Sizing and Geometry
Giant Trinity
Sizing chart to be used as a reference only. The best way to determine your size is to visit us in-store and get fitted.
| Frame size | Rider Height | Rider Height (cm) |
| XS | 5'3"-5'7" | 159-169 |
| S | 5'5"-5'9" | 166-176 |
| M | 5'8"-6'0" | 173-182 |
| L | 5'11"-6'3" | 181-191 |
Geometry
| XS | S | M | L | ||
|---|---|---|---|---|---|
| A | Seat Tube Length (mm) | 482 | 495 | 525 | 552 |
| B | Seat Tube Angle | 77.0° | 77.0° | 77.0° | 77.0° |
| C | Top Tube Length (mm) | 510 | 530 | 554 | 579 |
| D | Head Tube Length (mm) | 85 | 105 | 125 | 145 |
| E | Head Tube Angle | 72.0° | 73.0° | 73.0° | 73.0° |
| F | Fork Rake (mm) | 40 | 40 | 40 | 40 |
| G | Trail (mm) | 69.4 | 63 | 63 | 63 |
| H | Wheelbase (mm) | 974 | 988 | 1013 | 1039 |
| I | Chain Stay Length (mm) | 405 | 405 | 405 | 405 |
| J | Bottom Bracket Drop (m) | 70 | 70 | 70 | 70 |
| K | Stack (mm) | 490 | 513 | 532 | 551 |
| L | Reach (mm) | 397 | 412 | 432 | 452 |
| M | Stand Over Height (mm) | 758 | 786 | 814 | 838 |
| P | Crank Length (mm) | 160 | 165 | 170 | 172.5 |
| Q | Wheel Size | 700C | 700C | 700C | 700C |
| R | Arm Pad Stack | (TRI) 629-709 | (TT) 582-662 | (TRI) 653-733 | (TT) 605-685 | (TRI) 672-752 | (TT) 624-704 | (TRI) 691-771 | (TT) 643-723 |
| S | Arm Pad Reach | (TRI) 323-398 | (TT) 339-414 | (TRI) 340-415 | (TT) 355-430 | (TRI) 360-435 | (TT) 375-450 | (TRI) 380-455 | (TT) 395-470 |
| V | Pad Reach Min | 323 | 338 | 358 | 378 |
| W | Pad Reach Man | 398 | 413 | 433 | 453 |