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Road Converted fixie with 650 front wheel and matching fork?

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Road Converted fixie with 650 front wheel and matching fork?

Old 02-07-05, 05:08 PM
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Road Converted fixie with 650 front wheel and matching fork?

is anyone currently running this setup? if so, drop some pics. Opinions on this setup?
id like to know what changes will be had and how noticable they will be. more or less likely to experience toe overlap?
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Old 02-07-05, 05:28 PM
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Cynikal
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I'm looking into the same setup. Trying to find a cheap 650 steel fork. This is proving to be a bigger issue that originally thought.
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Old 02-07-05, 05:30 PM
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Are you talking about taking a frame designed for 700c wheels and swapping both the front fork and wheel for 650c to get a pursuit type geometry?

If you had a bike with fairly relaxed angles you could probably do this easily. Probably the hardest part is tire clearance wrt to the frame rather than toe overlap, though a lot depends on the fork.

I ran an old Raleigh track frame with a 650c front for a while as thats what I had lying around. It was ok, a little twitchy but not so bad. Theres a picture here:

http://www.tinyblueplanet.com/bikes/raleigh.jpg

You could see that swapping the fork for a 650c could potentially not leave enough room under the top tube for the wheel.

About the only other issue is that the ride may not be so great, due to the angle of the fork and head tube wrt to the direction of bumps etc. If you look at funny bikes such as this Mercian:

http://forums.roadbikereview.com/showthread.php?t=23823

You can see they have quite sloped head tubes which I believe are there not to only to get the right wheelbase but also to help ride quality.

I say go for it and report back
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Old 02-07-05, 05:32 PM
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I would think that the angles and geometry would be all screwed up and such, but then again I've never tried it, and I don't know squat about bike geometry.
Try it!
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Old 02-07-05, 05:38 PM
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a while ago i ran into this on ebay. it never sold so maybe itll get reposted. You could also try to email the sender, through i dont know if thats legit or not.

http://cgi.ebay.com/ws/eBayISAPI.dll...e=STRK:MEWA:IT
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Old 02-07-05, 06:27 PM
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Erich Zann
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I remember last winter I got a flat on my 700 front wheel and threw on a 650 as a replacement. I rode it for a couple of months. The novelty was great at first, but in the end the geometry was much better riding the bike with two 700 wheels.
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Old 02-08-05, 09:57 AM
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Originally Posted by Erich Zann
The novelty was great at first, but in the end the geometry was much better riding the bike with two 700 wheels.
youre probably right about the novelty factor wearing out... it would be fun but its not as practical as riding with two wheels of the same size. mismatched looks neat though.
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