2024 Trek Checkpoint ALR vs 2026 Specialized Crux Comp Shimano
The 58 is the Specialized Crux Comp Shimano size closest to your 56 Trek Checkpoint ALR. 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 Comp Shimano
Compared with the Trek Checkpoint ALR in 56, the Specialized Crux Comp Shimano in 58 places the top of the head tube 6 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 3 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +6 mm
- Higher front end
- Frame reach
- −2 mm
- About the same reach
- Wheelbase
- −3 mm
- Shorter: quicker to change direction
- Head angle
- +0.0°
- About the same head angle
- Chainstays
- −10 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Checkpoint ALR numbers we have for size 56 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Checkpoint ALR 56 | Specialized Crux Comp Shimano 58 | Difference |
|---|---|---|---|
| Reach | 407 | 405 | −2 mm |
| Stack | 592 | 598 | +6 mm |
| Head tube angle | 72.2° | 72.25 | +0.0° |
| Effective top tube | 584 | 582 | −2 mm |
| Chainstay length | 435 | 425 | −10 mm |
| Wheelbase | 1048 | 1045 | −3 mm |
| BB drop | 76 | 72 | −4 mm |
| Standover | 809 | not listed | |
| Seat tube length | 560 | not listed | |
| Head tube length | 145 | 167 | +22 mm |
| Seat tube angle | not listed | 73.5 |
Differences are the Specialized Crux Comp Shimano minus the Trek Checkpoint ALR. Full charts: 2024 Trek Checkpoint ALR, 2026 Specialized Crux Comp Shimano.
Where each sits in its class
Trek Checkpoint ALRSpecialized Crux Comp Shimano
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 4 | Specialized Crux Comp ShimanoComp Shimano GRX |
|---|---|---|
| Frame | Trek Checkpoint ALR | Specialized Crux FACT 10r Carbon |
| Shifter | SRAM Apex 1 | Shimano GRX RX820 820 |
| Derailleur | SRAM Apex 1 | Shimano GRX RX822-GS |
| Cassette | SRAM PG-1130 | Shimano XT |
| Crankset | Praxis Alba Alloy | Shimano GRX RX820 |
| Wheelset | Bontrager Paradigm Aluminum | DT Swiss G540 |
| Tire | Bontrager GR1 Team Issue | Specialized Pathfinder Pro 2BR |
| Brake | Tektro C550 | Shimano GRX RX820 |
| Handlebar | Bontrager GR Elite Alloy | Specialized Adventure Gear |
| Stem | Bontrager Alloy | Specialized 3D-forged alloy |
| Seatpost | Bontrager Alloy | Roval Terra Carbon |
| Fork | not listed | Specialized FACT carbon |
| Chain | not listed | Shimano XT M8100 |
| Chainring | not listed | Shimano GRX RX820 |
| Bottom bracket | not listed | Shimano BB |
| Rotor | not listed | Shimano 180mm CenterLock |
| Saddle | not listed | Specialized Body Geometry Power Sport |
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