Genesis Datum geometry
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Size M
Render
Align
Geometry
| Size | XS | S | M | L | XL |
|---|---|---|---|---|---|
| Stack mm | 544 | 563 | 585 | 602 | 621 |
| Reach mm | 365 | 375 | 385 | 395 | 405 |
| Head tube angle ° | 72.0 | 72.0 | 72.0 | 72.0 | 72.0 |
| Seat tube angle ° | 73.5 | 73.5 | 73.25 | 73.0 | 73.0 |
| Head tube length mm | 115 | 135 | 155 | 175 | 195 |
| Seat tube mm | 460 | 490 | 520 | 540 | 570 |
| Chainstay mm | 420 | 420 | 420 | 420 | 420 |
| BB drop mm | 72 | 72 | 72 | 72 | 72 |
| Fork rake mm | 50 | 50 | 50 | 50 | 50 |
| Stack to reach | 1.49 | 1.50 | 1.52 | 1.52 | 1.53 |
| Effective top tube mmi | 526 | 542 | 561 | 579 | 595 |
| Wheelbase mmi | 985 | 1001 | 1018 | 1034 | 1050 |
SizeMkey specs
Stack-to-reach (size M)1.52More relaxed (taller and shorter) than 64% of gravel frames in the database at comparable sizes.
Closest geometry matches (size M)
Matched by stack, reach and head tube angle.
More from Genesis
Nearest size to the Datum M.