Quiver

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

2019 Specialized Stumpjumper ST 29 (M) and 2021 Merida ONE-TWENTY (M), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Stumpjumper ST 29 is drawn in full with its measurements, and the Merida ONE-TWENTY is the colored outline on top.J 1161

Specialized Stumpjumper ST 29, MMerida ONE-TWENTY, MDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Stumpjumper ST 29 MMerida ONE-TWENTY MDifference
Reach435mm435±0 mm
Stack607mm607±0 mm
Head tube angle67.5°67.3−0.2°
Seat tube angle75.5°75.5±0.0°
Effective top tube592mm592±0 mm
Chainstay length437mm435−2 mm
Wheelbase1161mm1160.7−0 mm
BB drop39mm40+1 mm
BB height333mmnot listed
Standover743mm718−25 mm
Seat tube length410mm440+30 mm
Fork length540mm541+1 mm
Head tube length95mm95±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

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 29S-Works 29Merida ONE-TWENTY3000
ForkFox FLOAT 34 FactoryMarzocchi Z2
Rear shockFox Float DPS FactoryRockShox Deluxe Select+
ShifterSRAM XX1 Eaglenot listed
DerailleurSRAM XX1 EagleShimano XT M8100 Shadow+
CassetteSRAM X01 EagleShimano Deore M6100
ChainSRAM XX1 EagleKMC X12
CranksetSRAM XX1 Eaglenot listed
WheelsetSpecialized WH-TRAVERSE SL 29 148 XX1 OHLINSnot listed
TireSpecialized Butcher, Specialized PurgatoryMaxxis Dissector, Maxxis Minion DHR II
HubRoval Traverse SLnot listed
RimRoval Traverse SL 29Merida EXPERT TR
BrakeSRAM Guide RSCShimano Deore M6100
StemSyntace MegaForce 2Merida EXPERT TR
GripsSpecialized Sip GripMerida EXPERT EC
SeatpostSpecialized Command Post IRccMerida COMP TR
SaddleSpecialized Phenom ExpertMerida EXPERT CC
Framenot listedMerida ONE-TWENTY CFA
Bottom bracketnot listedShimano MT500-PA pressfit
Rotornot listedShimano SM-RT54
Handlebarnot listedMerida 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
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