Join Date: Feb 2007
Location: Tariffville, CT
Bikes: Tsunami Bikes
Mentioned: 2 Post(s)
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You had steel cogs? The ti/steel setups have pinned pairs of cogs, so it's hard to combine a 12-25 with something to make it an 11-25. I did it on the cheaper cassettes but on the nice ones I can't do it.
In the past I ran all sorts of custom cassettes, like one for a crit with a big hill (I think it was a 12-21 plus a 26, 7 speed). With 10s it's much less necessary.
The other day I was thinking about my old setup - 54x42 (or 45), 12-21 or 11-21. I seemed to think that was fine for everything. A 23 was unusual. Now people are running much smaller gears, even me - a 39 (horror!) and a 25 (double horror!). Even a 23T seems to be as small as I'll go in a crit - buying an 11-21 didn't seem to make sense.