2023 Trek Checkpoint ALR vs 2025 Specialized Crux Expert SRAM eTap
The Specialized Crux Expert SRAM eTap size closest to your 54 is the 56. Compare the 56 instead
What changes on the Specialized Crux Expert SRAM eTap
Compared with the Trek Checkpoint ALR in 54, the Specialized Crux Expert SRAM eTap in 58 places the top of the head tube 27 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.
- Frame stack
- +27 mm
- Higher front end
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- +4 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- −10 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Checkpoint ALR numbers we have for size 54 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Checkpoint ALR 54 | Specialized Crux Expert SRAM eTap 58 | Difference |
|---|---|---|---|
| Reach | 403 | 405 | +2 mm |
| Stack | 571 | 598 | +27 mm |
| Head tube angle | 71.8° | 72.25 | +0.5° |
| Effective top tube | 570 | 582 | +12 mm |
| Chainstay length | 435 | 425 | −10 mm |
| Wheelbase | 1041 | 1045 | +4 mm |
| BB drop | 76 | 72 | −4 mm |
| Standover | 789 | not listed | |
| Seat tube length | 540 | not listed | |
| Head tube length | 125 | 167 | +42 mm |
| Seat tube angle | not listed | 73.5 |
Differences are the Specialized Crux Expert SRAM eTap minus the Trek Checkpoint ALR. Full charts: 2023 Trek Checkpoint ALR, 2025 Specialized Crux Expert SRAM eTap.
Where each sits in its class
Trek Checkpoint ALRSpecialized 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 ALRALR 5 | Specialized Crux Expert SRAM eTapExpert SRAM Rival eTap AXS |
|---|---|---|
| Frame | Trek Alpha | Specialized Crux |
| Fork | Trek Checkpoint | Specialized S-Works FACT Carbon |
| Shifter | Shimano GRX RX600 | SRAM eTap AXS |
| Derailleur | Shimano GRX RX810/600 | SRAM XPLR AXS |
| Cassette | Shimano HG700 | SRAM XG-1251 Rival |
| Crankset | Shimano GRX RX600 | SRAM Rival AXS |
| Wheelset | Bontrager Paradigm | Roval Terra C |
| Tire | Bontrager GR1 Team Issue | Specialized Pathfinder |
| Brake | Shimano GRX | SRAM HRD Rival AXS |
| Handlebar | Bontrager GR Elite Alloy | Specialized Adventure Gear |
| Stem | Bontrager Elite Alloy | Specialized Pro SL |
| Seatpost | Bontrager Alloy | Roval Terra |
| Saddle | fizik Argo | Bg Power Expert |
| Chain | not listed | SRAM Flattop Red |
| Chainring | not listed | SRAM 40 |
| Bottom bracket | not listed | SRAM DUB BSA |
| Rotor | not listed | SRAM Centerline CL |
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