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Defy Advanced SL 1 (2025) | Endurance bike

9,799.00

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The Giant Defy Advanced SL 1 2025 Endurance Bike is built for riders who demand speed, comfort, and efficiency on long-distance rides. Crafted with an Advanced SL-Grade Composite frame, this lightweight endurance machine delivers superior stiffness and compliance, ensuring maximum power transfer while reducing fatigue. Engineered with endurance geometry, it provides a balanced and stable ride, making it ideal for tackling challenging terrains and extended hours in the saddle.

Equipped with SRAM Force AXS electronic shifting, this bike offers precise, wireless gear changes for a smooth and effortless riding experience. The fully integrated cockpit and hidden cable routing enhance aerodynamics while maintaining a clean, sleek appearance. Designed for all-day comfort and performance, the frame absorbs road vibrations, allowing riders to maintain peak efficiency over long distances.

A CADEX 36 Disc WheelSystem provides excellent rolling efficiency, stability, and responsiveness. The lightweight carbon rims ensure smooth acceleration and top-tier performance across various road conditions. With hydraulic disc brakes, this bike delivers powerful and consistent stopping power, ensuring full control in all weather and terrain.

The integrated D-Fuse seatpost further enhances ride comfort by reducing vibrations and absorbing shocks from rough roads. Whether climbing steep gradients, navigating descents, or cruising on flat stretches, this endurance bike is designed to keep riders performing at their best without compromising comfort.

The Giant Defy Advanced SL 1 2025 Endurance Bike is the ultimate choice for cyclists who prioritize long-distance efficiency, control, and high-performance technology. Built to handle endurance rides with ease, it combines lightweight construction, smooth electronic shifting, and advanced compliance features to help riders go further, faster, and more comfortably than ever before.

Additional information

Colour

Size

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Specifications

Go long. Go fast. Superlight and silky smooth, the flagship series of the new Defy range is back to reclaim its title as the pinnacle of endurance road. It’s the perfect choice for the sportive or gran fondo that’s circled on your calendar.

Key Performance Factors

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 SL-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 36mm rim depth offers stable, predictable handling in crosswinds.

Sizes S, M, M/L, L
Colours Gloss Moonstone/Matte Black
Frame Advanced SL-Grade Composite, 12x142mm thru-axle, integrated seatpost, disc
Fork Advanced SL-Grade Composite, full-composite OverDrive Aero steerer, 12x100mm thru-axle, disc
Handlebar Giant Contact SLR D-Fuse
Grips Stratus Lite 3.0
Stem Giant Contact SLR AeroLight
Seatpost Giant D-Fuse SLR, composite, -5/+15mm offset
Saddle Giant Fleet SLR
Pedals PEDALS NOT SUPPLIED
Shifters SRAM Force eTap AXS 2×12
Front Derailleur SRAM Force AXS
Rear Derailleur SRAM Force AXS
Brakes SRAM Force hydraulic, SRAM PaceLine X rotors [F]160mm, [R]140mm
Brake Levers SRAM Force AXS
Cassette SRAM Force, 12-speed, 10×36
Chain SRAM Force D1
Crankset SRAM Force D2 DUB, 33/46 with power meter
Bottom Bracket SRAM, press fit
Rims Giant SLR 1 36 Carbon Disc WheelSystem
Hubs [F] Giant Low Friction Hub, CenterLock, 12mm thru-axle, [R] Giant Low Friction Hub, 30t ratchet driver, CenterLock, 12mm thru-axle
Spokes Sapim
Tyres CADEX Classics, tubeless, 700x32c (33.5mm), folding
Extras Out front computer mount, fender mount, water bottle cages, factory tubeless set up, 40mm max tyre size

Geometry

S M ML L
A SEAT TUBE LENGTH 445 480 515 535
B SEAT TUBE ANGLE 74 73.5 73 73
C TOP TUBE LENGTH 530 545 560 575
D HEAD TUBE LENGTH 140 150 175 195
E HEAD TUBE ANGLE 71.8 72.5 72.5 72.5
F FORK RAKE 50 50 50 50
G TRAIL 63.4 58.6 58.6 58.6
H WHEEL BASE 994 998 1010 1025
I CHAIN STAY LENGTH 420 420 420 420
J BOTTOM BRACKET DROP 75 75 70 70
K STACK 541 558 577 596
L REACH 375 380 384 393
M STAND OVER HEIGHT 733 762 796 814
N HANDLERBAR WIDTH 400 420 420 440
O STEM LENGTH 90 100 100 110
P CRANK LENGTH DEC 170 172.5 172.5 175
Q WHEEL SIZE ALT 700C 700C 700C 700C

Technology and Features

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- Team Cycle Centre