Uhc advanced textremer carbon fibrethe vr2 frame is crafted from uhc advanced textremer carbon fiber and features top of the line components like shimano electronic shifters and hydraulic disc brakes as well as mavic ksyrium allroad wheels and with an fsa sl k modular adventure crankset featuring super compact gearing the vr2 is ready for whatever journey the road presents shimano ultegra di2 drivetrainwith the same electronic shifting technology used on shimanos top of the line dur