BARELY USED Main Components: Size: 54cm Frame: Carbon S5. Group: Shimano Dura-ACE 11-speed (or Ultegra Di2, if applicable to the specific model). Connecting rods: 3D+ rotor with a length of 172.5 mm and chainrings of 52-36 T. Cassette: Scale 11-28 T. Wheels: Equinox Typhoon-X (tubular). Handlebar: Cervélo Aero Carbon 42 C.C. Power: FSA OS 99 (or a Cervélo S5 C035 power with adjustment of 0 to 5 degrees).