2019 Trek Checkpoint ALR vs 2021 Specialized Diverge Base E5
The 61 is the Specialized Diverge Base E5 size closest to your 61 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 Diverge Base E5
Compared with the Trek Checkpoint ALR in 61, the Specialized Diverge Base E5 in 61 places the top of the head tube 3 mm lower and 13 mm further forward, relative to the bottom bracket. Its wheelbase is 32 mm longer, which can contribute to stability at speed.
- Frame stack
- −3 mm
- Lower front end
- Frame reach
- +13 mm
- Longer frame reach
- Wheelbase
- +32 mm
- Longer: steadier at speed
- Head angle
- −0.8°
- Slacker: calmer steering
- Chainstays
- +7 mm
- Longer: more planted
The two frames
We can't draw these frames yet. The Trek Checkpoint ALR numbers we have for size 61 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Checkpoint ALR 61 | Specialized Diverge Base E5 61 | Difference |
|---|---|---|---|
| Reach | 397 | 410mm | +13 mm |
| Stack | 638 | 635mm | −3 mm |
| Head tube angle | 72.6° | 71.75° | −0.8° |
| Effective top tube | 592 | not listed | |
| Chainstay length | 425 | 432mm | +7 mm |
| Wheelbase | 1044 | 1076mm | +32 mm |
| BB drop | 74 | 80mm | +6 mm |
| Standover | 858 | 834mm | −24 mm |
| Seat tube length | 610 | 560mm | −50 mm |
| Head tube length | 200 | 213mm | +13 mm |
| Seat tube angle | not listed | 73.5° | |
| BB height | not listed | 270mm | |
| Fork length | not listed | 390mm |
Differences are the Specialized Diverge Base E5 minus the Trek Checkpoint ALR. Full charts: 2019 Trek Checkpoint ALR, 2021 Specialized Diverge Base E5.
Where each sits in its class
Trek Checkpoint ALRSpecialized Diverge Base E5
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 Diverge Base E5Base E5 |
|---|---|---|
| Frame | Trek Alpha | Specialized Diverge E5 |
| Fork | Trek Checkpoint | not listed |
| Shifter | Shimano RS405 | Shimano Claris R2000 |
| Derailleur | Shimano Tiagra | Shimano Claris |
| Cassette | Shimano Tiagra | not listed |
| Chain | KMC X10 | KMC X8 |
| Crankset | Shimano Tiagra | Shimano Claris R200 |
| Tire | Bontrager GR1 Comp | Specialized Roadsport, Specialized Pathfinder Sport |
| Brake | Shimano RS505 | Tektro Mira |
| Handlebar | Bontrager RL IsoZone VR-CF | not listed |
| Seatpost | Bontrager Approved | not listed |
| Saddle | Bontrager Montrose | Specialized Bridge Saddle |
| Wheelset | not listed | Specialized AXIS Elite |
| Stem | not listed | Specialized Future |
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