2018 Brother Cycles · MR
2018 Brother Cycles Big Bro geometry
Full frame geometry for the 2018 Brother Cycles Big Bro, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S/16 | 598 | 392 | 73 | 69.5 | 95 | 575 | 406 | 782 | 60 | 640 | 445 | 1079 | 46 | 90 |
| M/18 | 605 | 410 | 73 | 70 | 100 | 595 | 457 | 810 | 60 | 655 | 445 | 1094 | 46 | 86 |
| L/20 | 616 | 427 | 73 | 70.5 | 110 | 615 | 508 | 840 | 60 | 671 | 445 | 1109 | 46 | 83 |
| XL/22 | 630 | 437 | 73 | 70.5 | 125 | 630 | 559 | 871 | 60 | 686 | 445 | 1124 | 46 | 83 |
All measurements in millimetres unless marked (°) for angles.