2023 Trek Checkpoint ALR Driftless vs 2025 Specialized Crux Expert SRAM eTap
The 56 is the Specialized Crux Expert SRAM eTap size closest to your 54 Trek Checkpoint ALR Driftless. 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 Specialized Crux Expert SRAM eTap
Compared with the Trek Checkpoint ALR Driftless in 54, the Specialized Crux Expert SRAM eTap in 56 places the top of the head tube 7 mm higher and 6 mm further back, relative to the bottom bracket. Its wheelbase is 8 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +7 mm
- Higher front end
- Frame reach
- −6 mm
- Shorter frame reach
- Wheelbase
- −8 mm
- Shorter: quicker to change direction
- Head angle
- +0.2°
- About the same head angle
- Chainstays
- −10 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Checkpoint ALR Driftless numbers we have for size 54 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Checkpoint ALR Driftless 54 | Specialized Crux Expert SRAM eTap 56 | Difference |
|---|---|---|---|
| Reach | 403 | 397 | −6 mm |
| Stack | 571 | 578 | +7 mm |
| Head tube angle | 71.8° | 72 | +0.2° |
| Effective top tube | 570 | 568 | −2 mm |
| Chainstay length | 435 | 425 | −10 mm |
| Wheelbase | 1041 | 1033 | −8 mm |
| BB drop | 76 | 72 | −4 mm |
| Standover | 789 | not listed | |
| Seat tube length | 540 | not listed | |
| Head tube length | 125 | 147 | +22 mm |
| Seat tube angle | not listed | 73.5 |
Differences are the Specialized Crux Expert SRAM eTap minus the Trek Checkpoint ALR Driftless. Full charts: 2023 Trek Checkpoint ALR Driftless, 2025 Specialized Crux Expert SRAM eTap.
Where each sits in its class
Trek Checkpoint ALR DriftlessSpecialized Crux Expert SRAM eTap
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 ALR DriftlessALR 5 Driftless | Specialized Crux Expert SRAM eTapExpert SRAM Rival eTap AXS |
|---|---|---|
| Frame | Trek Alpha | Specialized Crux |
| Fork | Trek Checkpoint | Specialized S-Works FACT Carbon |
| Derailleur | Shimano GRX RX810 | SRAM XPLR AXS |
| Wheelset | Bontrager Paradigm | Roval Terra C |
| Tire | Bontrager GR2 Team Issue | Specialized Pathfinder |
| Brake | Shimano GRX | SRAM HRD Rival AXS |
| Shifter | not listed | SRAM eTap AXS |
| Cassette | not listed | SRAM XG-1251 Rival |
| Chain | not listed | SRAM Flattop Red |
| Crankset | not listed | SRAM Rival AXS |
| Chainring | not listed | SRAM 40 |
| Bottom bracket | not listed | SRAM DUB BSA |
| Rotor | not listed | SRAM Centerline CL |
| Handlebar | not listed | Specialized Adventure Gear |
| Stem | not listed | Specialized Pro SL |
| Seatpost | not listed | Roval Terra |
| Saddle | not listed | Bg Power Expert |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
