Additional Details ------------------------------ Product description: Forest Byke Company Dropout Derailleur Hanger Compatible with following models of TREK (not exhaustive): 2014 Farley 177x12 2014 Stache 142x12 2014 Cali Carbon 142x12 2014 Superfly HT 142x12 2013 Stashe 7 / 8 142x12 Thru 2013 Superfy Elite / Pro SL 142x12 Thru