Cannondale 2013 Super Castle Lefty Hybrid Needle Cartridge Tool White KH103/Original Cannondale tool used to remove the damping cartridge from the new 2013 Hybrid Needle Cartridge Lefty fork. Uses a socket wrench for easy and precise leverage. When removing the Lefty cartridge, make sure you have removed the preload air pressure from the fork. Don't worry, you only need to get punched in the face once with a cartridge to remember forever. Will also work on pre 2013 Cannondale Lefty forks. Today's Stock Status Currently not