2019 Trek Checkpoint ALR Women's vs 2021 Specialized Crux Pro
The 56.0 is the Specialized Crux Pro size closest to your 56 Trek Checkpoint ALR Women's. 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 Pro
Compared with the Trek Checkpoint ALR Women's in 56, the Specialized Crux Pro in 56.0 places the top of the head tube 4 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 6 mm longer, which can contribute to stability at speed.
- Frame stack
- −4 mm
- Lower front end
- Frame reach
- +1 mm
- About the same reach
- Wheelbase
- +6 mm
- Longer: steadier at speed
- Head angle
- −0.2°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Checkpoint ALR Women's numbers we have for size 56 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Checkpoint ALR Women's 56 | Specialized Crux Pro 56.0 | Difference |
|---|---|---|---|
| Reach | 387 | 388mm | +1 mm |
| Stack | 586 | 582mm | −4 mm |
| Head tube angle | 72.2° | 72° | −0.2° |
| Effective top tube | 566 | not listed | |
| Chainstay length | 425 | 425mm | ±0 mm |
| Wheelbase | 1020 | 1026mm | +6 mm |
| BB drop | 76 | 69mm | −7 mm |
| Standover | 808 | 824.5mm | +17 mm |
| Seat tube length | 560 | 550mm | −10 mm |
| Head tube length | 145 | 155mm | +10 mm |
| Seat tube angle | not listed | 73.25° | |
| BB height | not listed | 283.5mm | |
| Fork length | not listed | 400mm |
Differences are the Specialized Crux Pro minus the Trek Checkpoint ALR Women's. Full charts: 2019 Trek Checkpoint ALR Women's, 2021 Specialized Crux Pro.
Where each sits in its class
Trek Checkpoint ALR Women'sSpecialized Crux Pro
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 Women'sALR 4 Women's | Specialized Crux ProPro |
|---|---|---|
| Frame | Trek Alpha | not listed |
| Fork | Trek Checkpoint | not listed |
| Shifter | Shimano RS405 | SRAM Force eTap AXS |
| Derailleur | Shimano Tiagra | SRAM Force eTAP AXS |
| Cassette | Shimano Tiagra | SRAM Force |
| Chain | KMC X10 | SRAM Force |
| Crankset | Shimano Tiagra | SRAM Force |
| Tire | Bontrager GR1 Comp | Specialized Tracer Pro |
| Brake | Shimano RS505 | SRAM Rival 1 |
| Handlebar | Bontrager RL IsoZone VR-CF | not listed |
| Seatpost | Bontrager Approved | Roval Terra |
| Saddle | Bontrager Ajna | Specialized Power |
| Bottom bracket | not listed | SRAM DUB |
| Wheelset | not listed | Roval Terra CL |
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