2018 Thesis · G
2018 Thesis OB1 geometry
Full frame geometry for the 2018 Thesis OB1, size by size — stack, reach, angles and tube lengths.
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Geometry by size
| Size | Stack (mm) | Reach (mm) | Seat angle (°) | Head angle (°) | Head tube (mm) | Top tube (mm) | Seat tube (mm) | Standover (mm) | BB drop (mm) | Front centre (mm) | Chainstay (mm) | Wheelbase (mm) | Fork rake (mm) | Trail (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XS | 521 | 356 | 73 | 70 | 110 | 515 | 440 | 752 | 73 | 578 | 420 | 987 | 51 | 73 |
| S | 551 | 363 | 73 | 71 | 138 | 531 | 470 | 782 | 73 | 586 | 420 | 995 | 51 | 67 |
| M | 571 | 378 | 73 | 72 | 155 | 547 | 500 | 808 | 73 | 598 | 420 | 1007 | 51 | 60 |
| L | 595 | 388 | 73 | 72 | 180 | 570 | 530 | 836 | 73 | 616 | 420 | 1025 | 51 | 60 |
| XL | 614 | 403 | 73 | 72 | 200 | 591 | 560 | 861 | 73 | 637 | 420 | 1046 | 51 | 60 |
All measurements in millimetres unless marked (°) for angles.