2018 Trek Superfly 26 vs 2019 Merida BIG.SEVEN 20-D
The XS is the Merida BIG.SEVEN 20-D size closest to your 26" Trek Superfly 26. 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 Merida BIG.SEVEN 20-D
Compared with the Trek Superfly 26 in 26", the Merida BIG.SEVEN 20-D in XS places the top of the head tube 40 mm higher and 12 mm further forward, relative to the bottom bracket. Its wheelbase is 34 mm longer, which can contribute to stability at speed.
- Frame stack
- +40 mm
- Higher front end
- Frame reach
- +12 mm
- Longer frame reach
- Wheelbase
- +34 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Superfly 26 numbers we have for size 26" are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Superfly 26 26" | Merida BIG.SEVEN 20-D XS | Difference |
|---|---|---|---|
| Reach | 362 | 374 | +12 mm |
| Stack | 553 | 593 | +40 mm |
| Head tube angle | 70.0° | 70 | ±0.0° |
| Effective top tube | 515 | 550 | +35 mm |
| Chainstay length | 430 | 430 | ±0 mm |
| Wheelbase | 1008 | 1042 | +34 mm |
| BB drop | 45 | 53 | +8 mm |
| Standover | 652 | 650 | −2 mm |
| Seat tube length | 320 | 343 | +23 mm |
| Head tube length | 100 | 100 | ±0 mm |
| Seat tube angle | not listed | 73.5 | |
| Fork length | not listed | 490 |
Differences are the Merida BIG.SEVEN 20-D minus the Trek Superfly 26. Full charts: 2018 Trek Superfly 26, 2019 Merida BIG.SEVEN 20-D.
Where each sits in its class
Trek Superfly 26Merida BIG.SEVEN 20-D
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 | Trek Superfly 2626 | Merida BIG.SEVEN 20-D20-D |
|---|---|---|
| Frame | Trek Dialed | Merida BIG.SEVEN SPEED |
| Fork | X-Fusion Velvet RL | SR Suntour XCM-HLO |
| Shifter | SRAM NX | Shimano ST-EF505 |
| Derailleur | SRAM NX | Shimano FD-TY700, Shimano Acera M360 |
| Cassette | SRAM PG 1130 | SunRace CSM668 |
| Chain | SRAM PC1110 | KMC M700 |
| Crankset | SRAM NX | not listed |
| Wheelset | Formula DC-20 | not listed |
| Tire | Bontrager XR2 | Merida K1080 |
| Hub | Formula DC20, Formula DC22 | Shimano TX505 |
| Rim | Bontrager AT-650 | Merida CC |
| Brake | Tektro M285 | Shimano ST-EF505 |
| Saddle | Trek Dialed 24 | not listed |
| Bottom bracket | not listed | FSA TH-7420ST-W |
| Rotor | not listed | Shimano SM-RT10 |
| Handlebar | not listed | Merida CC |
| Stem | not listed | Merida CC |
| Grips | not listed | Merida EC |
| Headset | not listed | FSA NO.10P Neck15 |
| Seatpost | not listed | Merida CC |
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