Cannondale A239X geardrop der bruges på, flere modeller fra Cannondale.

Dette geardrop er ens med Union GH-149.

Passer bland andet på -

• Cannondale 29'er 1 & 4 - 2009
• Cannondale A239X/EB0 - 2007
• Cannondale Adventure 1000, 600 & 400 - 2007
• Cannondale CAAD2, CAAD3, CAAD4 & CAAD5 - 2007
• Cannondale Comfort 2007-2009
• Cannondale Comfort 4 & 5 - 2008
• Cannondale Comfort Feminine 2007
• Cannondale Comfort Series - 2009
• Cannondale Cross XR4, XR6 & XR7 - 2008
• Cannondale CX9 2009-2010
• Cannondale Cyclecross 2, 5 & 6 - 2009
• Cannondale Cyclecross 3 - 2010
• Cannondale Daytripper Seven & MTB/ROAD - 2007
• Cannondale Hybrid - 2007
• Cannondale Jekyll 2008-2010
• Cannondale Mountain 1991-2006
• Cannondale Optimo - 2007
• Cannondale Raven - 2007
  
• Cannondale Red - 2009
• Cannondale Road Warrior 1 & 2 - 2008
• Cannondale Street, Street Feminine & Street Premium - 2007
• Cannondale SuperV - 2007
• Cannondale Touring - 2007
• Cannondale Touring 1 & 2 - 2009-2010
  
• - med flere