Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Giant
2021 Giant Contend AR 2
Value Guide market data · 2021 Giant Contend AR 2
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All Contend model years
2021 Contend AR 2 lineup
Overview
About this bike
2021 Giant Contend AR 2 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- Advanced-Grade Composite, full-composite OverDrive steerer, disc
- Frame
- ALUXX-Grade Aluminum, disc
Drivetrain
- Groupset
- Shimano Tiagra
- Bottom Bracket
- Cartridge
- Cassette
- Shimano Tiagra, 10-speed, 11x34
- Chain
- KMC X10-1
- Chainrings
- 34/50T
- Crankset
- Shimano Tiagra
- Front Derailleur
- Shimano Tiagra
- Rear Derailleur
- Shimano Tiagra
- Shifters
- Shimano Tiagra
Brakes
- Brake Levers
- Shimano Tiagra
- Brakes
- Tektro MD-C550 mechanical, 160mm
Cockpit
- Handlebars
- Giant Connect
- Saddle
- Giant Approach, UniClip accessory mount
- Seatpost
- Giant D-Fuse, composite
- Stem
- Giant Sport
Wheels & Tires
- Hubs
- Giant S-R2 Disc wheelset, 12mm thru-axle
- Rims
- Giant S-R2 Disc wheelset
- Spokes
- Stainless
- Tires
- Giant Gavia Fondo 2, 700x32c, tubeless
Pedals
- Pedals
- Platform
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Carbon inspection
Tap test the frame, fork, seatpost, and bars for cracks; verify no impact damage near dropouts.
Inspection
Brake hoses & cables
Check hydraulic line bleed, cable housing wear, and confirm rotors are within spec.