New old stock Cannondale Jekyll Carbon 26" Frame Only. Frames are as pictured. Please ask any questions about specs or compatibility before purchasing. Headset compatibility: Cannondale Si upper and lower. Adapter headsets available (not included) for use with tapered (KP205), straight (KP058), or Lefty steer tubes (HD169). Bottom bracket compatibility: BB30/73mm. Axle compatibility: Rear: Axle Syntace X12 12x142- 166mm length. Seatpost/clamp compatiblity: 31.6 mm (post dia)/ 34.9 mm (clamp dia). Rear shock required- Fox DYAD RT2 Pull Type shock- 155mm (Eye to eye) x 55mm (Stroke). Color: Green/White. Size: Small