• Giant 2025 Contend AR 4

Giant 2025 Contend AR 4

$1,398.99 $1,599.00
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Break out of the box and expand your road riding adventures. From smooth pavement to bumpy backroads, this ultra-capable road bike has built-in compliance and high-volume tyres, so you can ride any road with confidence and control.

KEY PERFORMANCE FACTORS

Balanced Road Geometry

Frame is specifically engineered to produce a balanced, all-rounder feel that blends confident rider positioning with agile cornering and acceleration.

Smooth Ride Quality

Innovative D-Fuse seatpost reduces road shocks and vibrations, and a Giant wheelset lets you run tubeless tyres up to 38mm for a smoother ride quality and reduced risk of flats.

Total Control

Seamless disc brake integration, including flat mounts and 12mm front and rear thru-axles, produces more consistent braking power for better control, even in wet weather and on rough roads.

TECHS & FEATURES

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ALUXX ALUMINIUM TECHNOLOGY

This Performance level frame material features 6061 alloy with single-butted tubes to produce strong, lightweight framesets for a variety of different bikes and riding styles.

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COMPACT ROAD DESIGN

Introduced by Giant with the professional Team ONCE in the 1990s, Compact Road revolutionized the look and feel of high-performance road bikes forever. A downward sloping toptube (from the headtube to the seattube) creates smaller front and rear triangles for a lighter, stiffer bike. It also makes it easier for riders of all sizes to have a perfect fit.

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D-FUSE TECHNOLOGY

The D-Fuse seatpost and handlebar were designed to function as a system, absorbing road shocks and vibrations so you can ride further, faster.

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TUBELESS SYSTEM

Fewer flat tyres. Greater traction. Less rolling resistance and a smoother, faster ride. Giant’s Tubeless System makes it easier than ever to experience all these benefits.

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OVERDRIVE

Giant’s original oversized fork steerer tube technology. Designed to provide precise front-end steering performance, the system’s oversized headset bearings (1 1/4” lower and 1 1/8” upper for road, 1 1/2” lower and 1 1/8” upper for mountain) and tapered steerer tube work in conjunction to provide optimal steering stiffness.

SIZING GUIDE AND GEOMETRY

Sizing to be used as a reference only. Please check with a local authorized dealer to determine the correct size.
Available sizes may vary from country to country.

XS
157 cm – 169 cm
S
165 cm – 175 cm
M
171 cm – 181 cm
ML
177 cm – 187 cm
L
183 cm – 193 cm
XL
189 cm – 199 cm
XS
S
M
ML
L
XL
ASEAT TUBE LENGTH (mm)
430
465
500
535
555
585
BSEAT TUBE ANGLE
75.0°
74.0°
73.5°
73.0°
73.0°
73.0°
CTOP TUBE LENGTH (mm)
515
535
550
565
580
595
DHEAD TUBE LENGTH (mm)
115
135
150
170
190
215
EHEAD TUBE ANGLE
71.5°
71.8°
72.0°
72.5°
72.5°
72.5°
FFORK RAKE (mm)
53
53
53
53
53
53
GTRAIL (mm)
62.9
61.3
59.6
56.4
56.4
56.4
HWHEELBASE (mm)
994
1003
1011
1015
1031
1046
ICHAIN STAY LENGTH (mm)
422
422
422
422
422
422
JBOTTOM BRACKET DROP (mm)
80
80
80
80
80
80
KSTACK (mm)
539
559
574
595
614
638
LREACH (mm)
371
375
380
383
392
400
MSTAND OVER HEIGHT (mm)
727
759
783
810
829
856
OSTEM LENGTH (mm)
80
90
100
100
110
110
PCRANK LENGTH (mm)
170
170
172.5
172.5
175
175
QWHEEL SIZE
700C
700C
700C
700C
700C
700C
SIZES
XS, S, M, M/L, L, XL
COLOURS
Good Gray
FRAME
ALUXX-grade aluminium, 12x142mm thru-axle, disc
FORK
Advanced-grade composite, full-composite OverDrive steerer, 12x100mm thru-axle, disc
SHOCK
N/A
HANDLEBAR
Giant Connect XS:40cm, S:40cm, M:42cm, M/L:42cm, L:44cm, XL:44cm
GRIPS
Giant
STEM
Giant Sport XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm
SEATPOST
Giant D-Fuse, alloy, 14mm offset
SADDLE
Giant Approach
PEDALS
N/A
SHIFTERS
Shimano Claris
FRONT DERAILLEUR
Shimano Claris
REAR DERAILLEUR
Shimano Claris
BRAKES
Tektro MD-C550 mechanical, Giant MPH rotors [F]160mm, [R]160mm
BRAKE LEVERS
Shimano Claris
CASSETTE
Shimano CS-HG50, 11x34
CHAIN
KMC Z72
CRANKSET
FSA Tempo, 34/50 XS:170mm, S:170mm, M:172.5mm, M/L:172.5mm, L:175mm, XL:175mm
BOTTOM BRACKET
Cartridge
RIMS
Giant S-R2 Disc wheelset, alloy
HUBS
Giant alloy, 12mm thru-axle
SPOKES
Sapim
TIRES
Giant S-R3 AC, 700x32c (34mm)
EXTRAS
38mm max tyre size
MAX TIRE CLEARANCE
38mm
WEIGHT
The most accurate way to determine any bike’s weight is to have your local dealer weigh it for you. Many brands strive to list the lowest possible weight, but in reality weight can vary based on size, finish, hardware and accessories. All our bikes are designed for best-in-class weight and ride quality.

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