2018 Specialized · R
2018 Specialized Allez MKIII geometry
Full frame geometry for the 2018 Specialized Allez MKIII, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 49 | 535 | 374 | 75.2 | 72.2 | 120 | 515 | 460 | 740 | 77 | 575 | 415 | 978 | 47 | 59 |
| 52 | 552 | 376 | 73.2 | 73 | 135 | 542 | 490 | 755 | 77 | 576 | 415 | 978 | 47 | 55 |
| 54 | 570 | 380 | 73.2 | 73 | 155 | 552 | 510 | 775 | 76 | 585 | 415 | 988 | 47 | 55 |
| 56 | 596 | 385 | 73.2 | 73.5 | 180 | 564 | 530 | 795 | 76 | 593 | 415 | 996 | 47 | 52 |
| 58 | 627 | 390 | 73.2 | 73.5 | 215 | 579 | 550 | 826 | 74 | 607 | 415 | 1011 | 47 | 52 |
| 61 | 649 | 396 | 73.2 | 74 | 235 | 591 | 580 | 850 | 74 | 614 | 415 | 1018 | 47 | 49 |
All measurements in millimetres unless marked (°) for angles.