Checkpoint SL 5 AXS Gen 3
Trek
Gravel
Checkpoint SL 5 AXS Gen 3 is a carbon gravel road bike (2025), by Trek, from the Checkpoint lineup. It is best suited to riders who prioritize comfort, confidence, and longer rides, with a setup that gives you a comfort-leaning riding position, and is ready for gravel routes as well as pavement. Metric-wise, it stands out for good fit flexibility for dialing in rider position, strong climbing friendliness for sustained uphill riding, and a balanced ride feel between comfort and directness. The trade-off to keep in mind is less emphasis on outright speed than speed-focused builds and a value score that depends more on priorities than pure price efficiency. Next step: compare this bike with other gravel models on MatchBikes.com.
Rating

Score Summary
Performance
Built for speed and efficiency
Fit
Dialed-in Fit & Comfort
Value
Specifications
General
Frame
Drivetrain
Wheels
Brakes
Cockpit
Seat
Geometry
| Measurement | 49cm | 52cm | 54cm | 56cm | 58cm | 61cm |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.408 mm | 1.44 mm | 1.481 mm | 1.514 mm | 1.542 mm | 1.569 mm |
| Bottom Bracket Height | 273 mm | 273 mm | 273 mm | 273 mm | 273 mm | 273 mm |
| Front Center | 595 mm | 604 mm | 615 mm | 623 mm | 633 mm | 643 mm |
| Rake | 49 mm | 49 mm | 50 mm | 49 mm | 49 mm | 49 mm |
| Trail | 71 mm | 68 mm | 68 mm | 64 mm | 64 mm | 62 mm |
| Stack | 535 mm | 556 mm | 579 mm | 601 mm | 620 mm | 640 mm |
| Reach | 380 mm | 386 mm | 391 mm | 397 mm | 402 mm | 408 mm |
| Top Tube Length | 536 mm | 547 mm | 566 mm | 578 mm | 589 mm | 601 mm |
| Seat Tube Angle | 72.7 ° | 73 ° | 72.8 ° | 72.8 ° | 72.8 ° | 72.8 ° |
| Seat Tube Length | 445 mm | 480 mm | 505 mm | 530 mm | 550 mm | 575 mm |
| Head Tube Angle | 71 ° | 71.4 ° | 71.6 ° | 72 ° | 72.1 ° | 72.4 ° |
| Head Tube Length | 86 mm | 106 mm | 130 mm | 151 mm | 171 mm | 191 mm |
| Chainstay Length | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm |
| Wheelbase | 1013 mm | 1022 mm | 1034 mm | 1042 mm | 1052 mm | 1062 mm |
| Bottom Bracket Drop | 76 mm | 76 mm | 76 mm | 76 mm | 76 mm | 76 mm |
| Standover Height | 746 mm | 772 mm | 799 mm | 813 mm | 837 mm | 861 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 155 cm | 161 cm | 166 cm | 172 cm | 178 cm | 183 cm |
| Rider Max Height | 163 cm | 169 cm | 175 cm | 181 cm | 186 cm | 191 cm |




























































