2017 Polygon · US
2017 Polygon Sierra Deluxe Sport Gent geometry
Full frame geometry for the 2017 Polygon Sierra Deluxe Sport Gent, 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) |
|---|---|---|---|---|---|---|---|---|---|
| M | 610 | 409 | 73.5 | 69 | 135 | 590 | 480 | 777 | 50 |
| L | 652 | 407 | 73.5 | 69 | 180 | 600 | 520 | 818 | 50 |
All measurements in millimetres unless marked (°) for angles.