Giant 2025 Defy Advanced 1

Giant 2025 Defy Advanced 1 – Lightweight, Comfortable & Performance-Driven

Push your endurance limits with the Giant 2025 Defy Advanced 1, a cutting-edge road bike designed for all-day comfort and high-performance riding. Whether you're tackling long-distance rides, climbing hills, or enjoying weekend adventures with family, this bike offers a seamless blend of speed, agility, and ride quality.

With its lightweight Advanced-Grade Composite frame, endurance-focused geometry, and electronic Shimano 105 Di2 shifting, the Defy Advanced 1 ensures effortless control, smooth shifting, and confidence on every road.

Key Features & Benefits

Feather-Light & Endurance-Optimised Frame

• Advanced-Grade Composite frame & fork for an ultra-light yet durable design

• OverDrive full-composite steerer improves steering precision and control

• 12x142mm rear & 12x100mm front thru-axles for increased stiffness and stability

Effortless Shimano 105 Di2 Electronic Shifting

• Shimano 105 Di2 wireless shifting delivers crisp, reliable gear changes

• 12-speed drivetrain (11×36T cassette) ensures a wide gear range for hills and flats

• Shimano 105 compact crankset (34/50T) for smooth pedalling efficiency

Powerful Hydraulic Disc Brakes for All Conditions

• Shimano 105 Di2 hydraulic brakes provide responsive stopping power

• 160mm Giant MPH rotors ensure optimal braking performance in any weather

• Ride with confidence on wet roads and steep descents

Smooth & Comfortable Ride

• Giant Contact SL D-Fuse Handlebar & D-Fuse Seatpost absorb vibrations for a smoother ride

• Giant Approach Saddle designed for long-distance comfort

• Tubeless-Ready Giant Gavia Fondo 1 Tyres (700x32c) enhance grip, speed, and puncture resistance

Durable & Versatile Wheelset

• Giant P-R2 Disc Alloy Wheelset for strength and durability

• Sapim spokes & Giant alloy hubs for improved longevity

• 38mm max tyre clearance allows for customisation based on terrain preference

Why Choose the Giant 2025 Defy Advanced 1?

✔ Endurance-Focused Geometry – Designed for all-day comfort and long-distance rides
✔ Road Bike Efficiency – Perfect for smooth tarmac, rolling hills, and endurance cycling
✔ Electronic Precision – Shimano 105 Di2 ensures flawless, wireless shifting
✔ Stable & Versatile – Tubeless-ready tyres and disc brakes for enhanced control
✔ Lightweight & Durable – Built for performance without compromising comfort

Frame
Frame: Advanced-Grade Composite, 12x142mm thru-axle, disc
Fork: Advanced-Grade Composite, full-composite OverDrive steerer, 12x100mm thru-axle, disc

Components
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
Stem: Giant Contact AeroLight XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm
Seat Post: Giant D-Fuse, composite, 14mm offset
Saddle: Giant Approach

Drivetrain
Shifters: Shimano 105 Di2 ST-R7170
Front Derailleur: Shimano 105 Di2 FD-7150
Rear Derailleur: Shimano 105 Di2 RD-7150
Brakes: Shimano 105 Di2 hydraulic, Giant MPH rotors [F]160mm, [R]160mm
Brake Levers: Shimano 105 Di2
Cassette: Shimano 105, 12-speed, 11×36
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

Wheels
Rims: Giant P-R2 Disc wheelset, alloy
Hubs: Giant alloy, 12mm thru-axle
Spokes: Sapim
Tyres: Giant Gavia Fondo 1, tubeless, 700x32c (33.5mm), folding

Other
Extras: Water bottle cages, tubeless prepared, 38mm max tyre size
 

The Perfect Road Bike for Every Rider

Whether you're a dedicated road cyclist, a weekend warrior, or someone who enjoys long rides with family, the Giant 2025 Defy Advanced 1 delivers the ideal mix of endurance, control, and speed.

????‍♂️ Upgrade your ride today! Get yours now at OlympicCycles.co.za and experience the road like never before!