2017 Specialized Diverge Expert vs 2019 Trek Checkpoint ALR
The Trek Checkpoint ALR size closest to your 54 is the 54. Compare the 54 instead
What changes on the Trek Checkpoint ALR
Compared with the Specialized Diverge Expert in 54, the Trek Checkpoint ALR in 52 places the top of the head tube 16 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.
- Frame stack
- −16 mm
- Lower front end
- Frame reach
- −1 mm
- About the same reach
- Wheelbase
- +4 mm
- Longer: steadier at speed
- Head angle
- −0.4°
- Slacker: calmer steering
- Chainstays
- +10 mm
- Longer: more planted
The two frames
Only the Specialized Diverge Expert is drawn. The Trek Checkpoint ALR numbers we have for size 52 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Diverge Expert 54 | Trek Checkpoint ALR 52 | Difference |
|---|---|---|---|
| Reach | 380mm | 379 | −1 mm |
| Stack | 565mm | 549 | −16 mm |
| Head tube angle | 72° | 71.6° | −0.4° |
| Seat tube angle | 73.5° | not listed | |
| Effective top tube | 547mm | 536 | −11 mm |
| Chainstay length | 415mm | 425 | +10 mm |
| Wheelbase | 1001mm | 1005 | +4 mm |
| BB drop | 76mm | 78 | +2 mm |
| BB height | 271.5mm | not listed | |
| Standover | 764mm | 770 | +6 mm |
| Seat tube length | 466mm | 520 | +54 mm |
| Fork length | 390mm | not listed | |
| Head tube length | 140mm | 107 | −33 mm |
Differences are the Trek Checkpoint ALR minus the Specialized Diverge Expert. Full charts: 2017 Specialized Diverge Expert, 2019 Trek Checkpoint ALR.
Where each sits in its class
Specialized Diverge ExpertTrek Checkpoint ALR
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 | Specialized Diverge ExpertExpert | Trek Checkpoint ALRALR 4 |
|---|---|---|
| Shifter | Shimano ST-RS685 | Shimano RS405 |
| Derailleur | Shimano Ultegra | Shimano Tiagra |
| Cassette | Shimano Ultegra | Shimano Tiagra |
| Chain | Shimano Ultegra | KMC X10 |
| Crankset | FSA SL-K | Shimano Tiagra |
| Wheelset | DT Swiss R460 | not listed |
| Tire | Specialized Roubaix Pro 2BR | Bontrager GR1 Comp |
| Brake | Shimano BR-785 | Shimano RS505 |
| Seatpost | Specialized CG-R | Bontrager Approved |
| Saddle | Specialized Phenom Expert | Bontrager Montrose |
| Frame | not listed | Trek Alpha |
| Fork | not listed | Trek Checkpoint |
| Handlebar | not listed | Bontrager RL IsoZone VR-CF |
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