2017 GT · MDW
2017 GT Helion GTw geometry
Full frame geometry for the 2017 GT Helion GTw, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XS | 550 | 358 | 70.5 | 69.1 | 90 | 553 | 460 | 785 | 26 | 625 | 438 | 1062 | 42 |
| S | 562 | 380 | 70.5 | 69.5 | 90 | 579 | 460 | 785 | 26 | 639 | 438 | 1076 | 42 |
| M | 574 | 403 | 70.5 | 69.5 | 103 | 606 | 460 | 785 | 26 | 653 | 438 | 1090 | 42 |
| L | 589 | 425 | 70.5 | 69.5 | 119 | 634 | 490 | 807 | 26 | 681 | 438 | 1118 | 42 |
| XL | 604 | 450 | 70.5 | 69.5 | 135 | 664 | 520 | 830 | 26 | 711 | 438 | 1148 | 42 |
All measurements in millimetres unless marked (°) for angles.