Union GH-142 geardrop til forskellige Specialized modeller. Monteres på yderside af bagstel, med 1 bolt, og der er gevindhul i geardroppet.
Passer bland andet til -
- S-Works Tricross Carbon 2007-2010
- S-Works Tarmac SL2 2008-2009
- S-Works Tarmac 2007-2008
- S-Works Ruby 2008-2010
- S-Works Roubaix SL2 2009-2010
- S-Works Roubaix SL 2007-2008
- S-Works CruX 2011
- S-Works Amira SL2 2010-2011
- Specialized Vita LTD 2012-2013
- Specialized Tarmac Pro/Expert 2008-2009
- Specialized Tarmac Pro 2007
- Specialized Tarmac Comp/Elite/Base/Race/Sport 2012-2013
- Specialized S-Works Tricross Carbon 2007-2010
- Specialized S-Works Tarmac SL2 2008-2009
- Specialized S-Works Tarmac 2006-2008
- Specialized S-Works Ruby 2008-2010
- Specialized S-Works Roubaix SL2 2009-2010
- Specialized S-Works Roubaix SL 2007-2008
- Specialized S-Works CruX 2011
- Specialized S-Works Amira SL2 2010-2011
- Specialized Sirrus LTD/Pro 2007-2011
- Specialized Sirrus LTD 2012-2013
- Specialized Secteur 2010
- Specialized Ruby Sport/Base 2013
- Specialized Ruby Pro/Expert 2008-2012
- Specialized Ruby Comp/Elite 2010-2012
- Specialized Roubaix Sport/Base 2012-2013
- Specialized Roubaix Pro/Expert 2007-2010
- Specialized Roubaix Comp/Elite 2009-2011
- Specialized Amira Comp/Elite/Base/Sport SL2 2012-2013
- Specialized Amira 2010-2011
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med flere
