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  1. #1
    Not-so-Senior Member
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    Orbea Enol roadie, Fly Micromachine BMX, Fort Track fixed
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    Disk hub flip flop?

    I found this on 63xc.com: http://www.63xc.com/jasom/milldisc.htm. It tells you how to bolt a sprocket onto a disk hub, for a useful fixed gear flip flop. Anyone ever done this? Is it safe? Any idea what the chainline would be? I'm considering doing it on a 9 speed hub, so I can have just one wheel for my 9/SS do-it-all bike (ah, the joys of removable derailer hangers ).

  2. #2
    BFSSFG old timer riderx's Avatar
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    Apr 2001
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    Boone makes a Ti cog to do this. A couple of my friends are running this. Chainline is perfect, quality is nice. See this thread.
    Single Speed Outlaw
    Riding Bikes and Drinking Beer.

  3. #3
    Senior Member
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    Any guess on how small a cog could be bolted on like that? I'm running a 32 tooth front ring and I'd hate to have to get a bigger ring to make it all work.

  4. #4
    BFSSFG old timer riderx's Avatar
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    The one in the picture is a 17t, I'm guessing you can't go much smaller than a 16t. Works for off-road in your situation, but not the asphalt.
    Single Speed Outlaw
    Riding Bikes and Drinking Beer.

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