The geometry chart below applies to all Ridley Noah frames from the following:
- Years: 2020, 2021, 2022, 2023
- Models: Ridley Noah Fast, Noah
- Frame material: Carbon
| Frame Size | XXS | XS | S | M | L | XL |
|---|---|---|---|---|---|---|
| Stack (mm) | 493 | 516 | 541 | 565 | 591 | 616 |
| Reach (mm) | 375 | 378 | 385 | 393 | 401 | 409 |
| Top Tube, Effective (mm) | 512 | 526 | 545 | 565 | 587 | 603 |
| Seat Tube, C-T (mm) | 430 | 455 | 480 | 505 | 530 | 555 |
| Seat Tube Angle | 74.5º | 74º | 73.5º | 73º | 72.5º | 72.5º |
| Head Tube (mm) | 95 | 117 | 140 | 164 | 194 | 218 |
| Head Tube Angle | 71.5º | 72º | 73º | 73.5º | 73.5º | 74º |
| Chainstay (mm) | 405 | 405 | 405 | 405 | 408 | 408 |
| BB Offset (mm) | 68 | 68 | 66 | 66 | 63 | 63 |
| Wheelbase (mm) | 969 | 975 | 977 | 987 | 1007 | 1017 |
Source : Ridley Bikes
Learn more about the frame geometry measurements here.