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Cassette Size(13 posts)

Cassette Sizemaximacanuck
Aug 11, 2003 12:24 PM
I have been having trouble climing since I moved to Colorado from houston, I don't seem to have enough gear on my double.

What cassette ratio would you guys reccomend?

bigger than you have now I guessColnagoFE
Aug 11, 2003 12:34 PM
I use a 12x25 (campy 10 speed) for general use and have a 13x26 I use for climbing events.
Is the 26 much help?dzrider
Aug 11, 2003 1:05 PM
I have a triple and use a 23 for Connecticut and a 27 when I go into Vermont or New Hampshire.
not reallyColnagoFE
Aug 11, 2003 1:45 PM
but when I was getting the wheelset made up I opted for that gearing as it was to be a climbing specific wheelset. If I can't get up it with my 25 there is little hope for one bigger gear.
re: Cassette SizeMariowannabe
Aug 11, 2003 1:06 PM
For riding this summer in the Pyrenees I got a Campy 10 with the 13-29 cassette. It requires a slightly-fred-looking medium rear deraileur. But the 38-29 combo gives me the low gear for those really long ascents - like I imagine you have in Colo. And I don't need the totally-fred-looking tripple;-). In all seriousness, I want the double chainring for fast changes.
13-29 great performer, nice to have that 29 back there...Spunout
Aug 11, 2003 1:16 PM
I use mine on my everyday wheels, sometimes you don't hammer in the hills (real hills), on slower rides, touring, 'cross, etc. Also, recovery rides on the hills become possible as you can climb in zone 2 no problem.

Works great with a double, you could climb cliffs with a 50lb touring rig with that and a triple.
Wouldn't you have to change the rear derNo_sprint
Aug 11, 2003 1:39 PM
to a long cage? wouldn't you also need a new chain? it seems to me that this setup would make interchanging wheels with lets say my 11-23 nearly impossible, if I wanted to use my 11. just wonderin...
sort ofColnagoFE
Aug 11, 2003 1:49 PM
you can use the 13x29 with the short cage...just dont't shift to big/big or your der is toast.
Not that I ride in big/bigB2
Aug 11, 2003 3:09 PM
or have even shifted into that combo since I did the initial adjustment, but the short cage and 13-29 works no problem with plenty of excess capacity. It is against Campagnolo's recommendations though.

I'm using a chorus med. cage, no problems with any changes. nmSpunout
Aug 11, 2003 3:44 PM
13-29 great performer, nice to have that 29 back there...lemmy999
Aug 11, 2003 1:39 PM
Isn't 12-27 as far as you can go with Shimano (without putting on a MTB rear deraileur and cassette)?
Not reallyChen2
Aug 11, 2003 3:03 PM
Shimano says 27 is as far as it goes. My wife has a 28 on her Ultegra, works great. some people have gone as much as 30. More than that and you need a mtn derailleur.
campy or shimano?tarwheel
Aug 12, 2003 5:05 AM
If you've got a Campy 10 group, you could get a 13-29 cassette, which is great climbing in 39/29 combo. If you've got Shimano, 12-27 cassette is as big as you can go with a standard cassette unless you change to an XTR rear derailleur (which goes as high as 34 I think). I've got Campy and Shimano rigged bikes with those cassettes. The C-10 with 29 gear will definitely get up some some steep climbs but the Shimano 27 will handle most.