2027 Trek Procaliber AL vs 2026 BMC Fourstroke LT ONE
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the BMC Fourstroke LT ONE
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- n/a
- One of the bikes has no number for this
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
Only the Trek Procaliber AL is drawn. The BMC Fourstroke LT ONE numbers we have for size M are missing the reach, stack, head angle, chainstay length and wheelbase.
Geometry side by side
| Measurement | Trek Procaliber AL XL | BMC Fourstroke LT ONE M | Difference |
|---|---|---|---|
| Reach | 500 | not listed | |
| Stack | 642 | not listed | |
| Head tube angle | 67.0° | not listed | |
| Seat tube angle | 74.3° | 74.8 | +0.5° |
| Effective top tube | 677 | not listed | |
| Chainstay length | 440 | not listed | |
| Wheelbase | 1227 | not listed | |
| BB drop | 64 | not listed | |
| BB height | 309 | not listed | |
| Standover | 791 | not listed | |
| Seat tube length | 510 | not listed | |
| Head tube length | 120 | not listed |
Differences are the BMC Fourstroke LT ONE minus the Trek Procaliber AL. Full charts: 2027 Trek Procaliber AL, 2026 BMC Fourstroke LT ONE.
Where each sits in its class
Trek Procaliber ALBMC Fourstroke LT ONE
AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted
Each bike is ranked against the other XC 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 Procaliber AL | BMC Fourstroke LT ONEONE |
|---|---|---|
| Frame | not listed | BMC Fourstroke LT |
| Fork | not listed | RockShox SID Select+ 3P |
| Rear shock | not listed | RockShox SID LUXE Select+ |
| Shifter | not listed | SRAM GX Eagle AXS Rocker |
| Derailleur | not listed | SRAM GX Eagle Transmission |
| Cassette | not listed | SRAM Eagle |
| Chain | not listed | SRAM XX Eagle |
| Crankset | not listed | SRAM Stylo |
| Chainring | not listed | SRAM Eagle AXS |
| Bottom bracket | not listed | Praxis PF92 |
| Wheelset | not listed | DT Swiss M1900 |
| Tire | not listed | Maxxis Rekon |
| Brake | not listed | SRAM G2 RS |
| Rotor | not listed | SRAM CenterLine |
| Handlebar | not listed | BMC MRB 03 Riser |
| Stem | not listed | TruVativ Atmos 7K |
| Seatpost | not listed | BikeYoke Divine |
| Saddle | not listed | fizik Antares R7 |
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