2019 Specialized Stumpjumper ST Men's Comp Alloy 29 vs 2021 Merida ONE-TWENTY
The S is the Merida ONE-TWENTY size closest to your S Specialized Stumpjumper ST Men's Comp Alloy 29. 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-TWENTY
Compared with the Specialized Stumpjumper ST Men's Comp Alloy 29 in S, the Merida ONE-TWENTY in S places the top of the head tube 5 mm lower and about as far forward, relative to the bottom bracket.
- Frame stack
- −5 mm
- Lower front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- −2 mm
- About the same
- Head angle
- −0.2°
- About the same head angle
- Chainstays
- −2 mm
- About the same
The two frames
Specialized Stumpjumper ST Men's Comp Alloy 29, SMerida ONE-TWENTY, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper ST Men's Comp Alloy 29 S | Merida ONE-TWENTY S | Difference |
|---|---|---|---|
| Reach | 415mm | 415 | ±0 mm |
| Stack | 612mm | 607 | −5 mm |
| Head tube angle | 67.5° | 67.3 | −0.2° |
| Seat tube angle | 75.8° | 75.5 | −0.3° |
| Effective top tube | 570mm | 572 | +2 mm |
| Chainstay length | 437mm | 435 | −2 mm |
| Wheelbase | 1143mm | 1141 | −2 mm |
| BB drop | 39mm | 40 | +1 mm |
| BB height | 333mm | not listed | |
| Standover | 750mm | 703 | −47 mm |
| Seat tube length | 380mm | 400 | +20 mm |
| Fork length | 540mm | 541 | +1 mm |
| Head tube length | 100mm | 95 | −5 mm |
Differences are the Merida ONE-TWENTY minus the Specialized Stumpjumper ST Men's Comp Alloy 29. Full charts: 2019 Specialized Stumpjumper ST Men's Comp Alloy 29, 2021 Merida ONE-TWENTY.
Where each sits in its class
Specialized Stumpjumper ST Men's Comp Alloy 29Merida ONE-TWENTY
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 Men's Comp Alloy 29Men's Comp Alloy 29 | Merida ONE-TWENTY3000 |
|---|---|---|
| Fork | Fox FLOAT 34 Rhythm | Marzocchi Z2 |
| Rear shock | Fox Float DPS Performance | RockShox Deluxe Select+ |
| Shifter | Shimano SLX | not listed |
| Derailleur | Shimano SLX | Shimano XT M8100 Shadow+ |
| Cassette | Shimano SLX | Shimano Deore M6100 |
| Chain | KMC X-11 | KMC X12 |
| Tire | Specialized Butcher, Specialized Purgatory | Maxxis Dissector, Maxxis Minion DHR II |
| Brake | Shimano MT501 | Shimano Deore M6100 |
| Grips | Specialized Sip Grip | Merida EXPERT EC |
| Dropper post | X-Fusion Manic | not listed |
| Seatpost | X-Fusion Manic | Merida COMP TR |
| Saddle | Specialized Phenom Comp | Merida EXPERT CC |
| Frame | not listed | Merida ONE-TWENTY CFA |
| Bottom bracket | not listed | Shimano MT500-PA pressfit |
| Rim | not listed | Merida EXPERT TR |
| Rotor | not listed | Shimano SM-RT54 |
| Handlebar | not listed | Merida EXPERT TR |
| Stem | not listed | Merida EXPERT TR |
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