Question about Cannondale Lefty Alloy Dlr Mountain Bike Fork Shock 110

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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 that I cannot fit the pump onto the valve. Is there some type of special pump that I need to purchase? What can I do? Enric Lopez

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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

Posted on Apr 05, 2011


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