BMC Roadmachine AL X geometry
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Size S
Render
Align
Geometry
| Size | XS | S | M | L | XL |
|---|---|---|---|---|---|
| Stack mm | 525 | 550 | 580 | 610 | 640 |
| Reach mm | 390 | 400 | 410 | 420 | 430 |
| Head tube angle ° | 70.0 | 70.0 | 70.0 | 70.0 | 70.0 |
| Seat tube angle ° | 74.0 | 74.0 | 74.0 | 74.0 | 74.0 |
| Head tube length mm | 92 | 118 | 150 | 182 | 214 |
| Seat tube mm | 430 | 445 | 475 | 505 | 540 |
| Chainstay mm | 430 | 430 | 430 | 430 | 430 |
| BB drop mm | 69 | 69 | 69 | 69 | 69 |
| Fork rake mm | 45 | 45 | 45 | 45 | 45 |
| Stack to reach | 1.35 | 1.38 | 1.41 | 1.45 | 1.49 |
| Effective top tube mmi | 541 | 558 | 576 | 595 | 614 |
| Wheelbase mmi | 1028 | 1047 | 1068 | 1089 | 1110 |
SizeSkey specs
Stack-to-reach (size S)1.38More aggressive (lower and longer) than 98% of gravel frames in the database at comparable sizes.
Closest geometry matches (size S)
Matched by stack, reach and head tube angle.
More from BMC
Nearest size to the Roadmachine AL X S.