Originally Posted by
carleton
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$30 Dura Ace and Euro Asia Imports (or similar) cogs are the standard and are used at every level of competition. There is no benefit of spending more than that for a cog. I'm not sure what extra value a $120 titanium nitride coated cog provides. The same is said about ceramic bearings.
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1+
The only time I'll spend money on any cog not Shimano is if it has "EAI" or "Campagnolo" stamped on the side, and all the Campy stuff is NOS at this point. The bike shop who sponsors our team did find some NOS 13 tooth Campy aluminum cogs. He sold them to us for very cheap. I keep waiting for it to wear out, but it is cut so true that I think it will last a long time as long as I run good chain on it.
I guess my attitude will have to change if I end up sometime with some proprietary hub/cog system such as White Industries. But you know, I got the track version of Shimano's chainwhip, and all of the sudden, all my cog swapping woes of the last few years are gone, so I don't think I need a weird system just so I can take the cog off my hub more easily. I mean, really, I'm more concerned with making my cog stay
on the wheel than getting it off...
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Cat 2 Track, Cat 3 Road.
"If you’re new enough [to racing] that you would ask such question, then i would hazard a guess that if you just made up a workout that sounded hard to do, and did it, you’d probably get faster." --
the tiniest sprinter