With the Felt AR5 2012 Road Bike supreme aerodynamic efficiency on the road has never been this attainable. Featuring Felt's UHC Advanced Modular Monocoque carbon fibre frame and radically shaped tubes designed to slice through the wind and produce maximum pedaling efficiency, the AR5 is happiest when it's off the front. A Shimano 105 drivetrain add to the AR5's precise, comfortable handling by offering confident control in any type of terrain.