Topstone SmartForm C2 aluminum frame, Flat mount, Tapered head tube, 12mm thru axle, internal cable routing, bottle cage mounts Full carbon, integrated crown race, 12x100mm thru axle, internal cable routing, 1-1/8" - 1-1/4" tapered steerer Shimano 105, 2 x 11-speed Shimano 105, GS cage Shimano 105 FSA Omega, 46/30 teeth chain rings FSA Omega KMC X11, 11-speed Shimano 105, 11-speed, 11-34 teeth