Dutch bike commuter bike type ladies wheel size 28 inch frame material steel frame alloy hi ten steel frame geometry u frame bike frame size cm 58 cm bike frame size inch 23 inch frame size xl colours green orange red blue gear system internally geared hub igh rear derailleur shimano nexus number of gears 3 braking systems coaster brake rim brakes rear chain wheel teeth 19 chain kmc front wheel hub shimano dh 3n20 rims aluminium tyr