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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 04-25-06, 07:09 PM   #1
bikekilldestroy
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Trying to make a cheap fixed gear

Hey all,


I got myself a road bike and i'd like to make it into a fixed gear for as cheap as possible.
I know with the front sprocket i can pretty much just use whatever size i want and adjust the chainring bolts. My main problem is what to do with the rear cassette. Can i just keep whatever size cog i want and take the rest off making some sort of spacer and weld it in place ?

http://s81.photobucket.com/albums/j222/bikekilldestroy/ are pictures of it


Thanks.
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Old 04-25-06, 07:16 PM   #2
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Old 04-25-06, 07:58 PM   #3
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The formula track hub, or Nashbar track hub are both considered good durable hubs. The Suzue basic and Junior, and Sovos hubs are considered OK by some, garbage by others, depending upon who you listen to, they will eithere require more maintenance, or fail spectacularly. either way, it's not worth the twenty bucks you'll save get the Formula or Nashbar hub. Surly, Miche, and Suzue Promax are also considered good, but they cost a bit more
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Old 04-25-06, 08:04 PM   #4
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www.sheldonbrown.com
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Old 04-25-06, 08:30 PM   #5
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Do a search for bumbike. Just remove the current freewheel and thread on a cog. Cheap and easy. Just do us all a favor and leave the breaks on.
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Old 04-25-06, 09:13 PM   #6
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I thought this type of wheel was a cassette type w/multiple cogs not a freewheel. If i can just thread on a cog, what type do i need to get and do i need some sort of spacer for the chain alignment also if i can just thread a cog on do i still need to weld/immobilize the coasting aspect of the hub?

I'm ******** when it comes to anything over a 20" bmx so sorry if i come off as a little dumb.
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Old 04-25-06, 09:21 PM   #7
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that's not a cassette hub. it's a freewheel hub.

search for "bumbike" or "suicide wheel".
then go read sheldon browns fixed gear conversion page.
then go buy a real track hub.
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Old 04-25-06, 09:28 PM   #8
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i originally welded the cassette on my conversion, but i made the mistake of riding it with no brakes so the only thing that held the cassette to my hub was 30 years of rust and old age, eventually i hit a rather large pothole while skipping and completely destroyed the rear wheel....

then i upgraded..



thats a durace cog and a bottom bracket lockring threaded onto a road freewheel hub on my old conversion, i used large amounts of red locktite because i don't have brakes..but i would greatly reccomend using brakes if you are going to suicide hub it.
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Old 04-25-06, 10:39 PM   #9
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Whatever you do, get some new tires, and soak the chain in some kind a stuff
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Old 04-26-06, 10:27 AM   #10
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Remove the kick stand as well ...
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Old 04-26-06, 03:07 PM   #11
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I'm mechically inclinded and know bikes so i know the obvious stuff. Would getting a cog and a lockring and maybe welding that into place work well ? Where can i get cogs and lockrings that will work.
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Old 04-26-06, 04:02 PM   #12
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Locktite works.

http://loosescrews.com/index.cgi?d=s...d=334318510812

http://loosescrews.com/index.cgi?d=s...d=334318510812
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Old 04-26-06, 04:18 PM   #13
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I took the wheel off to get the freewheel off, and alas its a freehub. So back to square one i need to search out a freewheel wheel in order to get this done.
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Old 04-26-06, 04:48 PM   #14
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BikeKillDestroy, how did you determin that its a freehub? I'm almost... nay completly sure its a freewheel and that you can just remove it [with the right tool]. Your LBS should do it for no more then $5 if that.
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Old 04-26-06, 05:21 PM   #15
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They told me it was, and when i double checked the spoke protector clearly says.. "for freehub"


I could take a picture of it if you like, but there are no slots for the freewheel which initially made me think.
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Old 04-26-06, 05:26 PM   #16
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i will send you a beer if that's a freehub...
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Old 04-26-06, 05:28 PM   #17
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Take the wheel off and post a picture square-on of the cog assembly in question.
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Old 04-26-06, 05:47 PM   #18
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The exact words of the bikeshop dude was that it was some sort of "early" cassette.
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Old 04-26-06, 05:54 PM   #19
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Is it a helicomatic or something?
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Old 04-26-06, 07:06 PM   #20
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http://bikepartsusa.com/product_info.phtml?p=01-142610
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Old 04-26-06, 07:21 PM   #21
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For a suicide hub, use a bottom bracket lockring instead of a track lockring - the threading is different.
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Old 04-26-06, 07:25 PM   #22
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Quote:
Originally Posted by jim-bob
Is it a helicomatic or something?
that ain't no helicomatic. the lockring thingy ain't there.

to the OP, nice name.
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Old 04-26-06, 07:29 PM   #23
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and i think i owe the op a beer.
pm me your address, i'll get it out in the next day or so
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Old 04-26-06, 08:04 PM   #24
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Yea i was looking at it and didn't think it was a freewheel, but to be sure i went there and the dude started to say it was a helicomatic, then corrected himself saying it was pretty much just an ancient cassette. Whatever the case i'm still on the lookout for a freewheel setup so i can rock a ghetto fixie ****!
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Old 09-20-06, 05:31 PM   #25
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Long awaited update. Finally got a wheel and made my bike. Works like a charm, i used the "rotafixa" method to keep the cog on the freewheel hub. I should really put some loctite on there eventually.


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