Singlespeed & Fixed Gear - Disk hub flip flop?

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Jonny B

06-15-04, 12:26 PM

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 :) ).

riderx

06-15-04, 12:50 PM

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 (http://forums.mtbr.com/showthread.php?t=24792).

familyman

06-15-04, 02:07 PM

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.

riderx

06-15-04, 03:56 PM

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.