2026
Fourstroke R 01 ONE
The 2026 BMC Fourstroke R 01 ONE 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 XX Eagle Transmission and DT Swiss XRC 1200.
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 R 01
- Model year
- 2026
- Frame
- ONE
- Type
- XC
- Sizes
- S, M, L, and XL
- Verified measurements
- 40 of 40
- 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 |
| Head tube angle(°) | 66.5° | 66.5° | 66.5° | 66.5° |
| Seat tube angle(°) | 75.6° | 75.6° | 75.6° | 75.6° |
| Effective top tube(mm) | 576mm | 599mm | 623mm | 651mm |
| Chainstay length(mm) | 431mm | 431mm | 431mm | 431mm |
| Wheelbase(mm) | 1140mm | 1172mm | 1189mm | 1219mm |
| BB drop(mm) | 38mm | 38mm | 38mm | 38mm |
| Seat tube length(mm) | 420mm | 440mm | 470mm | 490mm |
| Head tube length(mm) | 84mm | 93mm | 101mm | 118mm |
40 of 40 measurements verified.✓Verified, two or more sources agree
2026 BMC Fourstroke R 01 ONE drawn to scale
Stock build
17 partsManufacturer specs are labeled; checkmarks mean two or more sources agree.
Frame
BMC Fourstroke R 01
Suspension
Öhlins RXC34
Öhlins TXC2
Drivetrain
SRAM Pod Controller
SRAM XX Eagle Transmission
SRAM Eagle
SRAM XX SL Eagle Transmission
SRAM Eagle 70 Transmission
34
Praxis PF92
Wheels & Tires
DT Swiss XRC 1200
Vittoria Mezcal
Brakes
SRAM Motive
SRAM HS2
Cockpit
BMC ICS
Seatpost & Saddle
BMC Autodrop
Prologo Dimension NDR
Quick answers
- What sizes does the 2026 BMC Fourstroke R 01 ONE come in?
- It comes in 4 sizes: S, M, L, and XL.
- What are the reach and stack of the 2026 BMC Fourstroke R 01 ONE 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 R 01 ONE?
- The head tube angle is 66.5 degrees in every size.
- What does the 2026 BMC Fourstroke R 01 ONE ship with?
- The stock build includes BMC Fourstroke R 01, Öhlins RXC34, SRAM Pod Controller, and DT Swiss XRC 1200.
- Which years of the BMC Fourstroke R 01 are on Quiver?
- Quiver has the BMC Fourstroke R 01 for 2026.
Ride a Fourstroke R 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.