2024 Trek Checkpoint ALR Gen 2 Frameset vs 2026 Specialized Crux Comp Shimano
The 54 is the Specialized Crux Comp Shimano size closest to your 52 Trek Checkpoint ALR Gen 2 Frameset. 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 Gen 2 Frameset in 52, the Specialized Crux Comp Shimano in 54 places the top of the head tube 7 mm higher and 11 mm further back, relative to the bottom bracket. Its wheelbase is 10 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +7 mm
- Higher front end
- Frame reach
- −11 mm
- Shorter frame reach
- Wheelbase
- −10 mm
- Shorter: quicker to change direction
- Head angle
- −0.1°
- About the same head angle
- Chainstays
- −10 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Checkpoint ALR Gen 2 Frameset numbers we have for size 52 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Checkpoint ALR Gen 2 Frameset 52 | Specialized Crux Comp Shimano 54 | Difference |
|---|---|---|---|
| Reach | 399 | 388 | −11 mm |
| Stack | 553 | 560 | +7 mm |
| Head tube angle | 71.6° | 71.5 | −0.1° |
| Effective top tube | 555 | 549 | −6 mm |
| Chainstay length | 435 | 425 | −10 mm |
| Wheelbase | 1033 | 1023 | −10 mm |
| BB drop | 78 | 72 | −6 mm |
| Standover | 765 | not listed | |
| Seat tube length | 520 | not listed | |
| Head tube length | 105 | 130 | +25 mm |
| Seat tube angle | not listed | 74 |
Differences are the Specialized Crux Comp Shimano minus the Trek Checkpoint ALR Gen 2 Frameset. Full charts: 2024 Trek Checkpoint ALR Gen 2 Frameset, 2026 Specialized Crux Comp Shimano.
Where each sits in its class
Trek Checkpoint ALR Gen 2 FramesetSpecialized 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 ALR Gen 2 FramesetALR Gen 2 Frameset | Specialized Crux Comp ShimanoComp Shimano GRX |
|---|---|---|
| Frame | Trek Alpha | Specialized Crux FACT 10r Carbon |
| Fork | Trek Checkpoint | Specialized FACT carbon |
| Shifter | not listed | Shimano GRX RX820 820 |
| Derailleur | not listed | Shimano GRX RX822-GS |
| Cassette | not listed | Shimano XT |
| Chain | not listed | Shimano XT M8100 |
| Crankset | not listed | Shimano GRX RX820 |
| Chainring | not listed | Shimano GRX RX820 |
| Bottom bracket | not listed | Shimano BB |
| Wheelset | not listed | DT Swiss G540 |
| Tire | not listed | Specialized Pathfinder Pro 2BR |
| Brake | not listed | Shimano GRX RX820 |
| Rotor | not listed | Shimano 180mm CenterLock |
| Handlebar | not listed | Specialized Adventure Gear |
| Stem | not listed | Specialized 3D-forged alloy |
| Seatpost | not listed | Roval Terra Carbon |
| Saddle | not listed | Specialized Body Geometry Power Sport |
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