2021 Giant Bicycles Contend AR 1
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS | S | M | ML | L | XL | |
Stack | 539mm | 559mm | 574mm | 595mm | 614mm | 638mm |
Reach | 371mm | 375mm | 380mm | 383mm | 392mm | 400mm |
Stack to Reach Ratio | 1.45:1 | 1.49:1 | 1.51:1 | 1.55:1 | 1.57:1 | 1.6:1 |
Seat Tube Length, Unknown | 430mm | 465mm | 500mm | 535mm | 555mm | 585mm |
Top Tube Length, Unknown | 515mm | 535mm | 550mm | 565mm | 580mm | 595mm |
Top Tube Slope | 14.4deg | 12.6deg | 10.3deg | 8.8deg | 8.5deg | 7.8deg |
Head Tube Angle | 71.5deg | 71.8deg | 72deg | 72.5deg | 72.5deg | 72.5deg |
Seat Tube Angle | 75deg | 74deg | 73.5deg | 73deg | 73deg | 73deg |
Head Tube Length | 115mm | 135mm | 150mm | 170mm | 190mm | 215mm |
Bottom Bracket Drop | 80mm | 80mm | 80mm | 80mm | 80mm | 80mm |
Bottom Bracket Height | 263mm | 263mm | 263mm | 263mm | 263mm | 263mm |
Chainstay Length | 422mm | 422mm | 422mm | 422mm | 422mm | 422mm |
Chainstay Length Horizontal | 414.4mm | 414.4mm | 414.4mm | 414.4mm | 414.4mm | 414.4mm |
Front-Center | 585.2mm | 594.1mm | 602mm | 606mm | 621.8mm | 636.7mm |
Front-Center Horizontal | 579.7mm | 588.7mm | 596.7mm | 600.7mm | 616.7mm | 631.7mm |
Wheelbase | 994mm | 1003mm | 1011mm | 1015mm | 1031mm | 1046mm |
Fork Offset/Rake | 53mm | 53mm | 53mm | 53mm | 53mm | 53mm |
Trail | 58.9mm mid/neutral | 57mm mid/neutral | 55.7mm mid/neutral | 52.6mm mid/neutral | 52.6mm mid/neutral | 52.6mm mid/neutral |
Mechanical Trail | 55.8mm | 54.1mm | 53mm | 50.1mm | 50.1mm | 50.1mm |
Wheel Flop | 17.7mm | 16.9mm | 16.4mm | 15.1mm | 15.1mm | 15.1mm |
Standover Height | 727mm | 759mm | 783mm | 810mm | 829mm | 856mm |
Tire to Pedal Spindle | 72.2mm 170 mm cranks | 81.1mm 170 mm cranks | 86.5mm 172.5 mm cranks | 90.5mm 172.5 mm cranks | 103.8mm 175 mm cranks | 118.7mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 93mm 170 mm cranks | 93mm 170 mm cranks | 90.5mm 172.5 mm cranks | 90.5mm 172.5 mm cranks | 88mm 175 mm cranks | 88mm 175 mm cranks |
AR 1 Build
XS | S | M | ML | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm |
Tire Width Max | 38mm | 38mm | 38mm | 38mm | 38mm | 38mm |
Tire Outer Diameter | 686mm | 686mm | 686mm | 686mm | 686mm | 686mm |
Bike Length with Tires | 1680mm | 1689mm | 1697mm | 1701mm | 1717mm | 1732mm |
Crank Length | 170mm | 170mm | 172.5mm | 172.5mm | 175mm | 175mm |
Handlebar Width | 400mm | 400mm | 420mm | 420mm | 440mm | 440mm |
Stem Length | 80mm | 90mm | 100mm | 100mm | 110mm | 110mm |
Published Sizing Recommendations
Height | 157 cm to 169 cm | 165 cm to 175 cm | 171 cm to 181 cm | 177 cm to 187 cm | 183 cm to 193 cm | 189 cm to 199 cm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Endurance RoadSource:https://www.giant-bicycles.com/us/contend-ar-1-2021