2019 Specialized Stumpjumper ST Men's Expert 29 vs 2021 Merida ONE-TWENTY
The Merida ONE-TWENTY size closest to your M is the M. Compare the M instead
What changes on the Merida ONE-TWENTY
Compared with the Specialized Stumpjumper ST Men's Expert 29 in M, the Merida ONE-TWENTY in S places the top of the head tube at about the same height and 20 mm further back, relative to the bottom bracket. Its wheelbase is 20 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- −20 mm
- Shorter frame reach
- Wheelbase
- −20 mm
- Shorter: quicker to change direction
- Head angle
- −0.2°
- About the same head angle
- Chainstays
- −2 mm
- About the same
The two frames
Specialized Stumpjumper ST Men's Expert 29, MMerida ONE-TWENTY, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper ST Men's Expert 29 M | Merida ONE-TWENTY S | Difference |
|---|---|---|---|
| Reach | 435mm | 415 | −20 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 | 572 | −20 mm |
| Chainstay length | 437mm | 435 | −2 mm |
| Wheelbase | 1161mm | 1141 | −20 mm |
| BB drop | 39mm | 40 | +1 mm |
| BB height | 333mm | not listed | |
| Standover | 743mm | 703 | −40 mm |
| Seat tube length | 410mm | 400 | −10 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 Men's Expert 29. Full charts: 2019 Specialized Stumpjumper ST Men's Expert 29, 2021 Merida ONE-TWENTY.
Where each sits in its class
Specialized Stumpjumper ST Men's Expert 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 Expert 29Men's Expert 29 | Merida ONE-TWENTY3000 |
|---|---|---|
| Fork | RockShox Pike RC | Marzocchi Z2 |
| Rear shock | RockShox Deluxe RT3 | RockShox Deluxe Select+ |
| Shifter | SRAM GX Eagle | not listed |
| Derailleur | SRAM GX Eagle | Shimano XT M8100 Shadow+ |
| Cassette | SRAM GX Eagle | Shimano Deore M6100 |
| Chain | SRAM GX Eagle | KMC X12 |
| Crankset | TruVativ Descendant | not listed |
| Tire | Specialized Butcher, Specialized Purgatory | Maxxis Dissector, Maxxis Minion DHR II |
| Rim | Roval Traverse | Merida EXPERT TR |
| Brake | SRAM Guide R | Shimano Deore M6100 |
| Grips | Specialized Sip Grip | Merida EXPERT EC |
| Seatpost | Specialized Command Post IRcc | 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 |
| Rotor | not listed | Shimano SM-RT54 |
| Handlebar | not listed | Merida EXPERT TR |
| Stem | not listed | Merida EXPERT TR |
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