The Giant Defy Advanced 1 is a dedicated endurance road bike built for riders who want to cover serious distances in comfort. The Advanced-Grade Composite carbon frame is designed to be both stiff where it matters — at the bottom bracket for pedalling efficiency — and compliant over rough tarmac so your body arrives fresh.
Shimano's 105 Di2 electronic groupset brings cable-free precision shifting to this price point. With 12 speeds and a 50/34T crankset matched to an 11-36T cassette, you have the range to handle steep climbs and fast descents without compromising on close gear spacing for cruising.
Two Giant-designed components set the Defy apart for comfort: the Contact SL D-Fuse handlebar, which damps vibration coming up through the bars, and the D-Fuse composite seatpost (14 mm offset), which flexes vertically to smooth out road buzz without the need for suspension. Shimano 105 Di2 hydraulic disc brakes with 160 mm SM-RT64 rotors front and rear deliver confident, consistent braking regardless of conditions.
The Giant P-R1 Disc alloy wheelset (25 mm rim depth, Sapim spokes) comes fitted with Giant Gavia Fondo 0 tubeless 700x32c tyres, and the frame clears tyres up to 40 mm — useful for fewer punctures and improved comfort. Available in five sizes from S to XL, the Defy Advanced 1 suits a wide range of riders looking for a versatile, high-quality road bike for long sportive rides and everyday training.
