Bike touring bike type men wheel size 28 inch model 2016 series rose black lava frame material aluminium frame alloy 6066 aluminium frame characteristics triple butted frame geometry diamond bike frame sizes inch 17 19 21 23 25 inch colour black braking system disc brake brakes shimano m785 brake disc diameter frontrear 160160 fork aluminium rear derailleur rohloff speedhub number of gears 14 gear system with internal gear hub cran