2025 Trek Boone vs 2026 3T Primo
The 3T Primo size closest to your 54 is the L. Compare the L instead
What changes on the 3T Primo
Compared with the Trek Boone in 54, the 3T Primo in M places the top of the head tube 16 mm lower and 5 mm further back, relative to the bottom bracket.
- Frame stack
- −16 mm
- Lower front end
- Frame reach
- −5 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −0.9°
- Slacker: calmer steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Trek Boone numbers we have for size 54 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Boone 54 | 3T Primo M | Difference |
|---|---|---|---|
| Reach | 383 | 378 | −5 mm |
| Stack | 562 | 546 | −16 mm |
| Head tube angle | 72.0° | 71.1 | −0.9° |
| Effective top tube | 544 | 550 | +6 mm |
| Chainstay length | 425 | not listed | |
| Wheelbase | 1010 | not listed | |
| BB drop | 68 | 70 | +2 mm |
| Standover | 779 | not listed | |
| Seat tube length | 513 | 490 | −23 mm |
| Head tube length | 138 | 125 | −13 mm |
| Seat tube angle | not listed | 72.5 |
Differences are the 3T Primo minus the Trek Boone. Full charts: 2025 Trek Boone, 2026 3T Primo.
Where each sits in its class
Trek Boone3T Primo
Each bike is ranked against the other gravel 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 Boone5 | 3T PrimoGRX 1X12 |
|---|---|---|
| Frame | Trek Boone | 3T Primo2 UDH |
| Fork | Trek Cross | 3T Fango Primo2 |
| Shifter | SRAM Apex | Shimano GRX RX610 |
| Derailleur | SRAM XPLR APEX | Shimano GRX RX822 SGS |
| Cassette | SRAM PG-1231 XPLR | Shimano Deore M6100 |
| Chain | SRAM Apex | not listed |
| Crankset | SRAM 1 Apex | Shimano GRX RX610 |
| Bottom bracket | SRAM DUB | not listed |
| Tire | Bontrager CX3 | Pirelli Cinturato Adventure |
| Brake | SRAM Apex | Shimano GRX RX400 |
| Rotor | SRAM Paceline | Shimano SM-RT64 |
| Handlebar | Bontrager Elite IsoZone VR-CF | 3T Superergo |
| Stem | Bontrager Pro | 3T Apto |
| Bar tape | Bontrager Supertack Perf | not listed |
| Seatpost | Bontrager Ride Tuned | 3T Primo |
| Saddle | Bontrager Verse Short | fizik Vento Argo X5 |
| Wheelset | not listed | Fulcrum Rapid Red 900 |
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