The 2025 Giant Defy Advanced 1 Carbon Road Bike is built for riders who demand speed, efficiency, and all-day comfort without unnecessary complications. Whether tackling long-distance endurance rides, rough country roads, or weekend club runs, it delivers the perfect balance of lightweight agility and road-smoothing compliance.An Advanced-Grade Composite frame and fork form the heart of the bike, offering impressive stiffness without excess weight. The innovative D-Fuse Technology in the seatpost and handlebars absorbs road vibrations, reducing fatigue over extended miles. A new Contact D-Fuse handlebar with ergonomic shaping and an 8-degree flare enhances control, making it easier to maintain a steady grip on long rides.Confidence comes standard with wide alloy rims, optimised for high-volume tubeless tyres up to 38mm. From smooth tarmac to cobbled lanes, the setup provides stability and predictable handling. The OverDrive Aero steerer tube keeps front-end stiffness high while integrating cables for a cleaner, more aerodynamic profile.Inspired by professional racing geometry, the Compact Road Design ensures a responsive yet comfortable ride, catering to cyclists looking for both speed and endurance. Whether pushing limits on solo challenges or settling into a rhythm with the peloton, the 2025 Defy Advanced 1 is the ideal companion for those who refuse to compromise on performance or comfort.Key Features:- Advanced-Grade Composite Carbon Frame- Advanced-Grade Composite Carbon Fork- Shimano 105 Di2 Groupset Components - Giant P-R2 Alloy Disc Rims- Giant Gavia Fondo 1 TR 700x32c TyresBenefits:- Lightweight Efficiency The advanced composite frame offers a high stiffness-to-weight ratio, making climbs feel easier and accelerations more responsive.- All-Day Comfort D-Fuse seatpost and handlebar technology absorb road vibrations, reducing fatigue on long-distance rides.- Enhanced Control The ergonomic Contact D-Fuse handlebar and stable geometry provide confident handling, even on rough or uneven surfaces. - Versatile Tyre Clearance Wide alloy rims support tubeless tyres up to 38mm, offering better grip and comfort across varied road conditions.- Aerodynamic Integration OverDrive Aero technology streamlines cable routing while maintaining a stiff and responsive front end for efficient power transfer.

Frame: Advanced-Grade Composite, 12x142mm thru-axle, disc Fork: Advanced-Grade Composite, full-composite OverDrive steerer, 12x100mm thru-axle, disc Handlebar: Giant Contact SL D-Fuse XS:40/42cm, S:40/42cm, M:42/44cm, M/L:42/44cm, L:44/46cm, XL:44/46cm Grips: Stratus Lite 3.0 Stem: Giant Contact AeroLight XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm Seatpost: Giant D-Fuse, composite, 14mm offset Saddle: Giant Approach Pedals: N/A Shifters: Shimano 105 Di2 Front Derailleur: Shimano 105 Di2 Rear Derailleur: Shimano 105 Di2 Brakes: Shimano 105 Di2 hydraulic, Giant MPH rotors [F]160mm, [R]160mm Brake Levers: Shimano 105 Di2 Cassette: Shimano 105, 12-speed, 11x36 Chain: KMC X12L-1 Crankset: Shimano 105, 34/50 XS:170mm, S:170mm, M:172.5mm, M/L:172.5mm, L:175mm, XL:175mm Bottom Bracket: Shimano, press fit Rims: Giant P-R2 Disc wheelset, alloy, [F]25mm, [R]25mm Hubs: Giant alloy, 12mm thru-axle Spokes: Sapim Tires: Giant Gavia Fondo 1, tubeless, 700x32c (33.5mm), folding Extras: fender mount, water bottle cages, tubeless prepared, 38mm max tire size