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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 06-01-09, 09:57 PM   #1
archaicxrevival
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Campagnolo road wheels w/ FlipFlop Hub?

So I have never built a fixed gear before, but have an idea of what I want to build. I don't know; however, if this plan is possible and/or practical so I need some advice.

I'd like to build a bike w/ a FlipFlop set up. I have also found a set of Campagnolo road wheels that I fell in love with. Is it possible to use these wheels and do the FlipFlop hub? I'm guessing that the hub on these wheels may not work for a fixed cog and single speed set up. If not, what do I need to look for in a wheel that will allow it to be used in this set up? And can you recommend some unique wheels that would work?

Also, on the topic of FlipFlop hubs...

I'm aware that the chain line on a fixed gear is very critical. Can you really simply just flip the wheel around and have it in perfect alignment? I'm guessing this takes a lot of fitting/shimming. I know these questions are probably laughable to you, but should be easy to answer. So humor me a bit Thanks!

Nate
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Old 06-02-09, 04:40 AM   #2
HandsomeRyan
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On a wheel designed to be a flip-flop wheel such as these: http://bikeisland.com/cgi-bin/BKTK_S...ls&ProdID=1533 the hub is spaced at 120mm with the fixed cog and the freehwheel being at the same spacing from the centerline of the hub. The wheels are not dished so they do not need to be re-dished or shimmed to be flipped around.

The wheels you posted apear to be road wheels which use wider hubs and can not (generally) be converted to run fixed. There is a kit that can convert those wheels to run [freewheeling] SS but buying wheels like that to run SS is like buying an airplane to get free peanuts; it'll work but there are better ways to do it.

If you are new to FG and wheels/wheelbuilding your best bet is to buy an off-the-shelf FG wheelset so you can learn how they work before trying to get too fancy building your own. The one listed above is $99 shipped and should be more than adequate to allow you to determine if FG is something you are interested in. You can always resell them later if you decide you want to upgrade to something nicer.
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Old 06-02-09, 09:31 AM   #3
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Quote:
Originally Posted by archaicxrevival View Post
So I have never built a fixed gear before, but have an idea of what I want to build. I don't know; however, if this plan is possible and/or practical so I need some advice.

I'd like to build a bike w/ a FlipFlop set up. I have also found a set of Campagnolo road wheels that I fell in love with. Is it possible to use these wheels and do the FlipFlop hub? I'm guessing that the hub on these wheels may not work for a fixed cog and single speed set up. If not, what do I need to look for in a wheel that will allow it to be used in this set up? And can you recommend some unique wheels that would work?

Also, on the topic of FlipFlop hubs...

I'm aware that the chain line on a fixed gear is very critical. Can you really simply just flip the wheel around and have it in perfect alignment? I'm guessing this takes a lot of fitting/shimming. I know these questions are probably laughable to you, but should be easy to answer. So humor me a bit Thanks!

Nate
You will be able to use the front wheel, obviously off that kahmsin set, but the rear is a no go. Won't even be able to build a wheel with that rim on a flip flop hub. If the chainline is correct without having to respace the hub then flipping it should position both cogs in the exact same place. So yes, you'll be able to flip it.

The minute you have to redish/respace the rear for chainline problems, it won't work. What this means is that you need to take care of any chainline problems by twewaking the position of the front crankset to whatever the rear wheel gives you, out of the box.
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