Bike touring bike type men wheel size 28 inch model 2016 series kona dew frame material aluminium frame alloy 6061 aluminium frame geometry diamond bike frame sizes cm 46 48 52 55 57 59 cm frame sizes m l xl s colours black brown braking system disc brake brakes tektro novela brake disc diameter frontrear 160160 fork kona project two rear derailleur shimano altus number of gears 24 gear system with derailleur groupset shimano