Jamis SONIK Frame (2012)

Aero 7005 double-butted aluminum track frame with aero down tube triangulated at BB shell for additional stiffness, airfoil radius bent seat tube with wheel cut-out, airfoil seatstays,
rear entry track dropouts with stainless inserts. Carbon Aero Track fork with alloy steerer & crown, forged alloy dropouts. FSA Internal AheadSet, 1 1/8". Jamis Aero carbon post with integrated seat post clamp.