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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 09-13-07, 12:20 PM   #1
mavimao
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Dilemma with Wheelset...

OK, I am converting an old road bike and I'm deciding whether or not I should get the 27" wheelset from this place


http://cgi.ebay.com/TRACK-FIXED-GEAR...QQcmdZViewItem

Or get the 700c wheelset from bicycle wheels.
http://shop.greatdealsonbikes.com/me...tegory_Code=TR

I am having a hard time deciding because I already have a pair of decent tires on the bike right now (Continental Ultras) which are 27" and I'd hate to have to buy new tires and tubes on top of new rims (not to mention a new brake to reach the smaller rim). But I also know that 700c is the standard nowadays for road/fixed gear bicycles and maybe I should upgrade with the idea of getting a more modern frame to slap these components on.

I'm also curious at how 700c wheels look on a bike made for 27" rims. Is it noticeably smaller?

Thanks for your help.
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Old 09-13-07, 12:22 PM   #2
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if you use 700s on a bike designed for 27s, you may have problems with your brakes reaching the rims. a long reach caliper MAY solve this issue.
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Old 09-13-07, 12:22 PM   #3
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It's an 8mm difference.

http://sheldonbrown.com/tire-sizing.html
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Old 09-13-07, 12:27 PM   #4
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Originally Posted by mathletics View Post
I am aware of the size difference between the two wheels, but I'm looking more for advice on what size to choose. Would I be crazy to go with 27"? Is it fairly common to go 27? A matter of taste?

I really want to get this conversion done right and not go "dangit..I should have gone with so and so" after all is said and done.
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Old 09-13-07, 12:39 PM   #5
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you should go 700c just for price/tire options. 27'' are dinosaurs.
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Old 09-13-07, 02:49 PM   #6
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What frame are you using?

I would also recommend 700 for the availability of rims/tires/tubes. 27" wheels are effectively obsolete. You probably will not have a problem finding a brake that will work.

As far as aesthetics, the difference in size is visually noticeable but minor, and probably significant to only a small group of people. It will look fine.
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Old 09-13-07, 02:53 PM   #7
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I went with 700cc wheels but my brake did not work. Anyone have any suggestions for a brake that will work?
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Old 09-13-07, 05:01 PM   #8
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Originally Posted by orbThorn View Post
I went with 700cc wheels but my brake did not work. Anyone have any suggestions for a brake that will work?
You probably have 500 calipers and need 710. Look at Harris or YellowJersey. You can also measure the distance from the brake hole to the middle of the rim to find the reach you need and search for calipers based on the length in mm.

To the OP: You asked if the 700c look noticeably smaller, to which I replied it's an 8mm difference. Less than a centimeter. You won't notice that they are smaller. As already stated, go with 700c. It's the standard, so you'll be much happier when you're looking to buy new tires or whatever.
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Old 09-13-07, 05:17 PM   #9
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I'd go 27". Most of the time it makes the bike look anaemic when people transfer from 27" to 700. This can be remedied by using 700 x 32 tyres, but it doesn't seem like a widely used option.

Sure you get more tyre choice with 700c but I like a couple of the 27 tyres on the market and they're cheaper. And why worry about the extra expense of new tyres/tubes if you've already got some?

I had also once pondered the "buy 700s so I can transfer them later" question. In the end though, I realised that I'd always be able to find a use for them. There's plenty of nice, cheap (sometimes free!!) frames around just waiting for a nice 27" wheelset.... If worse comes to worse you could always sell them later.
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Old 09-13-07, 05:43 PM   #10
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FWIW, glorycycles has gatorskins on sale right now in 27 x 1 1/4.
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