Hybrid sport bike type men wheel size 28 inch model 2017 series cube cross frame material aluminium frame characteristics double butted frame geometry diamond bike frame sizes cm 46 50 54 58 62 cm frame sizes xl s l m colour silver braking system disc brake brakes shimano br m315 brake disc diameter frontrear 180160 bicycle fork suspension fork fork rock shox paragon gold wheel travel 63 mm rear derailleur shimano deore xt number