Quiver

2018 Specialized Stumpjumper ST Men's Alloy 29 vs 2020 Merida ONE-TWENTY 9.

The L is the Merida ONE-TWENTY 9. size closest to your L Specialized Stumpjumper ST Men's 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 9.

Compared with the Specialized Stumpjumper ST Men's Alloy 29 in L, the Merida ONE-TWENTY 9. in L places the top of the head tube 19 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 7 mm shorter, which can contribute to quicker direction changes.

Frame stack
−19 mm
Lower front end
Frame reach
±0 mm
About the same reach
Wheelbase
−7 mm
Shorter: quicker to change direction
Head angle
−0.2°
About the same head angle
Chainstays
−2 mm
About the same

The two frames

2018 Specialized Stumpjumper ST Men's Alloy 29 (L) and 2020 Merida ONE-TWENTY 9. (L), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Stumpjumper ST Men's Alloy 29 is drawn in full with its measurements, and the Merida ONE-TWENTY 9. is the colored outline on top.J 1192

Specialized Stumpjumper ST Men's Alloy 29, LMerida ONE-TWENTY 9., LDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Stumpjumper ST Men's Alloy 29 LMerida ONE-TWENTY 9. LDifference
Reach455mm455±0 mm
Stack635mm616−19 mm
Head tube angle67.5°67.3−0.2°
Seat tube angle75.1°75.5+0.4°
Effective top tube624mm614−10 mm
Chainstay length437mm435−2 mm
Wheelbase1192mm1185−7 mm
BB drop39mm40+1 mm
BB height333mmnot listed
Standover769mm745−24 mm
Seat tube length455mm480+25 mm
Fork length540mm541+1 mm
Head tube length125mm105−20 mm

Differences are the Merida ONE-TWENTY 9. minus the Specialized Stumpjumper ST Men's Alloy 29. Full charts: 2018 Specialized Stumpjumper ST Men's Alloy 29, 2020 Merida ONE-TWENTY 9..

Where each sits in its class

Specialized Stumpjumper ST Men's Alloy 29Merida ONE-TWENTY 9.

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

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.

PartSpecialized Stumpjumper ST Men's Alloy 29Men's Alloy 29Merida ONE-TWENTY 9.9. 3000
ForkRockShox Recon RLRockShox Revelation RC
Rear shockX-Fusion Pro RLRockShox Deluxe Select+
ShifterShimano SLXSRAM SX Eagle
DerailleurShimano SLXSRAM SX Eagle
ChainKMC X-11SRAM SX Eagle
CranksetSRAM NXnot listed
Bottom bracketSRAM PowerSRAM BB DUB PF MTB 92
TireSpecialized Butcher, Specialized PurgatoryMaxxis Minion DHR II, Maxxis Forekaster
BrakeTektro Gemini CompShimano MT500
GripsSpecialized Sip GripMerida EXPERT EC
SaddleSpecialized Henge SportMerida EXPERT CC
Framenot listedMerida ONE-TWENTY CFA
Cassettenot listedSRAM SX Eagle
Hubnot listedShimano MT400-B
Rimnot listedMerida EXPERT TR
Rotornot listedShimano SM-RT54
Handlebarnot listedMerida EXPERT TR
Stemnot listedMerida EXPERT TR
Seatpostnot listedMerida COMP 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
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet