6061 Forged Alloy. Made to O.E.M. specifications. Correct hardness to reduce damage to frame upon impact. Includes mounting bolt. Fits some GT Jamis and Schwinn. Compatiblity:. GT: Four – 2009 / GTR – 2005-2006 / GTR 1.0 1.2 1.3 1.4 – 2006 / GTR Alloy – 2007 / GTR GTw Series Four – 2008 / GTR GTw Series Three – 2008 / GTR GTw Series Two – 2008 / GTR Series – 2009 / GTR Series 3 4 – 2010 / GTR Series 3 4 – 2009-2010 / GTR Series 3 4 5 – 2011 / GTR Series Five – 2007 . Jamis: Aragon – 2000-2005 / CC 1.0 – 2003 / CC 2.0 – 2003 / Citizen 2.0 – 2009 / Citizen 2.0 Lady – 2009 / Citizen 3.0/2.0 – 2011 / Citizen 3.0/2.0 Femme – 2011 / Citizen 3.0/2.0/1.0 – 2010 / Citizen 3.0/2.0/1.0 Femme – 2010 / Commuter 2.0 – 2009 / Commuter 2.0 Lady – 2009 / Crosscountry – 2000-2001. Schwinn: CX – 2007-2009 / Fastback Series – 2002-2009 / Le Tour – 2010-2011 / Le Tour Series – 2007-2010 / Super Sport Series – 2003-2009 / Team In Training – 2009

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