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  1. #1
    breathing helium
    Reputation: cocheese's Avatar
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    help me make sense of XLR & PBR Lefty choice

    I am expecting a 29er with Lefty soon. I have the choice of the 2011 PBR or XLR 29er. I have read the literature, but can some of you Lefty experts explain this to me in simple terms?

    I am going to be riding mostly cross country and doing some endurance racing with it. The frame will be Ti and will be run with the 321 type headtube adapter.

    Thanks for the help!

  2. #2
    YB1
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    One Euro catalog I saw made it look like 29'er Lefties this year come in 4 flavors, two carbon and two alloy. You can get XLR which is bar mounted remote lockout or PBR which stands for Push Button Release.
    Emory Kalahari Kruiser

  3. #3
    breathing helium
    Reputation: cocheese's Avatar
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    So, outside of the location of the lock out mechanism, they are essentially identical?

  4. #4
    LA CHÈVRE
    Reputation: Dan Gerous's Avatar
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    A bit of not too technically deep info can be found here. The PBR is a bit lighter too since it doesn't have the remote, the hose and additional fluid.

    DAN.GEROUS.NET : MOUNTAIN BIKING : CYCLOCROSS : ROAD :

  5. #5
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    The only difference between the PBR and XLR is the remote. You can actually retro-fit the XLR remote to an existing PBR.

  6. #6
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    Quote Originally Posted by wv_rider
    The only difference between the PBR and XLR is the remote. You can actually retro-fit the XLR remote to an existing PBR.
    OK, so what's the difference between DLR & PBR then?

    Andy

  7. #7
    LA CHÈVRE
    Reputation: Dan Gerous's Avatar
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    Different damping charateristics, the DLR has a lever lock-out that turns, with no blow-off, when you lock it, it will stay locked no matter what until you turn the lever back. The PBR has a button you press to lock it. The PBR and XLR have a blow off meaning that when locked, if you hit a big enough bump or drop, it will unlock. The blow-off point are adjustable internally. I think it's a good idea as you don't have to think about unlocking it and it helps protects the seals that, on the DLR, take a lot of pressure when you hit things with the lock-out on, do that too often and the seals will eventually fail and need to be replaced...

    DAN.GEROUS.NET : MOUNTAIN BIKING : CYCLOCROSS : ROAD :

  8. #8
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    i havent seen a definitive answer yet... but are the xlr or pbr mechanism able to be retrofitted to a 110mm carbon sl dlr2?

  9. #9
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    You will be able to put a complete XLR or PBR damper into the 110mm Carbon SL DLR2. The thing is that the new dampers are 100mm.

  10. #10
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    Quote Originally Posted by wv_rider
    You will be able to put a complete XLR or PBR damper into the 110mm Carbon SL DLR2. The thing is that the new dampers are 100mm.
    Do you have a reference for any of this? Lock-out with blow-off would be a desirable retrofit for my Lefty Speed (alloy) & I don't see 10mm as a drastic difference, tbh.

    Andy

  11. #11
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    yes, the interface is the same...the new dampers will fit into previous year SL structures so I've been told.

  12. #12
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    Quote Originally Posted by Dan Gerous
    The blow-off point are adjustable internally.
    Does this apply to the 2010 PBR (I have a Max Carbon 140)?

  13. #13
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    I was wondering about this as well; the Flash 29er 2 that I have my eye on has PBR, but I'd really like a bar-mounted lockout. So is it the case that I can buy the XLR lockout kit after-market and retrofit to a PBR Lefty?

  14. #14
    LA CHÈVRE
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    Quote Originally Posted by Crossmaxx
    Does this apply to the 2010 PBR (I have a Max Carbon 140)?
    As far as I know, yes, it's adjustable but I would double-check, I haven't played much with that Lefty model.

    DAN.GEROUS.NET : MOUNTAIN BIKING : CYCLOCROSS : ROAD :

  15. #15
    breathing helium
    Reputation: cocheese's Avatar
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    Thanks for the help everyone. I chose the 2011 Speed Carbon 29er XLR.

  16. #16
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    Quote Originally Posted by cocheese
    Thanks for the help everyone. I chose the 2011 Speed Carbon 29er XLR.


    I rode one in July and it was awesome! Very solid lockout and the lever/button has a very good feel.

  17. #17
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    A related question, is the PBR basically an in house version of the Fox RLC system for lock out force adjustment, if a bit less adjustable?

  18. #18
    mnt bike laws of physics
    Reputation: yogiprophet's Avatar
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    Quote Originally Posted by amillmtb


    I rode one in July and it was awesome! Very solid lockout and the lever/button has a very good feel.
    By SOLID, do you mean very rigid when locked out like leftys of old?
    I am wondering if the 2011 leftys are as rigid when locked out as my 2007/2008 models. I know there is a blowoff valve now, but my question is if the blowoff is not engaged is there any give like the Fox forks.

  19. #19
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    My 2010 lefty max is back at cannondale for some warrenty work due to a top out feeling with every cycling of the shock . Does cannondale instal the lock out hard ware or does your lbs? Will this kit work with the 2010 pbr? Also if I just deside to keep the pbr set up can it be made to require more force to activate the shock? Thanks

  20. #20
    FIRENZE rulez !!
    Reputation: eliflap's Avatar
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    here pics
    Attached Thumbnails Attached Thumbnails help me make sense of XLR & PBR Lefty choice-hpim0980.jpg  

    help me make sense of XLR & PBR Lefty choice-hpim0979.jpg  

    Attached Images Attached Images  

  21. #21
    FIRENZE rulez !!
    Reputation: eliflap's Avatar
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    Quote Originally Posted by yogiprophet
    By SOLID, do you mean very rigid when locked out like leftys of old?
    I am wondering if the 2011 leftys are as rigid when locked out as my 2007/2008 models.

    sleep safe .

    when locked , it has the same stiffness all we know .

  22. #22
    mnt bike laws of physics
    Reputation: yogiprophet's Avatar
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    Quote Originally Posted by eliflap
    here pics
    Thanks Eli,
    Can the remote be used on the right side?

  23. #23
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    The stock lever is left side only. Sram does make a right side version if needed.

  24. #24
    LA CHÈVRE
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    Note that there is a Cannondale specific Xloc lever in the works, since the floodgate knob is not functional when used on the Lefty XLR, they are working on a simpler, lighter lever... Don't wait for it though.

    DAN.GEROUS.NET : MOUNTAIN BIKING : CYCLOCROSS : ROAD :

  25. #25
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    Has anyone seen manuals for 2011 lefties so far? i'm interested in speeds ))

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