2015 Rocky Mountain · MD
2015 Rocky Mountain Thunderbolt geometry
Full frame geometry for the 2015 Rocky Mountain Thunderbolt, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XS | 573 | 381 | 74.5 | 68.5 | 100 | 540 | 381 | 696 | 20 | 652 | 422 | 1073 |
| S | 582 | 404 | 74.5 | 68.5 | 110 | 565 | 419 | 696 | 20 | 679 | 422 | 1100 |
| M | 591 | 426 | 74.5 | 68.5 | 120 | 590 | 457 | 696 | 20 | 705 | 422 | 1126 |
| L | 601 | 449 | 74.5 | 68.5 | 130 | 615 | 483 | 696 | 20 | 731 | 422 | 1152 |
| XL | 615 | 475 | 74.5 | 68.5 | 145 | 645 | 521 | 696 | 20 | 763 | 422 | 1184 |
All measurements in millimetres unless marked (°) for angles.