2019 Specialized Stumpjumper ST 29 vs 2021 Merida ONE-TWENTY
The M is the Merida ONE-TWENTY size closest to your M Specialized Stumpjumper ST 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 29 in M, the Merida ONE-TWENTY in M places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- −0 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 29, MMerida ONE-TWENTY, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper ST 29 M | Merida ONE-TWENTY M | Difference |
|---|---|---|---|
| Reach | 435mm | 435 | ±0 mm |
| Stack | 607mm | 607 | ±0 mm |
| Head tube angle | 67.5° | 67.3 | −0.2° |
| Seat tube angle | 75.5° | 75.5 | ±0.0° |
| Effective top tube | 592mm | 592 | ±0 mm |
| Chainstay length | 437mm | 435 | −2 mm |
| Wheelbase | 1161mm | 1160.7 | −0 mm |
| BB drop | 39mm | 40 | +1 mm |
| BB height | 333mm | not listed | |
| Standover | 743mm | 718 | −25 mm |
| Seat tube length | 410mm | 440 | +30 mm |
| Fork length | 540mm | 541 | +1 mm |
| Head tube length | 95mm | 95 | ±0 mm |
Differences are the Merida ONE-TWENTY minus the Specialized Stumpjumper ST 29. Full charts: 2019 Specialized Stumpjumper ST 29, 2021 Merida ONE-TWENTY.
Where each sits in its class
Specialized Stumpjumper ST 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 29S-Works 29 | Merida ONE-TWENTY3000 |
|---|---|---|
| Fork | Fox FLOAT 34 Factory | Marzocchi Z2 |
| Rear shock | Fox Float DPS Factory | RockShox Deluxe Select+ |
| Shifter | SRAM XX1 Eagle | not listed |
| Derailleur | SRAM XX1 Eagle | Shimano XT M8100 Shadow+ |
| Cassette | SRAM X01 Eagle | Shimano Deore M6100 |
| Chain | SRAM XX1 Eagle | KMC X12 |
| Crankset | SRAM XX1 Eagle | not listed |
| Wheelset | Specialized WH-TRAVERSE SL 29 148 XX1 OHLINS | not listed |
| Tire | Specialized Butcher, Specialized Purgatory | Maxxis Dissector, Maxxis Minion DHR II |
| Hub | Roval Traverse SL | not listed |
| Rim | Roval Traverse SL 29 | Merida EXPERT TR |
| Brake | SRAM Guide RSC | Shimano Deore M6100 |
| Stem | Syntace MegaForce 2 | Merida EXPERT TR |
| Grips | Specialized Sip Grip | Merida EXPERT EC |
| Seatpost | Specialized Command Post IRcc | Merida COMP TR |
| Saddle | Specialized Phenom Expert | Merida EXPERT CC |
| Frame | not listed | Merida ONE-TWENTY CFA |
| Bottom bracket | not listed | Shimano MT500-PA pressfit |
| Rotor | not listed | Shimano SM-RT54 |
| Handlebar | not listed | Merida EXPERT TR |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app



