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Old 09-16-11, 04:01 PM   #1
Sean T
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13-25 cassette?

I've found myself in the 11 and 12 so rarely in races that I'm considering going to a 13-25. No, I'm definitely not a junior.
Has anyone used this setup in road races and how did you find it performed?
-Sean
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Old 09-16-11, 04:25 PM   #2
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I've never used it in a race - mostly on the principle that if I need something like a 25/26/27t, then I want an 11/12 for the descents.

I'd say get one,
give it a try,
if it works for you, then great, problem solved.
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Old 09-16-11, 04:59 PM   #3
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Sure. When I raced in the mid to late 80s I used a 13-24. That and 13-21 or 13-23 were the common cassettes. 52/42, 52/39 and 53/39 were the chainrings commonly in use. 12t cogs were for fast p/1/2s and poseurs who wanted to look like them.
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Old 09-16-11, 05:44 PM   #4
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i use 13-26 always, probably switching to 13-29 for 2012 which is what I raced a few years back also.

i just did this - 50x13 @ 120rpm is 36mph (seems low to me, i thought more like 38?).

i have no worries about getting dropped on the downhill of any hilly races. the more difficult is a race with a long, not that steep hill but you just have to either tuck or get on someones wheel or maybe burst a little.

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Old 09-19-11, 03:41 PM   #5
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Absolutely go to the 13-25
If you never use a 12, or an 11, why waste them?
Now you can have a tighter block.
And that just makes more sense.
13, 14, 15, 16, 17, 18, 19, 21, 23, 25
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Old 09-19-11, 03:44 PM   #6
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^
can only think of one race where i really needed an 11/12, and that was the pepsi stage at killington.
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Old 09-19-11, 04:56 PM   #7
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Strange how everyone seems to "need" the bigger gears, when only a generation ago, the pros were still using 52x13.

And yes, I know of the Pepsi stage. But that is one-off stuff of course. What speeds did the winners hit? 80kph?
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