2021 Merida ONE-FORTY vs 2020 Specialized Stumpjumper ST Alloy 27.5
The S is the Specialized Stumpjumper ST Alloy 27.5 size closest to your S 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 S, the Specialized Stumpjumper ST Alloy 27.5 in S places the top of the head tube 5 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 13 mm longer, which can contribute to stability at speed.
- Frame stack
- +5 mm
- Higher front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- +13 mm
- Longer: steadier at speed
- Head angle
- −0.8°
- Slacker: calmer steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Merida ONE-FORTY, SSpecialized Stumpjumper ST Alloy 27.5, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Merida ONE-FORTY S | Specialized Stumpjumper ST Alloy 27.5 S | Difference |
|---|---|---|---|
| Reach | 415 | 415mm | ±0 mm |
| Stack | 587 | 592mm | +5 mm |
| Head tube angle | 66.3 | 65.5° | −0.8° |
| Seat tube angle | 75 | 75.3° | +0.3° |
| Effective top tube | 572 | not listed | |
| Chainstay length | 435 | 432mm | −3 mm |
| Wheelbase | 1144 | 1157mm | +13 mm |
| BB drop | 21 | 21mm | ±0 mm |
| Standover | 708 | 752mm | +44 mm |
| Seat tube length | 410 | 380mm | −30 mm |
| Fork length | 542 | 542mm | ±0 mm |
| Head tube length | 95 | 105mm | +10 mm |
| BB height | not listed | 336mm |
Differences are the Specialized Stumpjumper ST Alloy 27.5 minus the Merida ONE-FORTY. Full charts: 2021 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.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Merida ONE-FORTY400 | Specialized Stumpjumper ST Alloy 27.5 |
|---|---|---|
| Frame | Merida ONE-FORTY LITE | not listed |
| Fork | SR Suntour Aion35 EVO LOR | not listed |
| Rear shock | SR Suntour Unair TR LOR8 | not listed |
| Shifter | Shimano SL-MT500-IL | not listed |
| Derailleur | Shimano Deore M5100 Shadow+ | not listed |
| Cassette | Shimano Deore M5100 | not listed |
| Chain | KMC X11 NPBK | not listed |
| Crankset | Shimano Deore M5100 | not listed |
| Chainring | 32T | not listed |
| Bottom bracket | Shimano MT500-PA pressfit | not listed |
| Wheelset | Merida Comp TR | not listed |
| Tire | Kenda Regolith | not listed |
| Hub | Shimano MT400-B | not listed |
| Rim | Merida COMP TR | not listed |
| Brake | Tektro M275 | not listed |
| Rotor | Shimano SM-RT10 | not listed |
| Handlebar | Merida EXPERT CC | not listed |
| Stem | Merida EXPERT CC | not listed |
| Grips | Merida COMP EC | not listed |
| Headset | Merida M2339 Neck | not listed |
| Seatpost | Merida COMP TR | not listed |
| Saddle | Merida COMP CC | not listed |
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