Road Cycling “It is by riding a bicycle that you learn the contours of a country best, since you have to sweat up the hills and coast down them. Thus you remember them as they actually are, while in a motor car only a high hill impresses you, and you have no such accurate remembrance of country you have driven through as you gain by riding a bicycle.” -- Ernest Hemingway

Campy 12 speed

Old 03-08-19, 12:07 PM
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sultanofsuede
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Campy 12 speed

i'm probably going to get a record group set on my next bike and noticed that i can get a 32 or a 34 on my rear cassette. i'm getting older and leaning towards the 34, but wondered if anyone has any experience with this kind of configuration. is it too much? should i just get a mountain bike?
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Old 03-08-19, 04:29 PM
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Iride01
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Only you can say if that is too low a ratio. Assuming the front chainwheels will be the same size as what's on your current bike, then ask yourself how often you need what ever is your lowest ratio right now. For me, cassettes are a fairly inexpensive thing to change out. I wouldn't sweat too much about it.
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Old 03-08-19, 05:30 PM
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I'm running three 2x11 drivetrains, a 50 & 34 with a 11-32, a 50 & 36 with a 11-28 and I have a gravel bike with 46 & 33 with a 11-36.

Each has it's place, but the 50 & 34 with a 11-32 does everything very well.

If you have long climbs in the 8-20% range, the 50 & 34 with a 11-32 is sufficient. The 11-34 is of minor improvement.

Don't get a mountain bike unless you plan to be off-pavement 90% of the time.
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Old 03-08-19, 05:40 PM
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I'm pretty sure the only two choices on Campag 12 speed are 11-29 and 11-32.
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Old 03-08-19, 06:04 PM
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Originally Posted by raisinberry777 View Post
I'm pretty sure the only two choices on Campag 12 speed are 11-29 and 11-32.
Yup, https://www.campagnolo.com/WW/en/Com...ockets_12speed
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Old 03-09-19, 12:04 PM
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Originally Posted by sultanofsuede View Post
i'm probably going to get a record group set on my next bike and noticed that i can get a 32 or a 34 on my rear cassette. i'm getting older and leaning towards the 34, but wondered if anyone has any experience with this kind of configuration. is it too much? should i just get a mountain bike?
32 or 34 does not matter much except unless you are riding the ragged edge, but Im betting, without looking, the 12s 32 and 12s 34 are somewhat different in the mid range and high end. At least in Shimano 11s, the 11-32 are more different from the 11-34 that the 2t difference seem to suggest. I wasnt aware campy had a 12s 11-34?

Shimano 11s 32t vs 34t

Last edited by Racing Dan; 03-09-19 at 12:09 PM.
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Old 03-10-19, 08:08 AM
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I have a great new (old stock) road bike in which the gearing was too high. So I unwound the pins that held the 8-speed Shimano cassette together and replaced the 26 (low) tooth cog with a 32 that I binned from my local Co-op. I suppose I could have selected a 34: they had those as well.

​​​​​​​I have used bikes with cassettes with 24-34 single cog jumps. It works a lot better than you think it should, and the single large-cog bail-out gear saves having to convert to a triple crankset.

At the same time I replaced the useless 11 and 12 tooth cogs with a more useful 13 smallest. This all cost a buck. The shifting is great.

I've been running Campagnolo Ergopower since Day 1. I have multiple Campy-equipped road bikes. Great stuff.

Nevertheless, the Shimano 600 STI setup on my new (old) bike produces shifting as crisp and accurate as any any mechanical derailleur-based system I've ever used.

Last edited by Dave Mayer; 03-10-19 at 08:17 AM.
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Old 03-15-19, 10:31 AM
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you guys are right - biggest cog is 32. (not sure why i was thinking 34).
and the mt. bike thing was kind of a joke (at my own expense) that maybe a 32 is just gigantic and i should be ashamed to put it on a road bike (no?).
even so, i believe its probably a good thing for me (and my age). could use a little help every now and then on some of the bigger hills i encounter.
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Old 03-15-19, 10:53 AM
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Originally Posted by sultanofsuede View Post
you guys are right - biggest cog is 32. (not sure why i was thinking 34).
and the mt. bike thing was kind of a joke (at my own expense) that maybe a 32 is just gigantic and i should be ashamed to put it on a road bike (no?).
even so, i believe its probably a good thing for me (and my age). could use a little help every now and then on some of the bigger hills i encounter.
Hey the pros aren't ashamed of using lower gearing to take on the big climbs. why should we be. I looked at upgrading my chorus 11 speed to record 12 speed, and i decided going from a 29 to a 32 was not worth the $$. i would have been doing it for the "first kid on the block with a new toy" syndrome. if nothing else my 50+ years on this earth have taught me is that no one cares, and it doesn't make that big a difference. I always wind up with buyers remorse after spending big. so, i started training in earnest to make the big climbs more palatable and do-able. YMMV
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Old 03-15-19, 11:12 AM
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I went from 29 to 32 Campy and notice a SLIGHT improvement when climbing. Maybe I just don't climb steep enough hills!
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Old 03-15-19, 11:16 AM
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A two-tooth difference, in your lowest climbing gear, pales in comparison to how you're feeling on that particular day. I would say there's no appreciable difference.
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Old 03-15-19, 11:31 AM
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For me, the 32 on steep climbs doesn’t feel easier, it allows for a slightly higher cadence which keeps my legs moving. Keeps me out the low cadence death spiral.
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Old 03-15-19, 01:46 PM
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They've had a 29 for years , How about a triple crank... 30 instead of the compact double
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Old 03-15-19, 02:19 PM
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I climb hills steep enough that a 34/32 ratio is a must. It's all I can do to keep my cadence in the low to mid 60's, on some of the climbs. Lower cadence than that means you really need a larger sprocket. On really short climbs, I might ride standing in a 34/23 or 34/25, but as soon as I sit, it's past the 28 to the 32. I use a 12-32 11 speed Centaur cassette. The biggest three are 25-28-32. That's the same as 12 speed. I tried an 11-29 cassette briefly, but the 29 just didn't do it.
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Old 03-15-19, 04:05 PM
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Called Campagnolo NA today looking for some old repair parts. Couldn't get an answer. left a message. Got a call back, "Sorry - it's nuts. Everyone left to go to NAHBS so I'm the only one let and we just announced 12 spd EPS. It's been crazy."
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