2024 Trek Checkpoint SLR vs 2025 Cannondale Synapse Carbon
The 51.0 is the Cannondale Synapse Carbon size closest to your 49 Trek Checkpoint SLR. 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 Cannondale Synapse Carbon
Compared with the Trek Checkpoint SLR in 49, the Cannondale Synapse Carbon in 51.0 places the top of the head tube 12 mm higher and 17 mm further back, relative to the bottom bracket. Its wheelbase is 12 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +12 mm
- Higher front end
- Frame reach
- −17 mm
- Shorter frame reach
- Wheelbase
- −12 mm
- Shorter: quicker to change direction
- Head angle
- +0.1°
- About the same head angle
- Chainstays
- −10 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Checkpoint SLR numbers we have for size 49 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Checkpoint SLR 49 | Cannondale Synapse Carbon 51.0 | Difference |
|---|---|---|---|
| Reach | 393 | 376 | −17 mm |
| Stack | 538 | 550 | +12 mm |
| Head tube angle | 71.2° | 71.3 | +0.1° |
| Effective top tube | 541 | 544 | +3 mm |
| Chainstay length | 435 | 425 | −10 mm |
| Wheelbase | 1025 | 1013 | −12 mm |
| BB drop | 78 | 75 | −3 mm |
| Standover | 735 | 752 | +17 mm |
| Seat tube length | 490 | 443 | −47 mm |
| Head tube length | 90 | 127 | +37 mm |
| Seat tube angle | not listed | 73 | |
| BB height | not listed | 278 | |
| Fork length | not listed | 393 |
Differences are the Cannondale Synapse Carbon minus the Trek Checkpoint SLR. Full charts: 2024 Trek Checkpoint SLR, 2025 Cannondale Synapse Carbon.
Where each sits in its class
Trek Checkpoint SLRCannondale Synapse Carbon
Each bike is ranked against the other road 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 SLRSLR 6 AXS | Cannondale Synapse CarbonSynapse Carbon 1 |
|---|---|---|
| Frame | Trek OCLV | Cannondale Synapse Hi-MOD |
| Fork | Trek Checkpoint | Synapse Hi-MOD |
| Derailleur | SRAM Rival eTAP AXS | Shimano Ultegra R8150 Di2 |
| Wheelset | Bontrager Aeolus Pro 3V | Reserve 42/49 |
| Tire | Bontrager GR1 Team Issue | Vittoria Corsa PRO Control |
| Brake | SRAM Rival | Shimano Ultegra R8170 |
| Shifter | not listed | Shimano Ultegra R8170 Di2 |
| Cassette | not listed | Shimano Ultegra R8100 |
| Chain | not listed | Shimano Ultegra |
| Crankset | not listed | Shimano Ultegra R8100 |
| Bottom bracket | not listed | Shimano BSA 68 |
| Rim | not listed | Reserve Turbulent |
| Rotor | not listed | Shimano RT-CL800 |
| Handlebar | not listed | Cannondale SystemBar |
| Stem | not listed | Cannondale SystemBar |
| Grips | not listed | fizik Tempo Bondcush Soft |
| Seatpost | not listed | Cannondale C1 |
| Saddle | not listed | fizik Vento Argo R5 |
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