2018 B-Twin · U
2018 B-Twin Triban 100 Flatbar geometry
Full frame geometry for the 2018 B-Twin Triban 100 Flatbar, 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) | Chainstay (mm) | Wheelbase (mm) |
|---|---|---|---|---|---|---|---|---|---|
| XS | 539 | 376 | 74 | 71.5 | 125 | 525 | 450 | 425 | 1001 |
| S | 555 | 376 | 74 | 72 | 140 | 535 | 480 | 425 | 1001 |
| M | 580 | 376 | 73.5 | 72.5 | 165 | 548 | 500 | 425 | 1005 |
| L | 611 | 383 | 73.5 | 73 | 195 | 564 | 520 | 425 | 1016 |
| XL | 640 | 385 | 73 | 73 | 225 | 580 | 530 | 425 | 1026 |
All measurements in millimetres unless marked (°) for angles.