2019 Trek Checkpoint AL vs 2021 Specialized Diverge Base E5
The 56 is the Specialized Diverge Base E5 size closest to your 58 Trek Checkpoint AL. 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 AL in 58, the Specialized Diverge Base E5 in 56 places the top of the head tube 8 mm lower and 10 mm further forward, relative to the bottom bracket. Its wheelbase is 18 mm longer, which can contribute to stability at speed.
- Frame stack
- −8 mm
- Lower front end
- Frame reach
- +10 mm
- Longer frame reach
- Wheelbase
- +18 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +2 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Checkpoint AL numbers we have for size 58 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Checkpoint AL 58 | Specialized Diverge Base E5 56 | Difference |
|---|---|---|---|
| Reach | 382 | 392mm | +10 mm |
| Stack | 607 | 599mm | −8 mm |
| Head tube angle | 72.3° | 71.75° | −0.5° |
| Effective top tube | 568 | not listed | |
| Chainstay length | 430 | 432mm | +2 mm |
| Wheelbase | 1028 | 1046mm | +18 mm |
| BB drop | 74 | 80mm | +6 mm |
| BB height | 281 | 270mm | −11 mm |
| Standover | 816 | 789mm | −27 mm |
| Seat tube length | 548 | 500mm | −48 mm |
| Head tube length | 170 | 175mm | +5 mm |
| Seat tube angle | not listed | 73.5° | |
| Fork length | not listed | 390mm |
Differences are the Specialized Diverge Base E5 minus the Trek Checkpoint AL. Full charts: 2019 Trek Checkpoint AL, 2021 Specialized Diverge Base E5.
Where each sits in its class
Trek Checkpoint ALSpecialized 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 ALAL 3 | Specialized Diverge Base E5Base E5 |
|---|---|---|
| Frame | Trek Alpha 200 | Specialized Diverge E5 |
| Fork | Trek Checkpoint | not listed |
| Shifter | Shimano Sora | Shimano Claris R2000 |
| Derailleur | Shimano Sora | Shimano Claris |
| Cassette | Shimano Sora | not listed |
| Chain | Shimano Sora | KMC X8 |
| Crankset | Shimano Sora | Shimano Claris R200 |
| Pedals | Trek Not | not listed |
| Tire | Bontrager R1 Hard-Case Lite | Specialized Roadsport, Specialized Pathfinder Sport |
| Rim | Bontrager Affinity | not listed |
| Brake | Tektro C550 Spyre | Tektro Mira |
| Handlebar | Bontrager Comp VR-C | not listed |
| Seatpost | Bontrager Approved | not listed |
| Saddle | Bontrager Arvada | Specialized Bridge Saddle |
| Wheelset | not listed | Specialized AXIS Elite |
| Stem | not listed | Specialized Future |
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