Checkpoint ALR 3
Trek
Gravel
Checkpoint ALR 3 is an alloy gravel road bike (2025), by Trek, part of the Checkpoint family. Rider-wise, it fits a wide range of riders thanks to its fit flexibility, with a setup that gives you a balanced riding position, with a surface profile that is ready for gravel routes as well as pavement. Its strongest points in the MatchBikes metrics are strong value-for-money versus many similar bikes, good fit flexibility for dialing in rider position, and all-round climbing capability rather than a narrow specialty. Relative to category specialists, the trade-off is less emphasis on outright speed than speed-focused builds. This summary is a starting point—compare this bike on MatchBikes.com with similar bikes.
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 | 1.369 mm | 1.386 mm | 1.417 mm | 1.455 mm | 1.482 mm | 1.532 mm |
| Bottom Bracket Height | 271 mm | 271 mm | 273 mm | 273 mm | 275 mm | 275 mm |
| Front Center | 602 mm | 610 mm | 617 mm | 624 mm | 634 mm | 646 mm |
| Rake | 45 mm | 46 mm | 45 mm | 45 mm | 45 mm | 45 mm |
| Trail | 74 mm | 71 mm | 70 mm | 67 mm | 66 mm | 65 mm |
| Stack | 538 mm | 553 mm | 571 mm | 592 mm | 609 mm | 639 mm |
| Reach | 393 mm | 399 mm | 403 mm | 407 mm | 411 mm | 417 mm |
| Top Tube Length | 541 mm | 555 mm | 570 mm | 584 mm | 597 mm | 617 mm |
| Seat Tube Angle | 74.1 ° | 73.7 ° | 73.2 ° | 72.8 ° | 72.5 ° | 72.1 ° |
| Seat Tube Length | 490 mm | 520 mm | 540 mm | 560 mm | 580 mm | 610 mm |
| Head Tube Angle | 71.2 ° | 71.6 ° | 71.8 ° | 72.2 ° | 72.3 ° | 72.6 ° |
| Head Tube Length | 90 mm | 105 mm | 125 mm | 145 mm | 165 mm | 195 mm |
| Chainstay Length | 435 mm | 435 mm | 435 mm | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1025 mm | 1033 mm | 1041 mm | 1048 mm | 1058 mm | 1070 mm |
| Bottom Bracket Drop | 78 mm | 78 mm | 76 mm | 76 mm | 74 mm | 74 mm |
| Standover Height | 735 mm | 765 mm | 789 mm | 809 mm | 829 mm | 859 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 156 cm | 162 cm | 167 cm | 173 cm | 179 cm | 184 cm |
| Rider Max Height | 164 cm | 169 cm | 175 cm | 181 cm | 186 cm | 191 cm |




























































