Sunlite Derailleur Hanger S-161 S-161

6061 Forged Alloy. Made to O.E.M. specifications. Correct hardness to reduce damage to frame upon impact. Includes mounting bolt. Fits some Trek. Compatibility. Trek: 1-Series - 2015 / 1-SERIES - 2015-2016 / 7.7 FX - 2015 / 7.7 FX - 2015-2016 / Boone - 2014 / Crockett - 2014-2015 / CROCKETT - 2015-2016 / Domane (ALL) - 2015-2016 / Domane 2/4/5/6 Series - 2013-2014 / Domane 6 Series Team Edition - 2012-2013 / EMONDA ALR - 2015-2016 / EMONDA S - 2015-2016 / E