The pinnacle bgrd 1 derailleur hanger is compatible with the following bikes 2012 onwards all models of jarrah iroko ramin and willow 2011 and before cobalt 1 2 3 and womens 1 and 2 iroko 1 2 3 jarrah 1 2 3 4 5 lithium 1 2 3 4 and womens 1 2 3 neon 1 2 3 and womens 1 willow 1 2 arkose 1 2