Genuine Trek partPlease use the Trek Gear Hanger Identification chart to help identify the correct gear hanger for your bicycle.Fits the following models:2014 Trek 7.7 FX2014 Trek Lexa, Lexa S, Lexa SL2014 Trek Madone 3-series2013 Trek Lexa C, S, SL2013 Trek 1-series Road2013 Trek 3-series Madone2013 Trek/Fisher Ion CX2012 Trek 2-series Road, Lexa (all)2012 Trek 3-series Madone2012 Trek XO-1 and 22012 Trek 1-series Road2011 Trek 1-series Road, Lexa C, S, & SL2011 Trek 2-series Road, Lexa SLX2011 Trek 3-series Madone2011 Trek XO-1 & 22010 Trek 2-series Road2010 Trek/Fisher Rail2010 Trek Pilots2010 Trek XO-1 & 22009 Trek 1 and 2-series Road2009 Trek XO-1 and 22009 Gary Fisher FisherRoad2008 Trek 3rd Dimension Road2008 Trek Pilot (aluminum)2008 Trek Aluminum Road (welded)2008 Trek 1.2 / 1.52008 Trek XO12008 Trek Equinox 9 / 7 / 52007 Trek 3rd Dimension Road2007 Trek Pilot (aluminum)2007 Trek Aluminum Road (welded)2007 Trek XO12007 Trek Equinox 9 / 7 / 52007 Trek F600 / 400 (folding)2007 Lemond Dual Zone (triathlon)2006 Trek 3rd Dimension Road2006 Trek Pilot (aluminum)2006 Trek Aluminum Road (welded)2006 Trek XO12006 Trek Equinox 9 / 7 / 52006 Trek F600 / 400 (folding)2006 Lemond Dual Zone (triathlon)2006 Lemond Aluminum2006 Lemond AC/DC2005 Trek 3rd Dimension Road2005 Trek Pilot (aluminum)2005 Trek Aluminum Road (welded)2005 Trek XO12005 Trek Equinox 9 / 72005 Trek F600 / 400 (folding)2004 Trek 3rd Dimension Road2004 Trek Aluminum Road (welded)2004 Trek XO12004 Trek Equinox 9 / 72004 Trek F600 / 400 (folding)2003 Trek Aluminum Road (welded)2003 Trek XO12002 Trek Aluminum Road (welded)2002 Trek XO12002 Trek Hilo 2000 / 10002001 Trek Aluminum Road (welded)2001 Trek XO12001 Trek Hilo 2000 / 10002001 Lemond Aeroluminum1999 Lemond Aeroluminum1998 Lemond Aeroluminum