2018 Surly · A
2018 Surly Lowside Suspension geometry
Full frame geometry for the 2018 Surly Lowside Suspension, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XS | 564 | 388 | 71.4 | 67.3 | 110 | 578 | 316 | 729 | 36 | 653 | 425 | 1077 | 42 | 106 |
| S | 580 | 404 | 71.4 | 67.4 | 125 | 598 | 366 | 755 | 36 | 674 | 425 | 1098 | 42 | 106 |
| M | 594 | 420 | 71.5 | 67.5 | 140 | 618 | 416 | 787 | 36 | 694 | 425 | 1120 | 42 | 105 |
| L | 608 | 436 | 71.5 | 67.5 | 155 | 638 | 466 | 817 | 37 | 716 | 425 | 1140 | 42 | 105 |
| XL | 622 | 451 | 71.6 | 67.6 | 170 | 658 | 516 | 848 | 37 | 736 | 425 | 1162 | 42 | 104 |
All measurements in millimetres unless marked (°) for angles.