Having a hard time finding a suitable 1/8" cog to drill for disk mounting
Recently bought a monocog and I would like to mount a fixed cog to the unused 6 bolt iso disk mount on the rear wheel for a fixed gear option. Boone makes an amazing Ti cog that does exactly this but the time to machine and cost are prohibitive. The instructions on www.63xc.com cite using a shimano DX cog. That and every other cassette cog or driver cog I can find are 3/32". So, where can I find a 1/8" cog suitable for drilling?
http://www.63xc.com/jasom/hubpre.jpg http://www.63xc.com/jasom/rotclamp.jpg |
Go to a LBS that sells BMX gear and ask for a cog. Shimano has 1/8 splined cogs for BMX and SS use.
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pm kogswell
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a splined miche track cog might work as well.
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3/32nds will work fine till you find an appropriate one...
somone who is handy with a drill should really make a whole bunch and start selling them. i'd be down for one! |
I think for now I'll use one of the spare cogs that came with the bike. I think the pack had 14,15,17,18. They just seem low quality is why I haven't gone for it yet.
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I've done a convertion that way. I used a cog from an old cassette I had and drilled it. The cog was tempered steel so I had to untemper it before I could drill though it by heating it up almost red hot and then dunking it in water. Drilled through no problem after that. Of course I had ruined 2 drill bits by then. The Boone cogs look awesome for this type of convertion. Too bad I stripped some of the threads on the hub trying this before. Should have spent a bit more time paying attention to bolting steel to aluminum. Good luck.
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Originally Posted by Re-Cycle
So, where can I find a 1/8" cog suitable for drilling?
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