• Contend AR4 (2025) - Bicycle Warehouse
  • Contend AR4 (2025) - Bicycle Warehouse
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Giant Contend AR4 (2025)

Giant Contend AR4 (2025)

$1,149.99
$1,149.99 $1,149.99
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Color: Purple
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Free $100 Gift Card with the purchase of this bike! | Learn More.
Our Platinum Pro Assembly fee of only $89 will be added at checkout to cover the professional bike build and re-packaging by our certified teach team. Your new Giant bike comes 90% built, reassembly is quick and easy with our video guides.

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Size & Fit Guide

 Size Height Range
X-Small 5'2"-5'7"
Small 5'5"-5'9"
Medium 5'7"-5'11"
Medium/Large 5'10"-6'2"
Large 6'0"-6'4"
X-Large 6'2"-6'6"

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Ready to hit the road like a pro? Check out the Contend AR 4 Road Bike! It's not just any bike; it's an all-rounder that can handle any terrain you throw its way. Whether it's a smooth asphalt road or a rough gravel trail, this bike has got your back with balanced road geometry, confident rider positioning, and agile cornering and acceleration. 

Plus, with the innovative D-Fuse seatpost and Giant WheelSystem with tubeless tires up to 38mm, you'll enjoy a smooth ride quality, reduced risk of flats, and less road shocks and vibrations. And don't forget about total control! The seamless disc brake integration and 12mm front and rear thru-axles ensure consistent braking power, even in wet weather and on rough roads. So, what are you waiting for? Get on the Contend AR 4 Road Bike and explore the world with confidence and control!

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 WheelSystem lets you run tubeless tires 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.

  • Sizes XS, S, M, M/L, L, XL
  • Colors Milky Way, Good Gray
  • Frame ALUXX-grade aluminum, 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
  • 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 [GU,GV,GJ] pedal with toe clips/straps [rest of GSC]
  • 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
  • CassetteShimano 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)
  • Extrasfender mount, 38mm max tire size
ALUXX Aluminum Technology

ALUXX Aluminum 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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D-Fuse

D-Fuse

The proprietary “D” shaped composite seatpost damps vibration, resulting in a smooth, compliant ride.

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Compact Road Design

Compact Road Design

The world's first Compact Road frame is introduced and ridden by the ONCE ProTour team. With a dramatically sloping toptube and a compact rear triangle, the new design increases rigidity, improves handling and reduces weight. ONCE rider Joseba Beloki will ride the Giant TCR (Total Compact Road) to two Tour de France podiums.

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Overdrive

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.

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Tubeless System

Tubeless System

Whether you’re cornering in a crit, climbing technical singletrack or cruising through the city, you'll be free to ride without worrying about your bike's tires on your next adventure.

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  XS S M ML L XL
Seat Tube Length (MM) 430 465 500 535 555 585
Seat Tube Angle 75.0° 74.0° 73.5° 73.0° 73.0° 73.0°
Top Tube Length (MM) 515 535 550 565 580 595
Head Tube Length (MM) 115 135 150 170 190 215
Head Tube Angle 71.5° 71.8° 72.0° 72.5° 72.5° 72.5°
Fork Rake (MM) 53 53 53 53 53 53
Trail (MM) 62.9 61.3 59.6 56.4 56.4 56.4
Wheelbase (MM) 994 1003 1011 1015 1031 1046
Chain Stay Length (MM) 422 422 422 422 422 422
Bottom Bracket Drop (MM) 80 80 80 80 80 80
Stack (MM) 539 559 574 595 614 638
Reach (MM) 371 375 380 383 392 400
Stand Over Height (MM) 727 759 783 810 829 856
Handlebar Width (MM) 400 400 420 420 440 440
Stem Length (MM) 80 90 100 100 110 110
Crank Length (MM) 170 170 172 172 175 175
Wheel Size 700C 700C 700C 700C 700C 700C

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