2025 Rivendell Atlantis vs 2027 Trek 920 Frameset
The 56 is the Trek 920 Frameset size closest to your 53 Rivendell Atlantis. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Trek 920 Frameset
Compared with the Rivendell Atlantis in 53, the Trek 920 Frameset in 56 places the top of the head tube 12 mm higher and 4 mm further back, relative to the bottom bracket.
- Frame stack
- +12 mm
- Higher front end
- Frame reach
- −4 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- n/a
- One of the bikes has no number for this
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Rivendell Atlantis numbers we have for size 53 are missing the head angle, seat angle, chainstay length and wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Rivendell Atlantis 53 | Trek 920 Frameset 56 | Difference |
|---|---|---|---|
| Reach | 399 | 395 | −4 mm |
| Stack | 596 | 608 | +12 mm |
| Head tube angle | not listed | 71.3° | |
| Seat tube angle | not listed | not listed | |
| Effective top tube | not listed | 578 | |
| BB drop | 48 | 85 | +37 mm |
| Standover | not listed | 778 | |
| Seat tube length | 530 | 510 | −20 mm |
| Chainstay length | not listed | 465 | |
| Wheelbase | not listed | 1088 | |
| BB height | not listed | 283 | |
| Head tube length | not listed | 145 |
Differences are the Trek 920 Frameset minus the Rivendell Atlantis. Full charts: 2025 Rivendell Atlantis, 2027 Trek 920 Frameset.
Where each sits in its class
Rivendell AtlantisTrek 920 Frameset
Each bike is ranked against the other gravel bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Rivendell AtlantisAtlantis | Trek 920 Frameset |
|---|---|---|
| Frame | Rivendell Atlantis | not listed |
| Fork | threaded | not listed |
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