2027 Trek Checkpoint SL Gen 3 vs 2025 Rivendell Atlantis
The 53 is the Rivendell Atlantis size closest to your ML Trek Checkpoint SL Gen 3. 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 Checkpoint SL Gen 3 in ML, the Rivendell Atlantis in 53 places the top of the head tube 5 mm lower and about as far forward, relative to the bottom bracket.
- Frame stack
- −5 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
- 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
Only the Trek Checkpoint SL Gen 3 is drawn. The Rivendell Atlantis numbers we have for size 53 are missing the head angle, seat angle, chainstay length and wheelbase.
Geometry side by side
| Measurement | Trek Checkpoint SL Gen 3 ML | Rivendell Atlantis 53 | Difference |
|---|---|---|---|
| Reach | 397 | 399 | +2 mm |
| Stack | 601 | 596 | −5 mm |
| Head tube angle | 72.0° | not listed | |
| Seat tube angle | 72.8° | not listed | |
| Effective top tube | 578 | not listed | |
| Chainstay length | 430 | not listed | |
| Wheelbase | 1042 | not listed | |
| BB drop | 76 | 48 | −28 mm |
| Standover | 813 | not listed | |
| Seat tube length | 530 | 530 | ±0 mm |
| Head tube length | 151 | not listed |
Differences are the Rivendell Atlantis minus the Trek Checkpoint SL Gen 3. Full charts: 2027 Trek Checkpoint SL Gen 3, 2025 Rivendell Atlantis.
Where each sits in its class
Trek Checkpoint SL Gen 3Rivendell 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 Checkpoint SL Gen 3SL 5 AXS Gen 3 | Rivendell AtlantisAtlantis |
|---|---|---|
| Fork | Trek Checkpoint | threaded |
| Shifter | SRAM Apex AXS | not listed |
| Derailleur | SRAM Apex XPLR eTap AXS | not listed |
| Cassette | SRAM XPLR PG-1231 | not listed |
| Chain | SRAM Apex | not listed |
| Crankset | SRAM Apex 1 | not listed |
| Bottom bracket | SRAM DUB | not listed |
| Battery | SRAM AXS | not listed |
| Wheelset | Bontrager Paradigm SL TLR | not listed |
| Tire | Bontrager Girona RSL | not listed |
| Rotor | SRAM Paceline | not listed |
| Handlebar | Bontrager Elite Gravel | not listed |
| Headset | Bontrager Expander Plug | not listed |
| Saddle | Trek Verse | not listed |
| Frame | not listed | Rivendell Atlantis |
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