Bike touring bike type men wheel size 28 inch model 2017 series bergamont sponsor frame material aluminium frame alloy 6061 aluminium frame geometry diamond bike frame sizes cm 48 60 52 56 64 cm frame sizes xl m xxl colour black braking system disc brake brakes shimano br m315 bicycle fork suspension fork fork suntour nex ds wheel travel 63 mm rear derailleur shimano acera number of gears 24 gear system with derailleur front derai