To fit the following cannondale models bad boy series 2011caa8 frame series 2011caad8 fem 6 amp fem 8 2010caad8 optimo 1 amp 2 2007caad8 s6 amp s8 2010caad9 1 amp 4 amp 5 amp 6 2010caad9 fem5 amp fem6 2010caad9 optimo 2 2007caad9 series 2008caadx 5 amp 6 2012carbon amp quick fem series 2010cyclocross 5 2010di2 hi mod fem 1 2010feminine sl 1 amp 2 amp 3 2007flash series 2011hi mod red 2010ironman slice 2007law enforcement series 2011lexi