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I have a bicycle (Cannondale Bad Boy SOLO Ultra 2009 white edition) and I can't find a front mudguard that will fit the front lefty soli fork setup. Any suggestions?

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I have a set of SKS X3's for my Jekyll with a Lefty. The front has a special large insert for the headshock-sized opening at the bottom of the steerer tube. Maybe check with a Cannondale-shop to find one.

Here's another solution at the bottom...

Posted on Mar 27, 2011

  • davbeau Aug 13, 2011

    I'm looking for a Solo Ultra white edition- fancy selling yours?

  • David Dunn
    David Dunn Aug 13, 2011

    You may have some luck lurking around the auction sites, maybe cop a frame and build your own. You don't even know what size his bike is, nor say what size you want. There's a black '08 medium on eBay.



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Since there are a lot of varieties of the Lefty go here and search the list for "LEFTY".

Or you might just get away with deflating the pressure preload and collapsing the fork.

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I just bought a used Cannondale lefty fork. I was told that it can be stiffened by placing a pump on the bottom of the valve to add air into the fork. Problem is, the valve stem is so encased in the fork...

Hello ledpencil,
Pneumatic bike shocks require a special type of pump called a "shock pump" that is a high-pressure (up to 300psi!) but low-volume pump. They come with a very accurate gauge, pump handle, and a bleed valve/button to let off puffs of air to soften the shock. They also have a long flexible neck that screws onto the valve at the base of the fork. They're relatively small and moderately priced ($20-$40) and can be packed in a riding pack in case you want to change the stiffness on the fly. Here's a link to some online:
Hope this helps! -The Chicken

Apr 01, 2011 | Cannondale Lefty Alloy Dlr Mountain Bike...

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The lefty tops out, especially when climbing. Can this be fixed?

Probably. Is it the old original Cannondale Lefty with the pre-charge pressure fitting at the bottom or the newer (MARZOCCHI??) style. Either way, a real bike shop will have the high-pressure/low volume pump that is necessary if you don't want to purchase one yourself.

If the problem is mechanical (like blown seals) they'll also have the special tools, parts, fluids and skills to resolve it. Shock service isn't for the uninitiated to handle solo.

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Will the cannondale xc3 mtb stem fit on my lefty headshock? And how do I do it?

the XC3 stem comes in a 1.5 in clamp designed to fit on cannondale headshox systems. The lefty fork you have may or may not be compatible, you would have to check your fork to see if it is the right size.

There is an XC3 SL conversion kit for lefty forks that are not the same size and includes the stem and steerer replacement.

Swapping stems is quite easy on the cannondale. Loosen the two bolts holding the stem to the steerer and undo the bolts holding the handlebars, remove stem and replace.

If none of this makes sense then I would strongly urge you too take the bike into your local bike shop, preferrably a cannondale dealer, and have them show you. It will take only a couple minutes and they can confirm compatibility.

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How to dismantle lefty


The Cannondale Lefty fork can only be disassembled with speciality tools. You can read illustrated instructions here:

Please check that your Lefty fork is identical to the one described, as the process and tools are different for the various Lefty editions.

As a warning, dismantling the fork could lead to serious injury if you don't know what you are doing. Please read through and understand all instructions before deciding whether to do it or not. Good luck.

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