2019 Merida One-Forty vs 2020 Specialized Stumpjumper ST Alloy 27.5
The L is the Specialized Stumpjumper ST Alloy 27.5 size closest to your L Merida One-Forty. 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 Stumpjumper ST Alloy 27.5
Compared with the Merida One-Forty in L, the Specialized Stumpjumper ST Alloy 27.5 in L places the top of the head tube 8 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 18 mm longer, which can contribute to stability at speed.
- Frame stack
- +8 mm
- Higher front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- +18 mm
- Longer: steadier at speed
- Head angle
- −0.8°
- Slacker: calmer steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Merida One-Forty, LSpecialized Stumpjumper ST Alloy 27.5, LDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Merida One-Forty L | Specialized Stumpjumper ST Alloy 27.5 L | Difference |
|---|---|---|---|
| Reach | 455 | 455mm | ±0 mm |
| Stack | 614.9 | 623mm | +8 mm |
| Head tube angle | 66.3 | 65.5° | −0.8° |
| Seat tube angle | 75 | 74.6° | −0.4° |
| Effective top tube | 619.7 | not listed | |
| Chainstay length | 435 | 432mm | −3 mm |
| Wheelbase | 1194 | 1212mm | +18 mm |
| BB drop | 21 | 21mm | ±0 mm |
| Standover | 750 | 769mm | +19 mm |
| Seat tube length | 475 | 455mm | −20 mm |
| Fork length | 542 | 542mm | ±0 mm |
| Head tube length | 125 | 140mm | +15 mm |
| BB height | not listed | 336mm |
Differences are the Specialized Stumpjumper ST Alloy 27.5 minus the Merida One-Forty. Full charts: 2019 Merida One-Forty, 2020 Specialized Stumpjumper ST Alloy 27.5.
Where each sits in its class
Merida One-FortySpecialized Stumpjumper ST Alloy 27.5
Each bike is ranked against the other trail bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
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