With comfort and speed the core of this bike's ethos, it is an absolute pleasure to be on for long days in the saddle. I upgraded the wheelset to a set of FFWD RYOT 44 and the difference is markedly better. A Zipp SL Sprint stem 100mm in the cockpit stiffens things up for the county line sprints. The mechanical Shimano Ultregra drivetrain is reliable and crisp.