With unrelenting efficiency and quiet compliance, the Giant Defy Advanced 2 road wheel helps you ride stronger and further. The composite frame and purpose-built components make tough roads smooth and reduce fatigue.Free of all the unnecessary, the Defy Advanced 2 frame is one of the lightest in its category. The perfect balance of premium responsiveness and comfort delivers a 'less is more' experience for today's endurance riding.The composite frame and fork are designed specifically for long rides, delivering a smooth and efficient ride and reducing fatigue. New D-Fuze components work together to absorb all vibrations and bumps.Manufacturer. Details:Fork: Advanced-Grade Composite, disc.Frame size:Advanced Giant - Composite : Disc: Advanced Giant Riding System M (18.9", 48 cm): suitable for riders 171-181 cm tall.M/L (20.3", 51.5 cm) : suitable for riders from 177 to 187 cm tall.L (21.1", 53.5 cm): suitable for riders 183-193 cm tall.XL (22,2" 56,5 cm): suitable for riders between 189 and 199 cm tall.Gear change: Shimano 105.22 gearsBrakes: Shimano 105, hydraulicWheels: Giant P-R2 Disc wheelset, alloyTyres: Giant Gavia Fondo 1, tubeless, 700x32c (33.5mm), foldingThe bike has attachment points for adding pegboards, water bottle holders and other equipment. All the accessories you need can be added to your order either online or on the spot.Founded in1972, Giant is the world's leading manufacturer of quality bicycles and cycling equipment. Giant introduced lighter and stronger aluminium bike frames, and introduced carbon fibre frames for wider use. The development of equipment is a constant collaboration with top cycling athletes.