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Giant Defy Advanced 3 men’s endurance road bike with lightweight carbon frame, D-Fuse comfort technology and tubeless tyre clearance up to 38mm. Perfect for long rides.

Giant Defy Advanced 3 men’s endurance road bike with lightweight carbon frame, D-Fuse comfort technology and tubeless tyre clearance up to 38mm. Perfect for long rides.

Giant

2026 Giant Defy Advanced 3 Mens Road Bike - Good Grey

£1,999.00
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

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.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

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

2026 Giant Defy Advanced 3 Mens Road Bike - Good Grey

Season:2026

Brand:Giant

Code:9031024GoodGray

The Giant Defy Advanced 3 is a lightweight carbon endurance road bike engineered for riders who want to go farther, faster, and more comfortably. Designed to smooth rough roads and reduce fatigue, the Defy Advanced 3 delivers effortless efficiency, predictable handling, and long-distance comfort, making it ideal for endurance training rides, sportives, gran fondos, and all-day road adventures.

  • Advanced-grade composite endurance frame and fork
  • Lightweight design with all-day comfort and efficiency
  • D-Fuse seatpost and handlebar system for vibration damping
  • Endurance road geometry for stable, confident handling
  • Clearance for up to 38mm tubeless tyres
  • OverDrive Aero steerer for precise steering and clean cable routing
  • Ideal for long-distance road riding, sportives and endurance training

At the heart of the bike is Giant’s Advanced-grade composite frame and fork, purpose-built for endurance road riding. The frame strikes the perfect balance between stiffness and compliance, offering responsive acceleration while filtering road vibrations to keep you fresh over long miles. The result is a refined, “less is more” riding experience that prioritises performance without unnecessary complexity.

D-Fuse technology plays a key role in the Defy’s comfort advantage. The D-shaped seatpost and ergonomically designed Contact D-Fuse handlebar work together to absorb shocks and vibrations, delivering a smoother, quieter ride on rough asphalt, broken tarmac, and cobbled roads.

For confident handling and stability, the Defy Advanced 3 features wide alloy rims optimised for high-volume tubeless tyres, with clearance for tyres up to 38mm. This allows lower pressures for improved grip, comfort, and reduced rolling resistance across mixed road surfaces. The OverDrive Aero steerer system enhances front-end stiffness and steering precision while keeping internal cable routing clean and easy to service.

Technical Information
  • Sizes
    XS, S, M, M/L, L, XL
  • Colours
    Good Gray
  • 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:404/380mm, S:404/380mm, M:424/400mm, M/L:424/400mm, L:444/420mm, XL:444/420mm
  • 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
    platform pedal [GCS,GTS], N/A [all other GSC]
  • Shifters
    Shimano CUES U6030
  • Front derailleur
    Shimano CUES U6030F
  • Rear derailleur
    Shimano CUES U6020-10
  • Brakes
    Shimano BR-U6030 hydraulic, Giant MPH rotors [F]160mm, [R]160mm
  • Brake levers
    Shimano CUES U6030
  • Cassette
    Shimano CS-LG400, 11x39
  • Chain
    KMC X11
  • Crankset
    Shimano FC-U6030-2, 34/50 XS:165mm, S:165mm, M:170mm, M/L:170mm, L:172.5mm, XL:172.5mm
  • Bottom bracket
    Shimano, press fit
  • Rims
    Giant S-R2 Disc wheelset, alloy, [F]25mm, [R]25mm
  • Hubs
    Giant alloy, 12mm thru-axle
  • Spokes
    Sapim
  • Tyres
    Giant Gavia Fondo 1, tubeless, 700x32c (33.5mm), folding
  • Extras
    tubeless prepared, 40mm max tire size
  • Max tyre clearance
    40mm
As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying. Please note that this bike does not come with pedals.
Sizing Information

SIZING

Size in ft5'2" - 5'5"5'5" - 5'9"5'8" - 5'11"5'10" - 6'1"6'0" - 6'4"6'3" - 6'6"
Size in cm160 - 168cm164 - 174cm172 - 180cm178- 186cm184 - 192cm190 - 198cm
Bike SizeXSSMMLLXL

GEOMETRY

SizeXSSMMLLXL
Seat Tube Length410mm445mm480mm515mm535mm565mm
Seat Tube Angle74.5°74°73.5°73°73°73°
Top Tube Length515mm530mm545mm560mm575mm595mm
Head Tube Length125mm135mm150mm175mm195mm215mm
Head Tube Angle70.5°71.8°72.5°72.5°72.5°72.5°
Fork Rake50mm50mm50mm50mm50mm50mm
Trail71.6mm63.4mm58.6mm58.6mm58.6mm58.6mm
Wheelbase995mm994mm998mm1010mm1025mm1040mm
Chainstay Length420mm420mm420mm420mm420mm420mm
Bottom Bracket75mm75mm75mm70mm70mm70mm
Stack527mm541mm558mm577mm596mm615mm
Reach369mm375mm380mm384mm393mm402mm
Stand Over Height705mm733mm762mm796mm814mm841mm
Handlebar Width410mm410mm430mm430mm450mm450mm
Stem Length80mm90mm100mm100mm110mm110mm
Crank Length165mm165mm170mm170mm172mm172mm
Wheel Size700c700c700c700c700c700c
Professional Opinion
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