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