Bike Size Chart - GT Grade
Sizing and Geometry
GT Grade
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.
| Size |
Rider Height (cm) |
| XS |
152-165cm |
| S |
160-172cm |
| M |
170-179cm |
| L |
180-188cm |
| XL |
187-195cm |
Geometry
| Measurement |
XS |
SM |
MD |
LG |
XL |
| Seat Tube Length (mm) |
400 |
450 |
500 |
550 |
600 |
| Top Tube Length (mm) |
506 |
530 |
560 |
591 |
623 |
| Head Tube Length (mm) |
94 |
106 |
134 |
162 |
191 |
| Head Tube Angle (°) |
71.0 |
71.2 |
71.5 |
72.0 |
72.2 |
| Seat Tube Angle (°) |
73 |
73 |
73 |
73 |
73 |
| Chainstay Length (mm) |
440 |
440 |
440 |
440 |
440 |
| Wheelbase (mm) |
1034 |
1050 |
1080 |
1109 |
1139 |
| Bottom Bracket Drop (mm) |
75 |
75 |
75 |
75 |
75 |
| Bottom Bracket Height (mm) |
284 |
284 |
284 |
284 |
284 |
| Stack (mm) |
535 |
550 |
577 |
603 |
630 |
| Reach (mm) |
365 |
385 |
405 |
425 |
445 |
| Front Center (mm) |
605 |
621 |
651 |
680 |
709 |
| Rake (mm) |
50 |
50 |
50 |
50 |
50 |
| Trail (mm) |
65 |
63 |
61 |
58 |
57 |
| Standover Height (mm) |
728 |
756 |
782 |
803 |
830 |
