2026
2026 BMC Fourstroke 01 TWO
The 2026 BMC Fourstroke 01 TWO sits at the aggressive end of the range for a XC bike, with a slacker head angle and a shorter rear center. Reach 437 to 500 mm, stack 584 to 615 mm. The Fourstroke 01 TWO build comes with SRAM GX Eagle Transmission shifting and DT Swiss XR 1700 wheels.
Sources: bmc-switzerland.com, us.bmc-switzerland.com. Checked .
Key facts
- Brand
- BMC
- Model
- Fourstroke 01
- Model year
- 2026
- Frame
- TWO
- Type
- XC
- Geometry labels
- S, M, L, and XL
- Drivetrain
- SRAM GX Eagle Transmission
- Rear shock
- RockShox SID LUXE Select+
- Wheels
- DT Swiss XR 1700
- Geometry
- Some measurements unavailable
- Source
- us.bmc-switzerland.com
- Checked
Things to know
Compared with other XC bikes on frame geometry alone.
- Less stack relative to reach than 9 in 10 XC bikes: stack-to-reach ratio is 1.28, compared with 1.41 for this group.
Geometry by size
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Reach(mm) | 437 | 457 | 477 | 500 |
| Stack(mm) | 584 | 592 | 600 | 615 |
| Head tube angle(°) | 66.75 (from the manufacturer) | 66.75 (from the manufacturer) | 66.75 (from the manufacturer) | 66.75 (from the manufacturer) |
| Seat tube angle(°) | 75.6 (from the manufacturer) | 75.6 (from the manufacturer) | 75.6 (from the manufacturer) | 75.6 (from the manufacturer) |
| Effective top tube(mm) | 574 | 597 | 621 | 649 |
| Chainstay length(mm) | 432 (from the manufacturer) | 432 (from the manufacturer) | 432 (from the manufacturer) | 432 (from the manufacturer) |
| Wheelbase(mm) | 1139 | 1171 | 1188 | 1218 |
| BB drop(mm) | 53 | 53 | 53 | 53 |
| Standover(mm) | 725 | 725 | Not available | 765 |
| Seat tube length(mm) | 420 | 440 | 470 | 490 |
✓Sources agreeMManufacturer Not available
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Stock build
16 parts
Frame
Suspension
RockShox SID Select+ 3P
RockShox SID LUXE Select+
Drivetrain
SRAM Controller AXS
SRAM GX Eagle AXS
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Fourstroke 01 TWO in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
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✓Sources agreeMManufacturer
Quick answers
- Which size or configuration labels have geometry for the 2026 BMC Fourstroke 01 TWO?
- Geometry is listed for S, M, L, and XL.
- What are the reach and stack of the 2026 BMC Fourstroke 01 TWO in size L?
- In size L, reach is 477 mm and stack is 600 mm.
- What is the head tube angle of the 2026 BMC Fourstroke 01 TWO?
- The head tube angle is 66.75 degrees in every size.
- What does the 2026 BMC Fourstroke 01 TWO ship with?
- The stock build includes BMC Fourstroke 01, RockShox SID Select+ 3P, SRAM Controller AXS, and DT Swiss XR 1700.
- Which years of the BMC Fourstroke 01 are on Quiver?
- Quiver has the BMC Fourstroke 01 for 2026.
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