Lightweight mens 19 aluminium frame and straight blade high performance steel fork powerful front and rear alloy v brakes and adjustable reach alloy brake levers for comfort flatstraight handlebar for a fast urban commuter look 18 speed shimano gearing with shimano revoshift gear shifters larger 700c tyres with semi slick micro knobbly tread pattern design to provide the right balance of speed sealed cartridge bearing type headset and bottom bracket for smoothness and reliability in all