2026
Fourstroke 01 TWO
The 2026 BMC Fourstroke 01 TWO is an XC bike offered in 4 sizes, S to XL. Reach runs from 437 to 500 mm and stack from 584 to 615 mm. It ships with SRAM GX Eagle Transmission and DT Swiss XR 1700.
Every number on this page was confirmed by at least two independent sources. Where a figure is not verified, the cell says so instead of guessing. Verified against us.bmc-switzerland.com and at least one independent source. Last checked .
Key facts
- Brand
- BMC
- Model
- Fourstroke 01
- Model year
- 2026
- Frame
- TWO
- Type
- XC
- Sizes
- S, M, L, and XL
- Verified measurements
- 27 of 28
- Verified against
- us.bmc-switzerland.com and at least one independent source
- Last checked
Geometry by size
Millimeters unless the row says degrees. Scroll sideways for the larger sizes.
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Reach(mm) | 437mm | 457mm | 477mm | 500mm |
| Stack(mm) | 584mm | 592mm | 600mm | 615mm |
| Effective top tube(mm) | 574mm | 597mm | 621mm | 649mm |
| Wheelbase(mm) | 1139mm | 1171mm | 1188mm | 1218mm |
| BB drop(mm) | 53mm | 53mm | 53mm | 53mm |
| Standover(mm) | 725mm | 725mm | not yet verified | 765mm |
| Seat tube length(mm) | 420mm | 440mm | 470mm | 490mm |
27 of 28 measurements verified.✓Verified, two or more sources agree Not yet verified
Stock build
16 partsManufacturer specs are labeled; checkmarks mean two or more sources agree.
Frame
BMC Fourstroke 01
Suspension
RockShox SID
RockShox SID LUXE
Drivetrain
SRAM Controller AXS
SRAM GX Eagle Transmission
SRAM GX Eagle
SRAM GX Eagle Transmission
SRAM GX Eagle
Wheels & Tires
DT Swiss XR 1700
Vittoria Mezcal
Brakes
SRAM Level
SRAM HS2
Cockpit
BMC MFB01
BMC MSM01
Seatpost & Saddle
BMC Autodrop
fizik Antares R7
Quick answers
- What sizes does the 2026 BMC Fourstroke 01 TWO come in?
- It comes in 4 sizes: 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 does the 2026 BMC Fourstroke 01 TWO ship with?
- The stock build includes BMC Fourstroke 01, RockShox SID, 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.
Ride a Fourstroke 01? Keep it in Quiver.
Add this bike and it arrives with its geometry and stock parts already filled in. Swap parts as you change them and the build sheet stays true.
Add this bike to my garage Free. Opens Quiver if you have it, or the App Store if you don't.