2019 Trek Checkpoint ALR Frameset vs 2021 Specialized Diverge Base E5
The 52 is the Specialized Diverge Base E5 size closest to your 54 Trek Checkpoint ALR 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 Diverge Base E5
Compared with the Trek Checkpoint ALR Frameset in 54, the Specialized Diverge Base E5 in 52 places the top of the head tube 6 mm lower and 9 mm further back, relative to the bottom bracket. Its wheelbase is 13 mm longer, which can contribute to stability at speed.
- Frame stack
- −6 mm
- Lower front end
- Frame reach
- −9 mm
- Shorter frame reach
- Wheelbase
- +13 mm
- Longer: steadier at speed
- Head angle
- −1.3°
- Slacker: calmer steering
- Chainstays
- +7 mm
- Longer: more planted
The two frames
We can't draw these frames yet. The Trek Checkpoint ALR Frameset numbers we have for size 54 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Checkpoint ALR Frameset 54 | Specialized Diverge Base E5 52 | Difference |
|---|---|---|---|
| Reach | 383 | 374mm | −9 mm |
| Stack | 567 | 561mm | −6 mm |
| Head tube angle | 71.8° | 70.5° | −1.3° |
| Effective top tube | 551 | not listed | |
| Chainstay length | 425 | 432mm | +7 mm |
| Wheelbase | 1014 | 1027mm | +13 mm |
| BB drop | 76 | 80mm | +4 mm |
| Standover | 789 | 723mm | −66 mm |
| Seat tube length | 540 | 430mm | −110 mm |
| Head tube length | 126 | 140mm | +14 mm |
| Seat tube angle | not listed | 73.75° | |
| BB height | not listed | 270mm | |
| Fork length | not listed | 390mm |
Differences are the Specialized Diverge Base E5 minus the Trek Checkpoint ALR Frameset. Full charts: 2019 Trek Checkpoint ALR Frameset, 2021 Specialized Diverge Base E5.
Where each sits in its class
Trek Checkpoint ALR FramesetSpecialized 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 ALR FramesetALR Frameset | Specialized Diverge Base E5Base E5 |
|---|---|---|
| Frame | Trek Alpha | Specialized Diverge E5 |
| Fork | Trek Checkpoint | not listed |
| Shifter | not listed | Shimano Claris R2000 |
| Derailleur | not listed | Shimano Claris |
| Chain | not listed | KMC X8 |
| Crankset | not listed | Shimano Claris R200 |
| Wheelset | not listed | Specialized AXIS Elite |
| Tire | not listed | Specialized Roadsport, Specialized Pathfinder Sport |
| Brake | not listed | Tektro Mira |
| Stem | not listed | Specialized Future |
| Saddle | not listed | Specialized Bridge Saddle |
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