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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 08-17-04, 01:38 PM   #1
little5guy
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Can I have two front chain rings?

The cranks on my old Takara that I am fixin to make into a fixie are old cottered Suginos but seem to be in decent shape. The problem is if I want to have just the 40 tooth chain ring I have to get new cranks because only the 52 chain ring is attached to the cranks and the 40 tooth is bolted to the 52. The question: can I just leave both chain rings on and use only the 40 tooth one? It won't look terribly cool, but it should not be a problem.

Has anyone else do this?
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Old 08-17-04, 01:47 PM   #2
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sure.
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Old 08-17-04, 02:13 PM   #3
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...I had a similar setup - I used a hack-saw to cut off the offending big ring, looked quite gruesome.
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Old 08-17-04, 02:39 PM   #4
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Now, would that be SS? or a fixed gear?
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Old 08-17-04, 02:52 PM   #5
gilby
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As long as you can get a straight chain line, shouldn't be a problem. My single speed conversion just kept the triple chainring on the front w/the chain on the middle ring, and used spacers on the rear hub to keep the chain line straight. I don't know if you can use spacers on a track threaded hub, though.
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Old 08-17-04, 03:03 PM   #6
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I use a tensioner that allows you to switch between two chainrings. It is a Paul Melvin. It effectively makes your bike into a two-speed single-speed. Hmmm...doesn't really make sense.
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Old 08-17-04, 03:37 PM   #7
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I've seen a lot of bikes where they just ground off the teeth on the larger chainring, then it kinda functions as chainguard to keep your pant leg away...
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Old 08-18-04, 01:51 AM   #8
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Use the 52 it'll turn you into a solid ass biker.
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Old 08-18-04, 01:59 AM   #9
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Have exactly the same problem, the crankset is old campa and the small ring is riveted to the large one. Beeing slightly anal on how the bike looks I will try to drill the rivets and bolt the small one but that´s me.......It works perfectly fine as it is and it also minimizes the problem with pants stuck in the chain
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Old 08-18-04, 04:20 AM   #10
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check out the dual sided drive



spotted in Poland
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Old 08-18-04, 07:20 AM   #11
jfmckenna
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Quote:
Originally Posted by Bikkhu
check out the dual sided drive



spotted in Poland
WTF??????



HEy little5guy maybe you are poorer than I am but when I had that problem I picked up a used Sugino road crankset for 10 bucks at a junk yard type LBS
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