The geometry chart below applies to all Giant Contend frames from the following:
- Years: 2021, 2022, 2023
- Models: AR 1, 2, 3, 4
- Frame material: Aluminum
| Frame Size | XS | S | M | ML | L | XL |
|---|---|---|---|---|---|---|
| Suggested Rider Height (cm) | 157 to 169 | 165 to 175 | 171 to 181 | 177 to 187 | 183 to 193 | 189 to 199 |
| Suggested Rider Height (ft) | 5’2″ to 5’7″ | 5’5″ to 5’9″ | 5’7″ to 5’11” | 5’10” to 6’2″ | 6’0″ to 6’4″ | 6’2″ to 6’6″ |
| Stack (mm) | 539 | 559 | 574 | 595 | 614 | 638 |
| Reach (mm) | 371 | 375 | 380 | 383 | 392 | 400 |
| Top Tube (mm) | 515 | 535 | 550 | 565 | 580 | 595 |
| Seat Tube (mm) | 430 | 465 | 500 | 535 | 555 | 585 |
| Seat Tube Angle | 75° | 74° | 73.5° | 73° | 73° | 73° |
| Head Tube (mm) | 115 | 135 | 150 | 170 | 190 | 215 |
| Head Tube Angle | 71.5° | 71.8° | 72° | 72.5° | 72.5° | 72.5° |
| Fork Offset (mm) | 53 | 53 | 53 | 53 | 53 | 53 |
| Fork Trail (mm) | 62.9 | 61.3 | 59.6 | 56.4 | 56.4 | 56.4 |
| Wheelbase (mm) | 994 | 1003 | 1011 | 1015 | 1031 | 1046 |
| Chainstay (mm) | 422 | 422 | 422 | 422 | 422 | 422 |
| BB Drop (mm) | 80 | 80 | 80 | 80 | 80 | 80 |
| Standover 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 | 172.5 | 172.5 | 175 | 175 |
Read more about the frame geometry measurements here.
Source : Giant Bikes
Alex Lee is the founder and editor-at-large of Mr. Mamil. Coming from a professional engineering background, he breaks down technical cycling nuances into an easy-to-understand and digestible format here.
He has been riding road bikes actively for the past 12 years and started racing competitively in the senior category during the summer recently.