2026 3T Extrema Italia vs 2026 Trek Checkpoint
Bicycle geometry comparison powered by RideDNA
3T Extrema Italia
2026 · Gravel
| Size | Reach | Stack | Trail | HTA | Chainstay | BB Drop | Wheelbase | Max Tire |
|---|---|---|---|---|---|---|---|---|
| L | 386 | 590 | 59 | 71.5 | 430 | 76 | 1052 | 57 |
| M | 378 | 570 | 66 | 70.5 | 430 | 76 | 1047 | 57 |
| S | 366 | 552 | 76 | 69.1 | 430 | 79 | 1040 | 57 |
| XL | 394 | 610 | 56 | 72.0 | 431 | 74 | 1062 | 57 |
All measurements in millimeters (mm) and degrees (°).
vs
Trek Checkpoint
2026 · Gravel
| Size | Reach | Stack | Trail | HTA | Chainstay | BB Drop | Wheelbase | Max Tire |
|---|---|---|---|---|---|---|---|---|
| L | 403 | 620 | 64 | 72.1 | 423 | 76 | 1053 | 50 |
| M | 392 | 580 | 68 | 71.6 | 423 | 76 | 1035 | 50 |
| ML | 398 | 601 | 64 | 72.0 | 423 | 76 | 1043 | 50 |
| S | 388 | 556 | 68 | 71.4 | 423 | 76 | 1024 | 50 |
| XL | 409 | 641 | 62 | 72.4 | 423 | 76 | 1063 | 50 |
| XS | 382 | 536 | 71 | 71.0 | 423 | 76 | 1016 | 50 |
All measurements in millimeters (mm) and degrees (°).
Go deeper with RideDNA
RideDNA's AI-powered engine adds Handling Index scoring, parametric geometry adjustments, terrain analysis, and personalized bike fit — beyond what static comparisons can show.
Analyze Bikes in RideDNA →Related Gravel Bike Comparisons
Bikes geometrically similar
Explore RideDNA geometry
- Stack leaderboard
- Reach leaderboard
- Head-tube angle leaderboard
- Trail leaderboard
- Wheelbase leaderboard
- Every Gravel bike — geometry survey
- XC geometry survey
- Gravel geometry survey
- All-road geometry survey
- Road-race geometry survey
- Bikes that fit a 170 cm rider
- Bikes that fit a 175 cm rider
- Bikes that fit a 180 cm rider
- Bikes that fit a 185 cm rider