Bike touring bike type women wheel size 28 inch series rose black lava frame material aluminium frame alloy 6066 aluminium frame characteristics triple butted frame geometry trapeze bike frame sizes inch 17 19 21 23 inch colour black braking system disc brake brakes shimano m8000 brake disc diameter frontrear 160160 rear derailleur rohloff speedhub number of gears 14 gear system with internal gear hub crankset truvativ stylo 11 brake