This is a damper for the following Cannondale Lefty forks: 2013-2015 Lefty PBR 26", 130mm 2013-2015 Lefty PBR 29", 90mm 2013-2015 Lefty PBR 29", 100mm 2013 Lefty PBR 26", 130mm 2010-2012 Lefty Max PBR 140mm 2010-2012 Lefty Ultra PBR 120mm 2011-2012 Lefty 29'er PBR 90mm 2011-2012 Lefty 29'er PBR 100mm 2009 Lefty Max PBR 130mm
