2026
Fourstroke R 01 ONE
The 2026 BMC Fourstroke R 01 ONE has frame geometry near the more aggressive end of the range for XC bikes, with a slacker head angle and a shorter rear-center relative to wheelbase. This page lists 4 geometry entries, with reach from 437 to 500 mm and stack from 584 to 615 mm. The Fourstroke R 01 ONE build comes with SRAM XX Eagle Transmission shifting and DT Swiss XRC 1200 wheels.
Geometry comparisons use 222 other xc bikes with usable geometry in Quiver. They describe frame geometry, not your hand position or tested ride feel.
Keep a record of your Fourstroke R 01 in Quiver. Start with the catalog details available for this bike, then keep track of the parts you change.
Published geometry is confirmed by at least two independent sources. Source: us.bmc-switzerland.com. Last checked .
Key facts
- Brand
- BMC
- Model
- Fourstroke R 01
- Model year
- 2026
- Frame
- ONE
- Type
- XC
- Geometry labels
- S, M, L, and XL
- Drivetrain
- SRAM XX Eagle Transmission
- Fork
- Öhlins RXC34
- Rear shock
- Öhlins TXC2
- Wheels
- DT Swiss XRC 1200
- Geometry
- Complete for every size
- Verified against
- us.bmc-switzerland.com and at least one independent source
- Last checked
Things to know
Geometry-based comparisons with XC bikes, using measurements two or more sources agree on. They describe frame geometry, not a rider's hand position or tested ride feel.
- Less stack relative to reach than 9 in 10 XC bikes on Quiver: stack-to-reach ratio is 1.28, compared with 1.36 for this group. In this comparison, 192 other XC bikes have the same measurement on Quiver.
- Steeper seat angle than 9 in 10 XC bikes on Quiver: 75.6 degrees, where most sit near 74.3. In this comparison, 220 other XC bikes have the same measurement on Quiver.
Geometry by size
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Reach(mm) | 437 | 457 | 477 | 500 |
| Stack(mm) | 584 | 592 | 600 | 615 |
| 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) | 576 | 599 | 623 | 651 |
| Chainstay length(mm) | 431 | 431 | 431 | 431 |
| Wheelbase(mm) | 1140 | 1172 | 1189 | 1219 |
| BB drop(mm) | 38 | 38 | 38 | 38 |
| Seat tube length(mm) | 420 | 440 | 470 | 490 |
| Head tube length(mm) | 84 | 93 | 101 | 118 |
Own a Fourstroke R 01? Keep track of it in Quiver.
Start with the catalog details available for this bike, then keep track of the parts you change.
Free on the App StoreFree on Google Play Free to download. If you already have Quiver, the button opens it.Stock build
17 parts
Frame
Suspension
Drivetrain
Sources for specifications
Sources: dunbarcycles.comSources for specifications
Sources: OEM build page: trek Supercaliber 2026 — trekbikes.comWheels & Tires
Sources for specifications
Sources: dtswiss.comBrakes
Sources for specifications
Sources: OEM build page: pivot Mach 4 SL 2026 — bikerumor.comSources for specifications
Sources: OEM build page: canyon Lux 2024 — canyon.comCockpit
Seatpost & Saddle
✓Verified, two or more sources agreeMFrom the manufacturer
Quick answers
- Which size or configuration labels have geometry for the 2026 BMC Fourstroke R 01 ONE?
- This page lists geometry under 4 labels: 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.
Own a Fourstroke R 01? Keep track of it in Quiver.
Start with the catalog details available for this bike, then keep track of the parts you change.
Free on the App StoreFree on Google Play Free to download. If you already have Quiver, the button opens it.