2026 Specialized Epic World Cup RockShox SIDLuxe WCID Ultimate Frameset vs 2026 BMC Fourstroke LT ONE
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the BMC Fourstroke LT ONE
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- n/a
- One of the bikes has no number for this
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
Only the Specialized Epic World Cup RockShox SIDLuxe WCID Ultimate Frameset is drawn. The BMC Fourstroke LT ONE numbers we have for size M are missing the reach, stack, head angle, chainstay length and wheelbase.
Geometry side by side
| Measurement | Specialized Epic World Cup RockShox SIDLuxe WCID Ultimate Frameset M | BMC Fourstroke LT ONE M | Difference |
|---|---|---|---|
| Reach | 440mm | not listed | |
| Stack | 600mm | not listed | |
| Head tube angle | 66.5° | not listed | |
| Seat tube angle | 74.5° | 74.8 | +0.3° |
| Effective top tube | 612mm | not listed | |
| Chainstay length | 430mm | not listed | |
| Wheelbase | 1150mm | not listed | |
| BB drop | 57mm | not listed | |
| BB height | 313mm | not listed | |
| Standover | 764mm | not listed | |
| Seat tube length | 410mm | not listed | |
| Fork length | 516mm | not listed | |
| Head tube length | 95mm | not listed |
Differences are the BMC Fourstroke LT ONE minus the Specialized Epic World Cup RockShox SIDLuxe WCID Ultimate Frameset. Full charts: 2026 Specialized Epic World Cup RockShox SIDLuxe WCID Ultimate Frameset, 2026 BMC Fourstroke LT ONE.
Where each sits in its class
Specialized Epic World Cup RockShox SIDLuxe WCID Ultimate FramesetBMC Fourstroke LT ONE
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 | Specialized Epic World Cup RockShox SIDLuxe WCID Ultimate FramesetS-Works - RockShox SIDLuxe WCID Ultimate Frameset | BMC Fourstroke LT ONEONE |
|---|---|---|
| Rear shock | RockShox SIDLuxe WCID Ultimate | RockShox SID LUXE Select+ |
| Seatpost | Roval Control SL | BikeYoke Divine |
| Frame | not listed | BMC Fourstroke LT |
| Fork | not listed | RockShox SID Select+ 3P |
| Shifter | not listed | SRAM GX Eagle AXS Rocker |
| Derailleur | not listed | SRAM GX Eagle Transmission |
| Cassette | not listed | SRAM Eagle |
| Chain | not listed | SRAM XX Eagle |
| Crankset | not listed | SRAM Stylo |
| Chainring | not listed | SRAM Eagle AXS |
| Bottom bracket | not listed | Praxis PF92 |
| Wheelset | not listed | DT Swiss M1900 |
| Tire | not listed | Maxxis Rekon |
| Brake | not listed | SRAM G2 RS |
| Rotor | not listed | SRAM CenterLine |
| Handlebar | not listed | BMC MRB 03 Riser |
| Stem | not listed | TruVativ Atmos 7K |
| Saddle | not listed | fizik Antares R7 |
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