Racing bike type ladies geometry classic racing bike frame sizes cm 48 51 53 55 57 cm colours grey white model 2016 series rose pro sl frame material aluminium frame alloy 7005 aluminium 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 gear shift brake lever shimano ultegra crankset shimano ultegra front