2026 BMC Fourstroke R 01 ONE vs 2026 Specialized Epic 8
The XL is the Specialized Epic 8 size closest to your XL BMC Fourstroke R 01 ONE. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Epic 8
Compared with the BMC Fourstroke R 01 ONE in XL, the Specialized Epic 8 in XL places the top of the head tube 13 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 24 mm longer, which can contribute to stability at speed.
- Frame stack
- +13 mm
- Higher front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- +24 mm
- Longer: steadier at speed
- Head angle
- −0.1°
- About the same head angle
- Chainstays
- +4 mm
- Longer: more planted
The two frames
BMC Fourstroke R 01 ONE, XLSpecialized Epic 8, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | BMC Fourstroke R 01 ONE XL | Specialized Epic 8 XL | Difference |
|---|---|---|---|
| Reach | 500 | 500mm | ±0 mm |
| Stack | 615 | 628mm | +13 mm |
| Head tube angle | 66.5 | 66.4° | −0.1° |
| Seat tube angle | 75.6 | 75.5° | −0.1° |
| Effective top tube | 651 | not listed | |
| Chainstay length | 431 | 435mm | +4 mm |
| Wheelbase | 1219 | 1243mm | +24 mm |
| BB drop | 38 | 42mm | +4 mm |
| Seat tube length | 490 | 500mm | +10 mm |
| Head tube length | 118 | 130mm | +12 mm |
| BB height | not listed | 328mm | |
| Standover | not listed | 774mm | |
| Fork length | not listed | 530mm |
Differences are the Specialized Epic 8 minus the BMC Fourstroke R 01 ONE. Full charts: 2026 BMC Fourstroke R 01 ONE, 2026 Specialized Epic 8.
Where each sits in its class
BMC Fourstroke R 01 ONESpecialized Epic 8
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 | BMC Fourstroke R 01 ONEONE | Specialized Epic 8 |
|---|---|---|
| Frame | BMC Fourstroke R 01 | not listed |
| Fork | Öhlins RXC34 | not listed |
| Rear shock | Öhlins TXC2 | not listed |
| Shifter | SRAM Pod Controller | not listed |
| Derailleur | SRAM XX Eagle Transmission | not listed |
| Cassette | SRAM Eagle | not listed |
| Chain | SRAM XX SL Eagle Transmission | not listed |
| Crankset | SRAM Eagle 70 Transmission | not listed |
| Chainring | 34 | not listed |
| Bottom bracket | Praxis PF92 | not listed |
| Wheelset | DT Swiss XRC 1200 SPLINE | not listed |
| Tire | Vittoria Mezcal | not listed |
| Brake | SRAM Motive Ultimate | not listed |
| Rotor | SRAM HS2 | not listed |
| Handlebar | BMC ICS one-piece | not listed |
| Dropper post | BMC Autodrop | not listed |
| Saddle | Prologo Dimension NDR | not listed |
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