2026 Surly · G
2026 Surly Grappler geometry
Full frame geometry for the 2026 Surly Grappler, 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) | Chainstay (mm) | Wheelbase (mm) | Fork rake (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X-Small | 585 | 381 | 73 | 69.5 | 160 | 560 | 316 | 719 | 50 | 425 | 1057 | 50 |
| Small | 604 | 405 | 73 | 69.5 | 180 | 590 | 386 | 762 | 50 | 425 | 1088 | 50 |
| Medium | 623 | 420 | 73 | 69.5 | 200 | 610 | 437.2 | 795 | 50 | 425 | 1109 | 50 |
| Large | 641 | 444 | 73 | 69.5 | 220 | 640 | 488 | 829 | 50 | 425 | 1140 | 50 |
| X-Large | 660 | 458 | 73 | 69.5 | 240 | 660 | 539 | 862 | 50 | 425 | 1162 | 50 |
All measurements in millimetres unless marked (°) for angles.