Gravel
Enigma Esker
2026 · 700c wheels · 11 sizes
Handbuilt titanium gravel frame from Enigma's Signature range, made to order in Sussex from Reynolds 3Al/2.5V tubing, with clearance for 700c or 650b tyres up to 50 mm. Enigma offers 11 stock sizes named by effective top tube length in centimetres, plus a full custom geometry option. It is sold as a frame or as a custom-specified complete bike, so there is no single stock build.
Source: www.enigmabikes.com/products/enigma-esker-gravel-bike
I ride:
Size run
Published geometry by size. How each size rides and fits for your rider profile loads with the page.
| Size | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stack (mm) | 534 | 544 | 553 | 564 | 573 | 583 | 595 | 604 | 614 | 625 | 635 |
| Reach (mm) | 364 | 366 | 369 | 371 | 374 | 381 | 388 | 390 | 391 | 398 | 405 |
| Head angle (°) | 70.5 | 70.5 | 70.5 | 71.0 | 71.0 | 71.0 | 71.5 | 71.5 | 71.5 | 72.0 | 72.0 |
| Seat angle (°) | 76.0 | 75.5 | 75.0 | 74.5 | 74.0 | 74.0 | 74.0 | 73.5 | 73.0 | 73.0 | 73.0 |