Shim stack lefty 2.0- Mtbr.com
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  1. #1
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    Shim stack lefty 2.0

    I have a customer with bad small bump complience on a lefty 2.0.
    Does someone has some info about shim setup on a lefty 2.0 ?
    Which shims are in a hard and soft setup, and maybe a liniar curve of what they do. Thickness and sizes
    Will be much appiciated, cannot find much on the internet.

  2. #2
    Ridin' dirty!
    Reputation: cdalemaniac's Avatar
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    Did you try different weights of oil first? I switched to Spectro 2.5, and it made a huge difference from 5W I had in there before. Just an idea, as responses on this forum are rather slow......


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  3. #3
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    Will try, but i like to have more knoledge of valving, which change has what effect. So hope someone can tell me more

  4. #4
    Hybrid Leftys aren't real Moderator
    Reputation: MendonCycleSmith's Avatar
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    Send it to Cannondale.

    Let them deal with their designed obsolescence garbage.

    You can't change bearing preload any longer, which is likely the culprit. I see a lot come through with crazy high preload. No surprise considering it's now done by minimally paid wage slaves in China.

    Unless you have access to all parts, doubtful you can get your hands on a low speed compression check valve tuning kit, but that'll soften up low speed firmness, too.

    I'd also suggest removing most or all of the volume reduction, that'll reduce the firmness Cannondale seems to think everyone wants. Takes two minutes, makes a HUGE difference.

    Best advice? Don't work on stuff you don't know inside and out. I fix other shops botched Cannondale work all day long, and it sucks. 88+ is in the EU, and the place Cannondale blessed to work on their junk, have them deal with it.

    Cannondale sucks. They didn't used to, but boy, they sure do now.
    Cannondale Lefty and HeadShock servicing, wheel building, etc...


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  5. #5
    Ridin' dirty!
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    Quote Originally Posted by MendonCycleSmith View Post
    Send it to Cannondale.

    Let them deal with their designed obsolescence garbage.

    You can't change bearing preload any longer, which is likely the culprit. I see a lot come through with crazy high preload. No surprise considering it's now done by minimally paid wage slaves in China.

    Unless you have access to all parts, doubtful you can get your hands on a low speed compression check valve tuning kit, but that'll soften up low speed firmness, too.

    I'd also suggest removing most or all of the volume reduction, that'll reduce the firmness Cannondale seems to think everyone wants. Takes two minutes, makes a HUGE difference.

    Best advice? Don't work on stuff you don't know inside and out. I fix other shops botched Cannondale work all day long, and it sucks. 88+ is in the EU, and the place Cannondale blessed to work on their junk, have them deal with it.

    Cannondale sucks. They didn't used to, but boy, they sure do now.
    Damn man. Sounds like you didnít have enough coffee today....


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    "Common sense isn't always that common!"
    Custom Prophet and Custom Delta V

  6. #6
    Ridin' dirty!
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    This might help.



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    "Common sense isn't always that common!"
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  7. #7
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    Quote Originally Posted by MendonCycleSmith View Post
    Send it to Cannondale.

    Let them deal with their designed obsolescence garbage.

    You can't change bearing preload any longer, which is likely the culprit. I see a lot come through with crazy high preload. No surprise considering it's now done by minimally paid wage slaves in China.

    Unless you have access to all parts, doubtful you can get your hands on a low speed compression check valve tuning kit, but that'll soften up low speed firmness, too.

    I'd also suggest removing most or all of the volume reduction, that'll reduce the firmness Cannondale seems to think everyone wants. Takes two minutes, makes a HUGE difference.

    Best advice? Don't work on stuff you don't know inside and out. I fix other shops botched Cannondale work all day long, and it sucks. 88+ is in the EU, and the place Cannondale blessed to work on their junk, have them deal with it.

    Cannondale sucks. They didn't used to, but boy, they sure do now.
    Is there a pointer to the instructions to remove the volume reducers?

  8. #8
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    Put many trail miles on a 2016 FSI with a Lefty 2.0. Mine required the Lefty 2S upgrade to work properly. After the 2S mod and removing about 1/2 of the volume spacer, small bump compliance was much improved over stock. I was then able to see near full travel on most rides with very few resets ,using the the Cannondale recommended PSI for my weight. When I replaced the bike I had to move away from Cannondale and the Lefty after many years of being a diehard Cannondale customer.

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