2026
2026 Trek Checkpoint ALR Gen 3
The 2026 Trek Checkpoint ALR Gen 3 sits more upright than most gravel bikes, with a steeper head angle. Reach 380 to 408 mm, stack 545 to 650 mm. The Checkpoint ALR 3 Gen 3 build comes with Bontrager Paradigm 23 wheels.
Source: trekbikes.com. Checked .
Key facts
- Brand
- Trek
- Model
- Checkpoint
- Model year
- 2026
- Frame
- ALR Gen 3
- Type
- Gravel
- Geometry labels
- XS, S, M, ML, L, and XL
- Drivetrain
- Shimano CUES U8000 GS
- Fork
- Trek Checkpoint
- Wheels
- Bontrager Paradigm 23
- Geometry
- Complete for every size
- Source
- trekbikes.com
- Checked
Geometry by size
| Measurement | XS | S | M | ML | L | XL |
|---|---|---|---|---|---|---|
| Reach(mm) | 380 (from the manufacturer) | 385 (from the manufacturer) | 391 (from the manufacturer) | 397 (from the manufacturer) | 402 (from the manufacturer) | 408 (from the manufacturer) |
| Stack(mm) | 545 (from the manufacturer) | 566 (from the manufacturer) | 589 (from the manufacturer) | 611 (from the manufacturer) | 630 (from the manufacturer) | 650 (from the manufacturer) |
| Head tube angle(°) | 71.2 (from the manufacturer) | 71.6 (from the manufacturer) | 71.8 (from the manufacturer) | 72.2 (from the manufacturer) | 72.3 (from the manufacturer) | 72.6 (from the manufacturer) |
| Effective top tube(mm) | 536 (from the manufacturer) | 548 (from the manufacturer) | 568 (from the manufacturer) | 580 (from the manufacturer) | 592 (from the manufacturer) | 604 (from the manufacturer) |
| Chainstay length(mm) | 435 (from the manufacturer) | 435 (from the manufacturer) | 435 (from the manufacturer) | 435 (from the manufacturer) | 435 (from the manufacturer) | 435 (from the manufacturer) |
| Wheelbase(mm) | 1025 (from the manufacturer) | 1033 (from the manufacturer) | 1041 (from the manufacturer) | 1048 (from the manufacturer) | 1058 (from the manufacturer) | 1070 (from the manufacturer) |
| BB drop(mm) | 78 (from the manufacturer) | 78 (from the manufacturer) | 75 (from the manufacturer) | 76 (from the manufacturer) | 74 (from the manufacturer) | 74 (from the manufacturer) |
| Standover(mm) | 735 (from the manufacturer) | 765 (from the manufacturer) | 789 (from the manufacturer) | 809 (from the manufacturer) | 829 (from the manufacturer) | 859 (from the manufacturer) |
| Seat tube length(mm) | 445 (from the manufacturer) | 480 (from the manufacturer) | 505 (from the manufacturer) | 530 (from the manufacturer) | 550 (from the manufacturer) | 575 (from the manufacturer) |
| Head tube length(mm) | 96 (from the manufacturer) | 117 (from the manufacturer) | 140 (from the manufacturer) | 162 (from the manufacturer) | 181 | 201 (from the manufacturer) |
✓Sources agreeMManufacturer
Stock build
Checkpoint ALR 3 Gen 3
Suspension
Trek Checkpoint
Wheels & Tires
Bontrager Paradigm 23
Cockpit
Keep your Checkpoint ALR 3 Gen 3 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
Checkpoint ALR 4 Gen 3
Frame
Trek 300 Series Alpha
Suspension
Trek Checkpoint
Drivetrain
Shimano CUES U6030
Shimano CUES U8000 GS
Shimano LG700 CUES
Shimano LG500
Shimano CUES U60301
40t
Wheels & Tires
Bontrager Paradigm 23
Bontrager Girona Pro
Bontrager Paradigm
Bontrager Paradigm 23
Brakes
Shimano CUES
Shimano SM-RT54
Cockpit
Seatpost & Saddle
Bontrager Short Comp
Keep your Checkpoint ALR 4 Gen 3 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
MManufacturer
Quick answers
- Which size or configuration labels have geometry for the 2026 Trek Checkpoint ALR Gen 3?
- Geometry is listed for XS, S, M, ML, L, and XL.
- What are the reach and stack of the 2026 Trek Checkpoint ALR Gen 3 in size ML?
- In size ML, reach is 397 mm and stack is 611 mm.
- What is the head tube angle of the 2026 Trek Checkpoint ALR Gen 3?
- The head tube angle is 72.2 degrees in size ML.
- What does the 2026 Trek Checkpoint ALR 3 Gen 3 ship with?
- The stock build includes Trek Checkpoint, Bontrager Paradigm 23, and Bontrager Elite Gravel.
- Which years of the Trek Checkpoint are on Quiver?
- Quiver has the Trek Checkpoint for 2026, 2027, 2025, 2024, 2023, 2022, 2021, 2020, and 2019.
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