Blue AC1 2012 Frameset

Constructed with Aerus Composites 20T high-modulus carbon fiber and BB30 bottom bracket shell
SFT2 Super Flow Tube Tech: fork, down tube and seat stay cross sections oriented to the direction the wind flows across bike
Drop Down Tube design for improved aerodynamic interface between front wheel, fork and downtube
Aerus Composites C4SFT2 carbon aero road fork with carbon dropouts
FSA Orbit C-33 1-1/8 inch top bearing, 1-1/4 inch lower bearing integrated headset
Micro adjust front derailleur hanger for superior shifting
Di2 frameset with pre-installed wiring harness
Zero-offset aero seat post available as aftermarket