BMC Roadmachine geometry
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Size 54
Render
Align
Geometry
| Size | 47 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|
| Stack mm | 516 | 562 | 586 | 610 | 644 |
| Reach mm | 374 | 386 | 390 | 394 | 398 |
| Head tube angle ° | 71.2 | 72.0 | 72.0 | 72.0 | 72.0 |
| Seat tube angle ° | 74.2 | 74.2 | 74.2 | 74.2 | 74.2 |
| Head tube length mm | 112 | 156 | 181 | 206 | 242 |
| Seat tube mm | 420 | 500 | 522 | 539 | 573 |
| Chainstay mm | 410 | 410 | 410 | 410 | 410 |
| BB drop mm | 71 | 71 | 71 | 71 | 71 |
| Fork rake mm | 50 | 45 | 45 | 45 | 45 |
| Stack to reach | 1.38 | 1.46 | 1.50 | 1.55 | 1.62 |
| Effective top tube mmi | 520 | 545 | 556 | 567 | 580 |
| Wheelbase mmi | 982 | 997 | 1008 | 1020 | 1035 |
Size54key specs
Stack-to-reach (size 54)1.46More relaxed (taller and shorter) than 57% of road frames in the database at comparable sizes.
Closest geometry matches (size 54)
Matched by stack, reach and head tube angle.
More from BMC
Nearest size to the Roadmachine 54.