2027 Trek 920 Frameset vs 2025 Rivendell Atlantis
The 55 is the Rivendell Atlantis size closest to your 61 Trek 920 Frameset. 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 Rivendell Atlantis
Compared with the Trek 920 Frameset in 61, the Rivendell Atlantis in 55 places the top of the head tube 25 mm lower and about as far forward, relative to the bottom bracket.
- Frame stack
- −25 mm
- Lower front end
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −1.5°
- Slacker: calmer steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Trek 920 Frameset numbers we have for size 61 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek 920 Frameset 61 | Rivendell Atlantis 55 | Difference |
|---|---|---|---|
| Reach | 405 | 407 | +2 mm |
| Stack | 642 | 617 | −25 mm |
| Head tube angle | 71.5° | 70 | −1.5° |
| Effective top tube | 604 | not listed | |
| Chainstay length | 465 | not listed | |
| Wheelbase | 1107 | not listed | |
| BB drop | 85 | 80 | −5 mm |
| BB height | 283 | not listed | |
| Standover | 817 | not listed | |
| Seat tube length | 560 | 550 | −10 mm |
| Head tube length | 180 | not listed | |
| Seat tube angle | not listed | 72 |
Differences are the Rivendell Atlantis minus the Trek 920 Frameset. Full charts: 2027 Trek 920 Frameset, 2025 Rivendell Atlantis.
Where each sits in its class
Trek 920 FramesetRivendell Atlantis
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 | Trek 920 Frameset | Rivendell AtlantisAtlantis |
|---|---|---|
| Frame | not listed | Rivendell Atlantis |
| Fork | not listed | threaded |
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