Giant
Giant Contend AR 4
Giant Contend AR 4
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Smooth, fast and fun. This versatile aluminum road bike has been revamped to give it a well-rounded performance ride quality. It’s the perfect choice to help you push the pace, ride more miles, and expand your road riding experience.
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 design reduces road shocks and vibrations, and a Giant WheelSystem lets you run tubeless tires up to 28c for a smoother ride quality and reduced risk of flats.
Lightweight Efficiency
Seamless brake integration produces more consistent braking power for better control, even in wet weather and rough roads
HIGHLIGHTS
Designed for aspiring riders aiming to ride a little faster and go a little farther, Contend offers a smooth, efficient ride quality and a quick, agile feel on the road. The innovative D-Fuse seatpost helps reduce road shocks and vibrations, and there’s enough frame and fork clearance to run wider tires (up to 32mm) to further smooth out the ride. Engineered and built in Giant’s industry-leading aluminum forging facility, it’s a true all-rounder for ambitious road riders.
SIZING GUIDE AND GEOMETRY
Sizing to be used as a reference only. Please check with a local authorized Liv or Giant dealer to determine the correct size.
Available sizes may vary from country to country.

S | M | ML | L | XL | ||
---|---|---|---|---|---|---|
A | SEAT TUBE LENGTH (inch) | 18.3 | 19.7 | 21.1 | 21.9 | 23 |
B | SEAT TUBE ANGLE | 74.0° | 73.5° | 73.0° | 73.0° | 73.0° |
C | TOP TUBE LENGTH (inch) | 21.1 | 21.7 | 22.2 | 22.8 | 23.4 |
D | HEAD TUBE LENGTH (inch) | 5.3 | 5.9 | 6.7 | 7.5 | 8.5 |
E | HEAD TUBE ANGLE | 71.8° | 72.0° | 72.5° | 72.5° | 72.5° |
F | FORK RAKE (inch) | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 |
G | TRAIL (inch) | 2.4 | 2.3 | 2.2 | 2.2 | 2.2 |
H | WHEELBASE (inch) | 39.5 | 39.8 | 40 | 40.6 | 41.2 |
I | CHAIN STAY LENGTH (inch) | 16.6 | 16.6 | 16.6 | 16.6 | 16.6 |
J | BOTTOM BRACKET DROP (inch) | 3.1 | 3.1 | 3.1 | 3.1 | 3.1 |
K | STACK (inch) | 22 | 22.6 | 23.4 | 24.2 | 25.1 |
L | REACH (inch) | 14.8 | 15 | 15.1 | 15.4 | 15.7 |
M | STAND OVER HEIGHT (inch) | 29.9 | 30.8 | 31.9 | 32.6 | 33.7 |
N | HANDLEBAR WIDTH (inch) | 15.7 | 16.5 | 16.5 | 17.3 | 17.3 |
O | STEM LENGTH (inch) | 3.5 | 3.9 | 3.9 | 4.3 | 4.3 |
P | CRANK LENGTH (inch) | 6.7 | 6.8 | 6.8 | 6.9 | 6.9 |
Q | WHEEL SIZE | 700C | 700C | 700C | 700C | 700C |
Technical Specifications
Technical Specifications
SPECS
Sizes - XS, S, M, M/L, L, XL
Colors - Black, Hematite
Frame - ALUXX-Grade Aluminum, disc
Fork - Advanced-Grade Composite, full-composite OverDrive steerer, disc
Shock - N/A
Handlebar - Giant Connect XS:40cm, S:40cm, M:42cm, M/L:42cm, L:44cm, XL:44cm
Grips - Velo cork tape with gel
Stem - Giant Sport XS:80mm, S:90mm, M:100mm, M/L:110mm, L:110mm, XL:110mm
Seatpost - Giant D-Fuse, alloy, 14mm offset
Saddle - Giant Approach
Pedals - platform pedal
Shifters - Shimano Claris
Front Derailleur - Shimano Claris
Rear Derailleur - Shimano Claris
Brakes - Tektro MD-C550, 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
Hubs - Giant S-R2 Disc wheelset
Spokes - Giant S-R2 Disc wheelset
Tires - Giant S-R3 AC, 700x32c (34mm)
Extras - 38mm max tire size
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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