2026 Pivot Mach 4 SL Team Flight Attendant 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 Pivot Mach 4 SL Team Flight Attendant 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 | Pivot Mach 4 SL Team Flight Attendant XS | BMC Fourstroke LT ONE M | Difference |
|---|---|---|---|
| Reach | 410 | not listed | |
| Stack | 583 | not listed | |
| Head tube angle | 66 | not listed | |
| Seat tube angle | 75 | 74.8 | −0.2° |
| Effective top tube | 574 | not listed | |
| Chainstay length | 432 | not listed | |
| Wheelbase | 1131 | not listed | |
| BB drop | 38 | not listed | |
| BB height | 336 | not listed | |
| Standover | 641 | not listed | |
| Seat tube length | 355 | not listed | |
| Head tube length | 85 | not listed |
Differences are the BMC Fourstroke LT ONE minus the Pivot Mach 4 SL Team Flight Attendant. Full charts: 2026 Pivot Mach 4 SL Team Flight Attendant, 2026 BMC Fourstroke LT ONE.
Where each sits in its class
Pivot Mach 4 SL Team Flight AttendantBMC Fourstroke LT ONE
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 | Pivot Mach 4 SL Team Flight Attendant | 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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