2025 Rivendell Atlantis vs 2027 Trek Checkpoint SL Gen 3
The Trek Checkpoint SL Gen 3 size closest to your 55 is the L. Compare the L instead
What changes on the Trek Checkpoint SL Gen 3
Compared with the Rivendell Atlantis in 55, the Trek Checkpoint SL Gen 3 in S places the top of the head tube 61 mm lower and 21 mm further back, relative to the bottom bracket.
- Frame stack
- −61 mm
- Lower front end
- Frame reach
- −21 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- +1.4°
- Steeper: sharper steering
- 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 55 are missing the chainstay length and wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Rivendell Atlantis 55 | Trek Checkpoint SL Gen 3 S | Difference |
|---|---|---|---|
| Reach | 407 | 386 | −21 mm |
| Stack | 617 | 556 | −61 mm |
| Head tube angle | 70 | 71.4° | +1.4° |
| Seat tube angle | 72 | 73.0° | +1.0° |
| Effective top tube | not listed | 547 | |
| BB drop | 80 | 76 | −4 mm |
| Standover | not listed | 772 | |
| Seat tube length | 550 | 480 | −70 mm |
| Chainstay length | not listed | 430 | |
| Wheelbase | not listed | 1022 | |
| Head tube length | not listed | 106 |
Differences are the Trek Checkpoint SL Gen 3 minus the Rivendell Atlantis. Full charts: 2025 Rivendell Atlantis, 2027 Trek Checkpoint SL Gen 3.
Where each sits in its class
Rivendell AtlantisTrek Checkpoint SL Gen 3
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 Checkpoint SL Gen 3SL 5 AXS Gen 3 |
|---|---|---|
| Frame | Rivendell Atlantis | not listed |
| Fork | threaded | Trek Checkpoint |
| Shifter | not listed | SRAM Apex AXS |
| Derailleur | not listed | SRAM Apex XPLR eTap AXS |
| Cassette | not listed | SRAM XPLR PG-1231 |
| Chain | not listed | SRAM Apex |
| Crankset | not listed | SRAM Apex 1 |
| Bottom bracket | not listed | SRAM DUB |
| Battery | not listed | SRAM AXS |
| Wheelset | not listed | Bontrager Paradigm SL TLR |
| Tire | not listed | Bontrager Girona RSL |
| Rotor | not listed | SRAM Paceline |
| Handlebar | not listed | Bontrager Elite Gravel |
| Headset | not listed | Bontrager Expander Plug |
| Saddle | not listed | Trek Verse |
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