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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 11-07-05, 03:43 PM   #1
brooklyn
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Fixed MTB for the street?

Without using a ENO hub, has anyone sucessfully converted at mtb frame with vertical dropouts into a fixed gear? I did a quick search and couldn't find to much.
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Old 11-07-05, 03:48 PM   #2
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no but here in DC i saw a track frame with mountain bike forks (full suspension) in front.
looked f****d up but i imagine it rode well.
also,, who the hell else has that?
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Old 11-07-05, 04:13 PM   #3
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mine is singlespeed .has enough chain tension to go fixed. had to use 1/8 inch chain and a few half links. beats the hell out of that piece of crap chain tensioner.
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Old 11-07-05, 04:24 PM   #4
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check this one: http://www.fixedgeargallery.com/2005/july/k_ekis.htm



First spanish fixie on the streets I knew about! Not the ENO but Kogswell hub, magic gear I guess. He has more pics and info on his site.
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Old 11-07-05, 04:25 PM   #5
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Cynikal and Trevor98 have done it with a Stump Jumper and some early 90's mtn bike frame. They got extremely lucky with gearing and chain

Last edited by GeogScott; 11-07-05 at 04:45 PM.
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Old 11-07-05, 04:34 PM   #6
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File your dropout a bit.

btw. Once the magic gear is found it's typically better to go with a pre-stretched chain to keep from having a loose chain in the matter of weeks.
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Old 11-07-05, 04:54 PM   #7
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I'm putting together a '93 Trek 930 SS right now. It looks like a 46/18 and a pre- stretched chain is going to work out perfectly.
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Old 11-07-05, 05:17 PM   #8
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I did it, tried it with a ghost chain ring first. It worked, but it came out at slow speed once. Probably would be ok with a freewheel though. It's in the "post your ss/fg pics" thread somewhere, search on schwinn probe if your interested. I've since been to the site that let's you enter your chainstay length and other specs, and tells you what gears will work. It's been linked to before, you can get to it thru sheldon's site, or you can click here if you want.
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Old 11-07-05, 05:25 PM   #9
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Quote:
Originally Posted by GeogScott
Cynikal and Trevor98 have done it with a Stump Jumper and some early 90's mtn bike frame. They got extremely lucky with gearing and chain

Slacking at work I see. Yeah I did it for a while but with a fixed road bike it was kinda pointless (for me). I just got lucky with the gearing (44x16). I am currently working on a polo bike by brazing a freewheel on a old wheel but that mtb frame has semi-horiz dropouts.
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Old 11-07-05, 09:31 PM   #10
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Quote:
Originally Posted by GeogScott
Cynikal and Trevor98 have done it with a Stump Jumper and some early 90's mtn bike frame. They got extremely lucky with gearing and chain
i was planning on using a early 90's stumpjumper as well. sounds like i may have something to do this weekend.
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Old 11-08-05, 08:47 AM   #11
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I've got an early 90's Rockhopper in the works, but I was planning on going the Eno route. Let us know how the Stumpjumper goes.
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Old 11-08-05, 09:46 AM   #12
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I converted a '96 Bianchi Grizzly to ss. I got lucky with the chain tension, so I was able to use the coveted 32x16 gearing without even needing a half link. I still slap on a chain tensioner when I go offroading, just for peace of mind.
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Old 11-08-05, 09:51 AM   #13
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can half links be used with any chains?
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Old 11-08-05, 09:58 AM   #14
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Quote:
Originally Posted by brooklyn
can half links be used with any chains?
Sheldon Brown has a nice section on how to make a fix conversion with vert drops work. It's somewhere in his fixed gear/singlespeed stuff. A friend of mine and I just built a fixed mtb with vert drops and Sheldon's advice for him to commute on it. We had to use a half link. It works great. I'm trying to get him to send me a photo.
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Old 11-08-05, 10:13 AM   #15
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I will check out his site later today to see if i can find anything.
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Old 11-08-05, 10:15 AM   #16
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Half links come in both 3/32" and 1/8". The pins tend to be a bit longish, so they fit on chains with different sideplate thicknesses.
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Old 11-08-05, 02:01 PM   #17
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It's all about filing the dropouts.
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