Racing bike type ladies geometry sloping comfort frame sizes s m l bike frame sizes cm 47 50 53 56 cm colour black model 2017 series cube axial wls frame material carbon fork material carbon gear system with derailleur number of gears 22 groupset shimano rear derailleur shimano 105 front derailleur shimano 105 gear shift brake lever shimano 105 crankset shimano 105 front chain wheel teeth 5034 cassette shimano 105 rear chain whe