Giant 2025 Defy Advanced 1
Shipping Info
Shipping normally takes 3-5 business days. We don't ship on weekends or public holidays.
We offer flat-rate shipping in South Africa. We also offer local pickup from our stores around Cape Town.
International orders carry a minimum spend of R5,500, and takes 7-30 business days to arrive depending on customs.
Bike Size Guide
Choosing the right bike size can be overwhelming, click here to view the general size guide to make things a little bit easier.
Financing Options
Get the bike you want now and pay later with Yonda and Rola Bicycle Finance.
Easy application, fast approval, and tailored repayment plans.
Ride now, pay your way.
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!