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Defy Advanced Pro 0 with Ultegra Di2, SLR 0 40 carbon wheels & CADEX Classics 32c tyres—engineered for smooth, efficient endurance rides.
Defy Advanced Pro 0 with Ultegra Di2, SLR 0 40 carbon wheels & CADEX Classics 32c tyres—engineered for smooth, efficient endurance rides.
Giant

EX DEMO Giant Defy Advanced Pro 0 Road Bike Small 2026 in Mariana Blue

£4,799.00 £5,499.00 13% off
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With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

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Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Items must be returned in their original packaging and unused. Refunds will be issued once the product(s) have been received and inspected.

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Please note:
1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £50 for collection (£100 from Northern Ireland). If you do not have the original box in usable condition, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid proof of purchase.

EX DEMO Giant Defy Advanced Pro 0 Road Bike Small 2026 in Mariana Blue

Season:2026Sale

Brand:Giant

Code:SD9031025104

This Giant Defy Advanced Pro 0 in Size Small is an ex-demo bike, it has some cosmetic damage, with marks across the frame and fork, and front wheel. It has one slightly differnet bar end fitted and scuffs on the bartape shifter and crank. It has been used at a demonstration event this season, and shows signs of use on the drivetrain, brakes and tyres. Please see photos for condition of the bike.

Our ex-demo bikes are fully serviced and checked to ensure your riding experience is the same as a new bike - we offer full manufacturers warranty on all our ex-demo bikes.

The Giant Defy Advanced Pro 0 is a premium endurance road bike, balancing lightness, compliance, and control. Its Advanced-grade composite frame and fork are optimised for comfort on long rides, paired with Shimano Ultegra Di2 12-speed shifting and Giant SLR 0 40 carbon wheels. With 32c CADEX Classics tubeless tyres and integrated power meter, it’s built for riders chasing endurance speed and reliability.

Here’s to long rides. Climb higher mountains, skip the shortcuts. This buttery smooth endurance road bike helps you do more of what you love.

Functional Simplicity
Free of cumbersome gimmickry, the frameset is one of the lightest in its category. With a perfect balance of high-performance reactivity and all-day comfort, it offers a “less is more” experience for modern endurance road riding.

Engineered Compliance
Advanced-grade composite frame and fork are specifically engineered for endurance road riding, delivering a smooth and efficient ride quality that minimizes fatigue on long rides. The new D-Fuse components work together to further absorb road shocks and vibrations.

Total Control
A new Contact D-Fuse handlebar features ergonomic shaping and an 8-degree flare for comfort and control on all-day rides. Wide, hookless carbon rims (22.4mm inner width) are optimized for high-volume tubeless tires (up to 38mm), and a 40mm rim depth offers stable, predictable handling in crosswinds.

Key Features & Benefits:

  • Endurance-tuned frameset:Advanced grade composite delivers lightweight stiffness and smooth compliance for long rides.
  • Wireless precision:Shimano Ultegra Di2 12-speed groupset with integrated Giant Power Pro power meter for accurate, responsive shifting.
  • Confident control:Giant SLR 0 40 carbon wheels with CADEX Classics 32c tubeless tyres ensure stability, grip, and smooth ride quality.

Full Specification:

  • Frame: Advanced-grade Composite, 12x142mm thru-axle, disc
  • Fork: Advanced SL-grade Composite, full-composite OverDrive Aero steerer, 12x100mm thru-axle, disc
  • Number of Gears: 24
  • Gear Shifters: Shimano Ultegra Di2 ST-R8170
  • Chainset: Shimano Ultegra, 34/50 with Giant Power Pro power meter XS:165mm, S:165mm, M:170mm, M/L:170mm, L:172.5mm, XL:172.5mm
  • Chainrings: 34/50T
  • Rear Cassette: Shimano Ultegra, 12-speed, 11x34
  • Chain: Shimano Ultegra
  • Front Derailleur: Shimano Ultegra Di2 FD-R8150
  • Rear Derailleur: Shimano Ultegra Di2 RD-R8150
  • Bottom Bracket: Shimano, press fit
  • Pedals: Not supplied: Shop pedals here
  • Rims: Giant SLR 0 40 Carbon Disc WheelSystem
  • Front Hub: Giant Low Friction Hub, CenterLock, 12mm thru-axle
  • Rear Hub: Giant Low Friction Hub, 40T ratchet driver, CenterLock, 12mm thru-axle
  • Front Tyre: CADEX Classics, tubeless, 700x32c (33.5mm), folding
  • Rear Tyre: CADEX Classics, tubeless, 700x32c (33.5mm), folding
  • Brakes: Shimano Ultegra Di2 hydraulic, Shimano RT-CL800 rotors [F]160mm, [R]140mm
  • Handlebars: Giant Contact SLR D-Fuse XS:404/380mm, S:404/380mm, M:424/400mm, M/L:424/400mm, L:444/420mm, XL:444/420mm
  • Handlebar Tape: Stratus Lite 2.0
  • Stem: Giant Contact SL AeroLight XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm
  • Saddle: Giant Fleet SL
  • Seatpost: Giant D-Fuse SLR, composite, -5/+15mm offset
  • Accessories: Computer mount, fender mount, water bottle cages, tubeless prepared, 40mm max tyre size
  • Weight: Not Available
Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Sizing Chart for Giant Defy Advanced

Frame SizeRider Height (cm)Rider Height (' ")
XS160 - 1685'2" - 5'5"
S166 – 1745'5" - 5'9"
M172 – 1805'8" - 5'11"
ML178 – 1865'10" - 6'1"
L184 – 1926'0" - 6'4"
XL189 - 1996'2" - 6'6"

Geometry Information for Giant Defy Advanced


bike diagram with measurements referenced in table that follows
XSSMMLLXL
ASeat Tube Length(MM)410445480515535565
BSeat Tube Angle74.5°74.0°73.5°73.0°73.0°73.0°
CTop Tube Length(MM)515530545560575595
DHead Tube Length(MM)125135150175195215
EHead Tube Angle70.5°71.8°72.5°72.5°72.5°72.5°
FFork Rake(MM)505050505050
GTrail(MM)71.663.458.658.658.658.6
HWheelbase(MM)995994998101010251040
IChain Stay Length(MM)420420420420420420
JBottom Bracket Drop(MM)757575707070
KStack(MM)527541558577596615
LReach(MM)369375380384393402
MStand Over Height(MM)705733762796814841
NHandlebar Width(MM)404404424424444444
OStem Length(MM)8090100100110110
PCrank Length(MM)165165170170172172


Warranty Information for Giant

ComponentWarranty Period
Bicycle frame (Downhill excluded)Lifetime
Rigid Forks10 Years
Downhill frame3 Years
Giant own brand components, Pedals, grips, bar tape, saddle, Paint & Decals2 Years
Electronic E-bike components including battery2 Years (or 600 charge cycles)
For full warranty policy please visit giant-bicycles.com
Sizing Information
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