2018 Trek · MDB
2018 Trek Top Fuel Carbon MKII geometry
Full frame geometry for the 2018 Trek Top Fuel Carbon MKII, 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) | Chainstay (mm) | Wheelbase (mm) | Trail (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15.5 | 561 | 392 | 69.5 | 69.9 | 100 | 558 | 394 | 732 | 25 | 427 | 1064 | 80 |
| 17.5 | 577 | 427 | 68.5 | 70 | 90 | 593 | 419 | 724 | 39 | 435 | 1111 | 80 |
| 18.5 | 577 | 443 | 68.5 | 70 | 90 | 609 | 445 | 719 | 39 | 435 | 1127 | 80 |
| 19.5 | 587 | 457 | 68.5 | 70 | 100 | 625 | 470 | 719 | 39 | 435 | 1144 | 80 |
| 21.5 | 606 | 472 | 68.5 | 70 | 120 | 646 | 495 | 719 | 39 | 435 | 1166 | 80 |
All measurements in millimetres unless marked (°) for angles.