Shimano's largest road cassette is 27, Campy is 29. But you can put a mtn bike cassette and derailleur on the back of the road bike to get lower gearing. I did - XTR and the cassette is 34 so I have a 12 - 34. I did it because of a cross country trip but like it so much have kept it on (plus I can't find the 27 - think I loaned it to someone and never got it back). Shifting is a tad clunkier but love the granny when needed!!!!
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05-05-2006, 12:17 PM #1
Club rider NOT!
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BCIpam - Nature Girl
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05-05-2006, 03:28 PM #2
Team Embolism
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Fascinating (or not). The new combo for the Campy triple is 30/42/53 which is even better for me. But it is cheaper to order an entire new crankset than to replace individual rings.
That seems silly to me. My cranks are fine.
Sarah
When it's easy, ride hard; when it's hard, ride easy.
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05-05-2006, 07:38 PM #3
heh heh
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The bike shop made a mistake and should rectify it. Possibly the mechanic grabbed what he had and thought it was good enough.
Probably, though, he stayed out too late the night before, greatly imbibing nectar, in which case his brain synapes where not firing all that well when your bike came in. I mean, that's why he's working at a bike shop and not NASA."If I weren't the maid, I'd fire me."
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05-05-2006, 12:25 PM #4
Sue
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Hmmm.... got me wondering - I've got about 20,000 on my Giant and the cassette's been replaced once (at about 16,000). The Trek 7500FX has 7 or 8 thou... same cassette. I'm thinking that "medium performance" demands mean using those puppies for longer, maybe?
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05-05-2006, 12:26 PM #5
back of the autobus
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Originally Posted by barrb46
AWM is dealing with a different issue here.
AWM's bike shop put on a cassette with a smaller number of teeth, which would make it more difficult for her climb hills. They changed the cassette to a different (smaller) size without telling her.
That was unacceptable behavior on the part of that bike shop.
- Jo.
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05-05-2006, 01:28 PM #6
TimeTrial Wannabe
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Its interesting to read these posts and see so many of you identify your front chain rings as either double or triple.
Remember that your front chain rings can be in different sizes too, and are just as important to your type of riding as the rear casstte.
My training bike has a 52/39 up front
... and a 27/13 (9 speed) on the back
I'm also with JoBob on this one
That bike shop displayed shabby and shameful practice in not replacing the cassette so it matched the original. It is extremely unprofessional to make such a fundemental error. And if it wasn't an error, why on earth didn't they mention the change when the bike was collected - or better still, ring up and ask if the a change in cassette would be ok BEFORE the change was made!!!
Last edited by RoadRaven; 05-05-2006 at 01:39 PM.
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"I will try again tomorrow".
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