- BMC Fourstroke R 01
- S
- Stack 584, Reach 437
- Specialized Epic 9
- S
- Stack 594, Reach 420
Stack: 10 mm taller
Reach: 17 mm shorter
BMC Fourstroke R 01 vs Specialized Epic 9: which bike is right for you?
Compare ride character, intended rider, geometry, and fit. Add your measurements to see which bike suits you better and which size to choose on each.
Fit verdict: the frame positions differ enough to matter. Compare the geometry below, then use your measurements to identify the safer size and setup.
In one look
BMC Fourstroke R 01: cross-country geometry. Specialized Epic 9: cross-country geometry.
- Across matched sizes, the frame front of Specialized Epic 9 is about 11 mm higher than BMC Fourstroke R 01. This can support a more upright starting position, while stem and spacers still affect the handlebar.
- The frame front of Specialized Epic 9 is about 12 mm shorter. Handlebar position also depends on the stem and spacers.
These two split on bottom bracket; the sourced values are below. What each difference means for your size, your setup and the riding you describe is in the full comparison.
- BMC Fourstroke R 01
- Press fit
- Specialized Epic 9
- Threaded
A threaded bottom bracket is simpler to service and less prone to creaking; press fit saves weight and allows a wider shell.
- Price
BMC Fourstroke R 01 is the dearer of the two, going by the cheapest build you can buy of each; Specialized Epic 9 starts lower.
Subjective findings from independent tests on stock or near-stock builds. Tyres, pressure and size change how a frame feels.
We compare differences at frame and model level. Components, current price, and availability depend on the exact build and seller.
What do you need from this comparison?
Start with the decision you are making. We will ask only for the details needed to answer it.
Step 1/1
What are you trying to understand?
Your answer decides which questions follow and what the result focuses on.
Fit and size differences
Geometry can separate these bikes: matched sizes create a meaningfully different position.
Typical difference across matched sizes: frame front height 11 mm, forward length 12 mm.
For a personal answer, the fit-and-size path uses your measurements to show only the relevant frame sizes. The full chart remains available as a reference.
View geometry for every size
How do BMC Fourstroke R 01 and Specialized Epic 9 sizes compare?
See the closest size matches and the differences in stack, reach, and riding position.
- BMC Fourstroke R 01
- M
- Stack 592, Reach 457
- Specialized Epic 9
- M
- Stack 604, Reach 450
Stack: 12 mm taller
Reach: 7 mm shorter
- BMC Fourstroke R 01
- L
- Stack 600, Reach 477
- Specialized Epic 9
- L
- Stack 618, Reach 480
Stack: 18 mm taller
Reach: 3 mm longer
- BMC Fourstroke R 01
- XL
- Stack 615, Reach 500
- Specialized Epic 9
- L
- Stack 618, Reach 480
Stack: 3 mm taller
Reach: 20 mm shorter
The same size label can create a different position on each frame. Stack and reach are one part of the decision; the personalized comparison connects them to your body and each bike’s ride character.
FAQ
- Can the same rider take different sizes on these two bikes?
- Yes. Frame labels are not standardized, so the same rider may need different sizes. This comparison deliberately avoids a generic matched-size answer and hands your measurements to Bike Fit instead.
- Which frame has the higher front: BMC Fourstroke R 01 or Specialized Epic 9?
- Across matched sizes, the frame front of Specialized Epic 9 is about 11 mm higher than BMC Fourstroke R 01. This can support a more upright starting position, while stem and spacers still affect the handlebar.
TrainCraft training
Prepare for a goal or an event
Read training guides by goal and preparation roadmaps for cycling events, and use free structured workouts with .zwo export. Training plans are part of PRO. Adaptive plan changes that you review and apply are part of PRO AI.