STM TRANSITION SHIM FOR 1″ STEM (ACTUALLY SBC COMP-SET STEM) This item is used on the following models: 2011 Transition Comp 2011 Transition Elite AL 2011 Transition Expert 2011 Transition Pro 2011 Transition Pro Frameset 2010 Transition Comp 2010 Transition Elite AL 2010 Transition Expert 2010 Transition Pro 2010 Transition Pro Frameset 2010 Transition SW 2010 Transition SW Module 2009 Transition Comp 2009 Transition Expert 2009 Transition Pro 2009 Transition Pro Frameset 2009 Transition SW 2009 Transition SW Module 2008 Transition Comp 2008 Transition Expert 2008 Transition Pro 2008 Transition Pro Frameset 2008 Transition S-Works 2008 Transition S-Works Module