2021 Trek Checkpoint ALR vs 2019 Specialized Crux
The 58 is the Specialized Crux size closest to your 58 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
Compared with the Trek Checkpoint ALR in 58, the Specialized Crux in 58 places the top of the head tube 12 mm lower and 4 mm further forward, relative to the bottom bracket.
- Frame stack
- −12 mm
- Lower front end
- Frame reach
- +4 mm
- Longer frame reach
- Wheelbase
- +2 mm
- About the same
- 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 numbers we have for size 58 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Checkpoint ALR 58 | Specialized Crux 58 | Difference |
|---|---|---|---|
| Reach | 391 | 395mm | +4 mm |
| Stack | 609 | 597mm | −12 mm |
| Head tube angle | 72.3° | 72.5° | +0.2° |
| Effective top tube | 577 | 578mm | +1 mm |
| Chainstay length | 425 | 425mm | ±0 mm |
| Wheelbase | 1032 | 1034mm | +2 mm |
| BB drop | 74 | 67mm | −7 mm |
| Standover | 829 | 840.5mm | +12 mm |
| Seat tube length | 580 | 570mm | −10 mm |
| Head tube length | 171 | 170mm | −1 mm |
| Seat tube angle | not listed | 73° | |
| BB height | not listed | 285.5mm | |
| Fork length | not listed | 400mm |
Differences are the Specialized Crux minus the Trek Checkpoint ALR. Full charts: 2021 Trek Checkpoint ALR, 2019 Specialized Crux.
Where each sits in its class
Trek Checkpoint ALRSpecialized Crux
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 CruxS-Works |
|---|---|---|
| Frame | Trek Alpha | not listed |
| Fork | Trek Checkpoint | not listed |
| Shifter | Shimano GRX RX400 | Shimano Dura-Ace R9170 Di2 shift |
| Derailleur | Shimano GRX RX400 | Shimano XTR M9050 Di2 |
| Cassette | Shimano Tiagra HG-500 | Shimano Ultegra |
| Chain | KMC X10 | Shimano Dura-Ace |
| Crankset | Shimano GRX RX600 | Specialized S-Works Power |
| Bottom bracket | Shimano RS500 | not listed |
| Wheelset | Bontrager TLR Disc Aluminum | Roval CLX 50 |
| Tire | Bontrager GR1 Comp | Specialized Tracer Pro |
| Brake | Shimano GRX | Shimano Dura-Ace |
| Handlebar | Bontrager Elite IsoZone VR-CF | not listed |
| Stem | Niner Alloy | not listed |
| Seatpost | Bontrager Approved | not listed |
| Saddle | Bontrager P3 Verse | Specialized S-Works Phenom |
| Chainring | not listed | Praxis Wave Tech |
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