Urban bike type mens wheel size 26 inch model 2016 series serious unrivaled frame material aluminium frame alloy 6061 aluminium frame geometry diamond colours white black brake type v brakes brakes black comp fork aluminium gear system internally geared hub igh rear derailleur shimano nexus number of gears 8 gear shift brake lever tektro braking system rim brakes crankset truvativ e400 10 bottom bracket truvativ powersplined cassette