2019 Specialized Stumpjumper ST 27.5 vs 2021 Merida ONE-FORTY
The S is the Merida ONE-FORTY size closest to your S Specialized Stumpjumper ST 27.5. 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 ONE-FORTY
Compared with the Specialized Stumpjumper ST 27.5 in S, the Merida ONE-FORTY in S places the top of the head tube at about the same height and 10 mm further back, relative to the bottom bracket. Its wheelbase is 5 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +1 mm
- About the same height
- Frame reach
- −10 mm
- Shorter frame reach
- Wheelbase
- −5 mm
- Shorter: quicker to change direction
- Head angle
- −0.2°
- About the same head angle
- Chainstays
- +3 mm
- Longer: more planted
The two frames
Specialized Stumpjumper ST 27.5, SMerida ONE-FORTY, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper ST 27.5 S | Merida ONE-FORTY S | Difference |
|---|---|---|---|
| Reach | 425mm | 415 | −10 mm |
| Stack | 586mm | 587 | +1 mm |
| Head tube angle | 66.5° | 66.3 | −0.2° |
| Seat tube angle | 76.3° | 75 | −1.3° |
| Effective top tube | 568mm | 572 | +4 mm |
| Chainstay length | 432mm | 435 | +3 mm |
| Wheelbase | 1149mm | 1144 | −5 mm |
| BB drop | 28mm | 21 | −7 mm |
| BB height | 325mm | not listed | |
| Standover | 731mm | 708 | −23 mm |
| Seat tube length | 380mm | 410 | +30 mm |
| Fork length | 522mm | 542 | +20 mm |
| Head tube length | 105mm | 95 | −10 mm |
Differences are the Merida ONE-FORTY minus the Specialized Stumpjumper ST 27.5. Full charts: 2019 Specialized Stumpjumper ST 27.5, 2021 Merida ONE-FORTY.
Where each sits in its class
Specialized Stumpjumper ST 27.5Merida ONE-FORTY
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 | Specialized Stumpjumper ST 27.5S-Works 27.5 | Merida ONE-FORTY400 |
|---|---|---|
| Fork | Fox FLOAT 34 Factory | SR Suntour Aion35 EVO LOR |
| Rear shock | Fox Float DPS Factory | SR Suntour Unair TR LOR8 |
| Shifter | SRAM XX1 Eagle | Shimano SL-MT500-IL |
| Derailleur | SRAM XX1 Eagle | Shimano Deore M5100 Shadow+ |
| Cassette | SRAM X01 Eagle | Shimano Deore M5100 |
| Chain | SRAM XX1 Eagle | KMC X11 NPBK |
| Crankset | SRAM XX1 Eagle | Shimano Deore M5100 |
| Tire | Specialized Butcher, Specialized Purgatory | Kenda Regolith |
| Hub | Roval Traverse SL | Shimano MT400-B |
| Rim | Roval Traverse SL 27.5 | Merida COMP TR |
| Brake | SRAM Guide RSC | Tektro M275 |
| Stem | Syntace MegaForce 2 | Merida EXPERT CC |
| Grips | Specialized Sip Grip | Merida COMP EC |
| Seatpost | Specialized Command Post IRcc | Merida COMP TR |
| Saddle | Specialized Phenom Expert | Merida COMP CC |
| Frame | not listed | Merida ONE-FORTY LITE |
| Chainring | not listed | 32T |
| Bottom bracket | not listed | Shimano MT500-PA pressfit |
| Wheelset | not listed | Merida Comp TR |
| Rotor | not listed | Shimano SM-RT10 |
| Handlebar | not listed | Merida EXPERT CC |
| Headset | not listed | Merida M2339 Neck |
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