Cyclocross bike type mens geometry sloping comfort frame sizes xl l m bike frame sizes cm 50 53 56 58 61 cm colour black model 2017 series cube cross frame material aluminium frame characteristics double butted internal cable routing fork material carbon gear system with derailleur number of gears 22 groupset shimano rear derailleur shimano ultegra derailleur model shimano 6800 front derailleur shimano ultegra crankset shimano ultegra