Campagnolo 12-Speed

Discuss light weight issues concerning road bikes & parts.

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Miller
Posts: 1884
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Location: Reading, UK

by Miller

seamaster76 wrote:
Sat Sep 12, 2020 2:13 pm
Oil leaking is located here, everything happened since I tried to adjust the reach of the brake (not of the lever).
As I recall, reach adjust just flips a tab that affects the brake lever rest position. If you have an oil leak inside the ergolever then the banjo hasn't been installed correctly, or the hose is damaged, or the bleed screw is loose. It would have to be something like that.


Vespasianus
Posts: 104
Joined: Thu Jun 11, 2020 10:15 pm

by Vespasianus

Miller wrote:
Thu Sep 17, 2020 12:41 pm
seamaster76 wrote:
Sat Sep 12, 2020 2:13 pm
Oil leaking is located here, everything happened since I tried to adjust the reach of the brake (not of the lever).
As I recall, reach adjust just flips a tab that affects the brake lever rest position. If you have an oil leak inside the ergolever then the banjo hasn't been installed correctly, or the hose is damaged, or the bleed screw is loose. It would have to be something like that.
Yeah, I would add a bleed syringe to the top of the caliper and see if the system was over-filled in some way. When you do this, take off the rear wheel and pads and install the brake block.

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seamaster76
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by seamaster76

Miller wrote:
Thu Sep 17, 2020 12:41 pm
As I recall, reach adjust just flips a tab that affects the brake lever rest position. If you have an oil leak inside the ergolever then the banjo hasn't been installed correctly, or the hose is damaged, or the bleed screw is loose. It would have to be something like that.
Vespasianus wrote:
Thu Sep 17, 2020 1:43 pm
Yeah, I would add a bleed syringe to the top of the caliper and see if the system was over-filled in some way. When you do this, take off the rear wheel and pads and install the brake block.
Thanks Gents, really appreciate your help.

System was filled again but, after 24h holding the brake lever, leak is still present. :noidea:

LBS will send the *right* lever in Campagnolo. Hope to receive good news in a couple of weeks.

:beerchug:

XCProMD
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by XCProMD

Tadej Pogačar was running a 14 - 29 T cassette on his V3R on the final climb in stage 20 of the TDF... 14 -16 - 18 - 19 - 20 -21 -22- 23 - 24 -25 - 27 - 29 x 50 - 36 front.

GaBa
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Joined: Tue Jan 14, 2014 6:01 pm

by GaBa

Is that 100 %? I listened The Move podcast and Yohan Bruyneel said his cassette started with 15 tooth, someone from the peloton (probably UAE?) told him. It is not really relevant, but it shows that cassettes with different ratios can be made.

This types of cassettes (starting with bigger sprocket) would be great for juniors. I do not know how it is in other countries but in Slovenia there are restrictions regarding ratios junior are allowed to use.

barbaar
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by barbaar

GaBa wrote:
Wed Sep 23, 2020 8:27 am
Is that 100 %? I listened The Move podcast and Yohan Bruyneel said his cassette started with 15 tooth, someone from the peloton (probably UAE?) told him. It is not really relevant, but it shows that cassettes with different ratios can be made.

This types of cassettes (starting with bigger sprocket) would be great for juniors. I do not know how it is in other countries but in Slovenia there are restrictions regarding ratios junior are allowed to use.
Ofcourse difference ratio's are possible, they have been possible in 9/10/11/etc speed. No reason why they should not be possible for 12-speed.

But the question is probably what ratio will sell best. Campy decided upon the current 3 (11/29, 11/32 and 11/34). Personally, I would opt for a 11/25 for flat NL.

Regarding the junior ratio; again, probably not commercially viable for Campy?

jgpallero
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by jgpallero

barbaar wrote:
Wed Sep 23, 2020 8:40 am
GaBa wrote:
Wed Sep 23, 2020 8:27 am
Is that 100 %? I listened The Move podcast and Yohan Bruyneel said his cassette started with 15 tooth, someone from the peloton (probably UAE?) told him. It is not really relevant, but it shows that cassettes with different ratios can be made.

This types of cassettes (starting with bigger sprocket) would be great for juniors. I do not know how it is in other countries but in Slovenia there are restrictions regarding ratios junior are allowed to use.
Ofcourse difference ratio's are possible, they have been possible in 9/10/11/etc speed. No reason why they should not be possible for 12-speed.

But the question is probably what ratio will sell best. Campy decided upon the current 3 (11/29, 11/32 and 11/34). Personally, I would opt for a 11/25 for flat NL.

Regarding the junior ratio; again, probably not commercially viable for Campy?
Traditionally the cassettes for junior and lower categories were provided by Miche. And now Miche has cassettes for Campagnolo 12s: viewtopic.php?f=3&t=150738&start=3270#p1608658

XCProMD
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by XCProMD

GaBa wrote:Is that 100 %? I listened The Move podcast and Yohan Bruyneel said his cassette started with 15 tooth, someone from the peloton (probably UAE?) told him. It is not really relevant, but it shows that cassettes with different ratios can be made.

This types of cassettes (starting with bigger sprocket) would be great for juniors. I do not know how it is in other countries but in Slovenia there are restrictions regarding ratios junior are allowed to use.
It was a 14 T starting cog. Yes, the ratios are those I listed, they wanted 1t jumps from 18 to 25.


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GS100
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Joined: Fri Nov 27, 2015 12:00 pm

by GS100

Lack of 12t- cassette was what put me off going to 12 speed for an ongoing bike build.. I just don't need the 11t and always found it a poor compromise on terms of wear, shifting and efficiency. Has Miche quality improved in recent years? I had a terrible 10s cassette from them a while back which jumped and wore out very quickly and since then only used Campag.

On the power meter chat a few pages back, I'm a stages LH user (gen 2) campag record and works well albeit gets through the coin batteries. Oh and I thought cranks were now hollow carbon from Chorus up (at least from 11s 2015) but could be mistaken.

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ultimobici
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by ultimobici

GS100 wrote:Oh and I thought cranks were now hollow carbon from Chorus up (at least from 11s 2015) but could be mistaken.
11 speed cranks were hollow on Record & Super Record, solid on Chorus. 12 speed Super Record is the only hollow one now.


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Alexandrumarian
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by Alexandrumarian

GS100 wrote:
Wed Sep 23, 2020 11:34 am
Lack of 12t- cassette was wha
It is not popular to complain about this, but yeah, id too love to have a 12-27 for the flat ride wheels. Otherwise i have no incentive to switch over from 11s 12-25.

As for miche, had a 11s 11 32 recently. Shifted great but after 3000km when i put a new chain ... Straight to the bin. It was cheap but centaur is almost as cheap and lasts 2 chains. Not to mention chorus which seems indestructible.

GS100
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Joined: Fri Nov 27, 2015 12:00 pm

by GS100

ultimobici wrote:
Wed Sep 23, 2020 1:08 pm
GS100 wrote:Oh and I thought cranks were now hollow carbon from Chorus up (at least from 11s 2015) but could be mistaken.
11 speed cranks were hollow on Record & Super Record, solid on Chorus. 12 speed Super Record is the only hollow one now.


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Thanks, this is a bit puzzling though as 'ultra hollow tech' is labelled on everything chorus up in their 2015 catalogue..(this is informing my 11s crank choice that I'm using in my build, so would be good to know for sure). I realise hollow cranks were always Record and up for 10s..

Sorry for the slight thread deviation.

GS100
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Joined: Fri Nov 27, 2015 12:00 pm

by GS100

Alexandrumarian wrote:
Wed Sep 23, 2020 1:15 pm
GS100 wrote:
Wed Sep 23, 2020 11:34 am
Lack of 12t- cassette was wha
It is not popular to complain about this, but yeah, id too love to have a 12-27 for the flat ride wheels. Otherwise i have no incentive to switch over from 11s 12-25.
Exactly! Completely squanders the benefit of the 12th cog for my type of riding - rolling terrain, using a 12-27 on 52/39, currently 10s but about to go to 11s on the same 12-27 range)

Butcher
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by Butcher

If the reviews are good, I guess I will be dumping the EPS SR11 for a SR12. That was my biggest issue was the cassettes Campagnolo were offering. They originally indicated that they were going to make more versions, but sadly, it does not appear Campy will.

Not everyone has mountains to climb and I'm willing to say, many do not. I understand there may not be a market for a close ratio cassette, but I say, make it and they will come.


barbaar
Posts: 57
Joined: Tue Aug 11, 2020 11:40 am
Location: NL

by barbaar

Has anyone tried campy 11 speed chainrings (53/39) on 12 speed system?

Those 12sp chainrings are hard to buy. And I thought I have seen someone claiming they are compatible...

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