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A Question Regarding The New Campag 12-32 Cassette

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  • December 17, 2016 at 9:50 pm #26585
    S13SFC

    I currently haved a 12-29 on my Athena II equipped summer bike but Campag now produce a 12-32, which I’d like for the mountains in the summer.

    The question is, as I’m pretty crap at anything technical, will it fit straight on as is?

     

    Thanks in advance

    David

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  • December 22, 2016 at 2:54 pm #883669
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    Blackhound

    Since my last post  have just

    Since my last post  have just checked prices etc.  I knew the 32 cassette was from the Potenza groupset but did not know that it was 11 speed only, my current Chorus is 10 speed.  That would explain the shifters and I would imagine a rear derailleur.  Those three items are currently £335 at Ribble

     

    Going from 34/29 to 34/32 smallest gear changes the lowest gear from 30.9in to 28in according to the Sheldon Brown gear calculator.  Again, unsure how much I would notice this although ~10% lower gear sounds quite a bit.

    December 22, 2016 at 2:07 pm #883667
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    alotronic

    I thought the new Potenza was

    I thought the new Potenza was the only group that allowed a 32 rear on Campag? If that’s the case you shouldn’t go near a 32 on the other groups, you’ll kill something 🙁

    You will notice 3 teeth if you’re doing a TCR!

    Greatest Campag Groupset ever – Racing Triple. Now that was a thing of beauty and you good for the alps.

     

     

    December 22, 2016 at 2:04 pm #883665
    0
    Blackhound

    I spoke to a Campagnolo rep

    I spoke to a Campagnolo rep recently who suggested I would need new shifters if I went for a 32 cassette.  Unable to remember if a rear derailleur as well though.  So not cheap. He also said the new shifters are very good and an improvement on the older Chorus model I have.

    Waiting to see if I get a place on the TCR  before deciding as I will need more than 34/29 climbing the Alps with a loaded bike.  I am wondering if I will really notice three extra teeth though.

    December 21, 2016 at 3:00 pm #883663
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    davel
    CXR94Di2 wrote:
    beezus fufoon wrote:
    CXR94Di2 wrote:
    On a long mountain climb, if you’re heavy in weight, more gears always helps.   Im going to Tenerife this winter and will be proud to use my 40T cassette, I dont care if I’m slow, but I will be comfortable whilst slogging up Mount Teide

    I’m not sure any number of teeth would equate to “comfort” up those climbs!

    …ok, I’m gonna ask – if you have a 40T casette for the mountains already, why not use that one?

     

    I think you’re confusing me with the original poster.

     

    Here in this thread is my 40T XTR(piccies) cass setup on my turbo trainer for testing.

    http://road.cc/content/forum/214350-transcontinental-gearing

    It works perfectly, I can even cross chain, but dont recommend it.

    That’s a beast.

    What’s the next one down, 36T?

    December 20, 2016 at 8:18 pm #883661
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    beezus fufoon
    CXR94Di2 wrote:
    beezus fufoon wrote:
    CXR94Di2 wrote:
    On a long mountain climb, if you’re heavy in weight, more gears always helps.   Im going to Tenerife this winter and will be proud to use my 40T cassette, I dont care if I’m slow, but I will be comfortable whilst slogging up Mount Teide

    I’m not sure any number of teeth would equate to “comfort” up those climbs!

    …ok, I’m gonna ask – if you have a 40T casette for the mountains already, why not use that one?

     

    I think you’re confusing me with the original poster.

     

    Here in this thread is my 40T XTR(piccies) cass setup on my turbo trainer for testing.

    http://road.cc/content/forum/214350-transcontinental-gearing

    It works perfectly, I can even cross chain, but dont recommend it.

    ah yeah, sorry – it was all those letters and numbers!

    December 20, 2016 at 7:43 am #883659
    0
    CXR94Di2
    beezus fufoon wrote:
    CXR94Di2 wrote:
    On a long mountain climb, if you’re heavy in weight, more gears always helps.   Im going to Tenerife this winter and will be proud to use my 40T cassette, I dont care if I’m slow, but I will be comfortable whilst slogging up Mount Teide

    I’m not sure any number of teeth would equate to “comfort” up those climbs!

    …ok, I’m gonna ask – if you have a 40T casette for the mountains already, why not use that one?

     

    I think you’re confusing me with the original poster.

     

    Here in this thread is my 40T XTR(piccies) cass setup on my turbo trainer for testing.

    http://road.cc/content/forum/214350-transcontinental-gearing

    It works perfectly, I can even cross chain, but dont recommend it.

    December 19, 2016 at 11:09 pm #883657
    0
    Anonymous

    Depends on the max teeth

    Depends on the max teeth allowed for you rear mech. Otherwise should go on no problem. Chain length could be an issue, and if your current chain has seen some miles it might be best to add a new one for the new cassette.

    December 19, 2016 at 10:35 pm #883655
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    beezus fufoon
    CXR94Di2 wrote:
    On a long mountain climb, if you’re heavy in weight, more gears always helps.   Im going to Tenerife this winter and will be proud to use my 40T cassette, I dont care if I’m slow, but I will be comfortable whilst slogging up Mount Teide

    I’m not sure any number of teeth would equate to “comfort” up those climbs!

    …ok, I’m gonna ask – if you have a 40T casette for the mountains already, why not use that one?

    December 19, 2016 at 12:14 pm #883653
    0
    CXR94Di2

    On a long mountain climb, if

    On a long mountain climb, if you’re heavy in weight, more gears always helps.   Im going to Tenerife this winter and will be proud to use my 40T cassette, I dont care if I’m slow, but I will be comfortable whilst slogging up Mount Teide

    December 19, 2016 at 10:46 am #883651
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    Dnnnnnn
    beezus fufoon wrote:
    that’s a definite maybe – it also depends on how long your hanger is on the frame

    to be honest I’m not sure you’ll even notice the difference between 29 and 32

    In the right circumstances, I’m pretty sure you would!

    December 19, 2016 at 3:50 am #883649
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    beezus fufoon

    that’s a definite maybe – it

    that’s a definite maybe – it also depends on how long your hanger is on the frame

    to be honest I’m not sure you’ll even notice the difference between 29 and 32

    December 19, 2016 at 3:25 am #883647
    0
    VeloUSA

    From http://www.campagnolo

    From http://www.campagnolo.com/US/en/Components/athena_rear_derailleur

     

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