Can you run a Campagnolo 12/29 with a standards 53/39 crank?
Moderator: robbosmans
Hi All,
This is my first post - Would love it if one of you could help me.
I currently ride in primarily flat conditions but on the odd occasion i do some hill work i would like to run a 12/29 cassette as I ride at a fairly high cadence.
I usually run a 12/25 campagnolo super record setup with 53/39 standard chain rings.
I expect to have to lengthen the chain but does anyone else see any reason why i can not change the cassette and chain length for hill work?
Look forward to hearing from you all.
Thanks
This is my first post - Would love it if one of you could help me.
I currently ride in primarily flat conditions but on the odd occasion i do some hill work i would like to run a 12/29 cassette as I ride at a fairly high cadence.
I usually run a 12/25 campagnolo super record setup with 53/39 standard chain rings.
I expect to have to lengthen the chain but does anyone else see any reason why i can not change the cassette and chain length for hill work?
Look forward to hearing from you all.
Thanks
If your rear derailleur can take a 29, sure.
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I and my brother changed 12-27t to 12-29t with 53/39 SR when we was in Italy (Dolomites and Granfondo Pinarello). We do this because chorus cassette cost less than buy a compact crank to use for only 2 month. Only notice a very little noise when inner ring-big cog. We dont change the chain. But again, we only use this for 2 month. My brother still have the 12-29t on a spare wheels.
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- bikerjulio
- Posts: 1900
- Joined: Fri Dec 11, 2009 10:38 pm
- Location: Welland, Ontario
Embedded in the question are three sub-questions:
1. will the upper jockey wheel have sufficient clearance to a 29T sprocket? - yes. you should read the RD instructions and adjust the "H" screw if necessary.
2. will a short cage RD have sufficient chain wrap for the combo? The total chain wrap is given by (29-12) + (53-39) = 31T. This is within the max capability of a short cage which provides full performance up to 32T (and performance past that, just not full).
3. in changing to a 12-29 will the chain length have to change? Maybe but not necessarily. If the chain was originally sized per Campy's small-small method then you should be fine. If the chain has any amount of wear then you should change it anyway when putting on a new cassette.
1. will the upper jockey wheel have sufficient clearance to a 29T sprocket? - yes. you should read the RD instructions and adjust the "H" screw if necessary.
2. will a short cage RD have sufficient chain wrap for the combo? The total chain wrap is given by (29-12) + (53-39) = 31T. This is within the max capability of a short cage which provides full performance up to 32T (and performance past that, just not full).
3. in changing to a 12-29 will the chain length have to change? Maybe but not necessarily. If the chain was originally sized per Campy's small-small method then you should be fine. If the chain has any amount of wear then you should change it anyway when putting on a new cassette.
There's sometimes a buggy.
How many drivers does a buggy have?
One.
So let's just say I'm drivin' this buggy...
and if you fix your attitude you can ride along with me.
http://www.youtube.com/watch?v=GekiIMh4ZkM
How many drivers does a buggy have?
One.
So let's just say I'm drivin' this buggy...
and if you fix your attitude you can ride along with me.
http://www.youtube.com/watch?v=GekiIMh4ZkM
I have 12/29 and 53/39 on one my bike, depending on the slack of your chain perhaps you don't need to change the chains. and also how often you cross chain, 53 and 29. Record and SR RD can take 29T
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2021 Basso Diamante SV-SR12 Disc EPS-WTO 60
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2021 Basso Diamante SV-SR12 Disc EPS-WTO 60
2023 Colnago G3X-SRAM AXS Force-Levante
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