Falcon Frame: Falcon 6061 Alloy frame Suspension: Gearset: 21-speed Shimano gearing with Shimano revo shift gear. Brakes: Mechanical Disc brakes Wheels: Larger 700C tyres with semi-slick tread pattern, designed to provide the right balance of speed and assured grip Inside leg measurement (approx): 68-81cm / 27-32? Please note that this bicycle is part assembled on delivery and therefore you will be required to fit certain parts and make setup adjustments to components such as the gears and brakes prior to use and also on an ongoing basis for maintenance purposes.