2019 B-Twin · MHB
2019 B-Twin Rockrider ST 520 geometry
Full frame geometry for the 2019 B-Twin Rockrider ST 520, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S | 588 | 375 | 73 | 69.5 | 110 | 555 | 421 | 805 | 43 | 628 | 430 | 1054 | 42 |
| M | 607 | 399 | 73 | 69.5 | 130 | 585 | 432 | 820 | 43 | 659 | 430 | 1085 | 42 |
| L | 617 | 427 | 73 | 69.5 | 140 | 615 | 443 | 831 | 43 | 689 | 430 | 1116 | 42 |
| XL | 635 | 441 | 73 | 69.5 | 160 | 635 | 493 | 866 | 43 | 710 | 430 | 1137 | 42 |
All measurements in millimetres unless marked (°) for angles.