Never before has a high tech road bike been so capable on low tech roads the grade is ready for everything from freshly paved switchbacks to the gravel roads and everything in between the grade knows no boundsframe alloy with hydroformed tt dt tapered headtube and standard bbfork carbon with threadless aluminum steerercrankset fsa vero compact 5034bb sealed cartridgepedals low profile nylon w toe clipsderailleurs fr shimano 105shifters shimao 105 sti 11spdrear cogs shimano 105