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Old 01-06-10, 07:57 PM   #1
daltri1
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Shimano 11-23 to 12-25

I just bought a set of SRAM s80's for my tri bike....I'd like to keep my stock wheels on for training and switch out the s80's for racing. To make the change simple, I am going to buy a new cassette to put on the s80 rear. My current cassette is 11-23. Is there a problem w/ buying a 12-25 for the s80, or should I stick w/ buying another 11-23? Are there advantages with a 12-25?
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Old 01-06-10, 08:35 PM   #2
sirious94
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if anything you should put a 12-25 for training and a 12-23 for racing. with a 12-25 you should be able to climb higher hills easier, so for triathlon..........no.
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Old 01-07-10, 04:47 AM   #3
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No tech reason why the 12-25 won´t work.
As for advantages/disadvantages..... erm, depends on the course! I train in a hilly area so have a MTB 11-28 cassette.
Are you running compact cranks?
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Old 01-07-10, 08:44 AM   #4
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Yes, I have compact double crank.....Shimano Ultegra 39/53.
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Old 01-07-10, 08:54 AM   #5
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that's not a compact...
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