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Giant Defy Advanced Ui2 bike, tempest purple

New model - model year 2027
4,599 
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In-store pickup
From 28.09.2026 (Monday) Check availability
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At MTBIKER Service Point
Available from 01.10.2026 (Thursday)
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By courier to your home Delivery by courier GLS
Delivery method on Tuesday 29.09.2026
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Extended return option up to 100 days More info
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Extended additional warranty +1 year More info
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Giant Defy Advanced Di2 Bike

The Giant Defy Advanced Ui2 is a lightweight endurance road bike designed for long rides and gran fondo races, where you'll appreciate the combination of efficient power transfer and high comfort. The Advanced Composite frame, along with purposefully designed components, helps smooth out road imperfections and reduce fatigue even on all-day rides.



The frameset is among the lightest in its category and offers a balanced stiffness-to-compliance ratio, making the bike feel lively and responsive, while remaining stable and predictable. Integrated D-Fuse components increase the overall compliance and contribute to a quiet, smooth ride on various surfaces.

  • Advanced Composite carbon frame optimized for efficiency and comfort
  • D-Fuse components for better damping of vibrations and road imperfections
  • Contact D-Fuse handlebar with ergonomic shaping for increased comfort and control
  • Giant SLR 2 40 Carbon Disc Wheel System ready for tubeless use
  • Possibility to use tubeless tires up to 40 mm wide
  • Shimano Ultegra Di2 electronic shifting for precise and reliable gear changes
Level and quality of equipmenthelp
Sports and performance cycling

A road bike for experienced road riders who ride thousands of kilometers in a year. Suitable for regular or demanding training, amateur races and long trips. You can count on great equipment and light weight.

Specification
Frame
Advanced-Grade Composite, 12 x 142 mm thru-axle, size M
Fork
Advanced-Grade Composite, Full-Composite OverDrive Steerer, 12 x 100 mm thru-axle
Shifting
Shimano Ultegra Di2 HRD, 2 x 12
Sports and performance cycling
Derailleur
Shimano Ultegra Di2
Professional cycling
Front derailleur
Shimano Ultegra Di2
Sports and performance cycling
Cassette
Shimano CS-R8100, 11 x 34
Regular and longer rides
Chain
KMC X12L-1
Cranks
Shimano Ultegra (R8100), 34/50, M: 170 mm
Sports and performance cycling
Brakes
Shimano Ultegra Di2 HRD
Sports and performance cycling
Brake levers
Shimano Ultegra Di2 HRD
Brake discs
Shimano RT-CL700, 160 / 160 mm
Rims
Giant SLR 2 40 Carbon Disc Wheel System
Hubs
[F] Giant Alloy Hub, CenterLock, 12 mm thru-axle / [R] Giant Alloy Hub, 3-pawl driver, CenterLock, 12 mm thru-axle
Spokes
Sapim
Tires
Giant Gavia Fondo 0 Tubeless, 700 x 32c (33.5 mm effective), 170 TPI, Folding
Seat post
Giant D-Fuse Composite, Offset 14 mm
Saddle
Giant Approach
Stem
Giant Contact AeroLight, M: 100 mm
Handlebars
Contact SL D-Fuse, M: 430/400 mm
Grips
Stratus Lite 3.0
Headset
Shimano, PressFit
Gears
2 x 12
Accessories
tubeless prepared, 40 mm max tire size
Product details
Sex Men, Unisex
Model year 2027
Gears Unspecified
Groupset Shimano Ultegra
Colour purple
Material carbon fiber
Wheel material Carbon
Wheel diameter 700C
Brakes Hydraulic disc
Fork Rigid
Control type electronic
product ID 416776
Bike size M
Height (cm) 171 - 181 cm

All bicycles at the MTBIKER shop are new, not-ridden, from an official distributor and with a full warranty. Several brands even offer a lifetime warranty on the frame after registration. We perform all warranty services in MTBIKER stores after personal delivery or after sending the bike (or its part) by courier.

Our bike shipment is as follows:
  1. The bicycle is taken out of the manufacturer's box
  2. The bicycle is assembled, inspected and adjusted (front and rear derailleur, shock, fork, wheels,...)
  3. The bicycle is carefully packaged back into a box and shipped
  4. If you order a bike for in-person pick-up or home delivery, the bike will be waiting for you assembled and checked
  5. If you order a bicycle via courier to your home address, the following must be done at home:
    1. Take the bike out of the box and carefully remove safety material and foils
    2. Mount handlebar to stem (1 minute, 4 or 5 mm hex hey is needed).
    3. Mount front wheel to fork (1 minute, without the need of any tools if the bike has a quick release).
    4. Loosen the screws in the headset, straighten the stem with the front wheel, tighten the upper screw on the fork and then tighten the headset (2 minutes, 4 or 5 mm hex key is needed).
    5. Mount the pedals to the cranks while lubricating the thread and carefully mounting it the right way (1 minute, 8 mm hex key or 15 mm wrench).
    6. Mount seat post to frame (10 seconds, without needing any tools if the frame has a quick link).
    7. Inflate the tires or fork and shock to desired pressure (2 minutes, pump needed).
    8. Check the tightening of hex keys and quick-releases (2 minutes, 4 and 5 mm hex key is needed).
    9. Go for a test drive! Handle your bicycle carefully until you get used to it. If the bike has disc brakes, their performance will be limited from now on - they will gain their full power after 4-5 strong brakes at higher speed.
Auxiliary video for setting up the bike:
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Giant was established in 1971 in Taiwan, they are one of the largest bicycle producers in the world. In the beginning, they made bikes for other companies. Since 1981 Giant has been supplying the market with bicycles under their name. They were one of the first companies to start mass production of carbon framesets. Liv is their brand for bikes for women offering MTB, road and gravel bikes. Components are also included in their offer as well as wheelsets under the name Cadex (their brand name).

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