Quiver

2019 Specialized Stumpjumper ST Men's Comp Alloy 29 vs 2021 Merida ONE-TWENTY

The XL is the Merida ONE-TWENTY size closest to your XL 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 XL, the Merida ONE-TWENTY in XL places the top of the head tube 23 mm lower and 5 mm further back, relative to the bottom bracket. Its wheelbase is 15 mm shorter, which can contribute to quicker direction changes.

Frame stack
−23 mm
Lower front end
Frame reach
−5 mm
Shorter frame reach
Wheelbase
−15 mm
Shorter: quicker to change direction
Head angle
−0.2°
About the same head angle
Chainstays
−2 mm
About the same

The two frames

2019 Specialized Stumpjumper ST Men's Comp Alloy 29 (XL) and 2021 Merida ONE-TWENTY (XL), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Stumpjumper ST Men's Comp Alloy 29 is drawn in full with its measurements, and the Merida ONE-TWENTY is the colored outline on top.J 1223

Specialized Stumpjumper ST Men's Comp Alloy 29, XLMerida ONE-TWENTY, XLDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Stumpjumper ST Men's Comp Alloy 29 XLMerida ONE-TWENTY XLDifference
Reach480mm475−5 mm
Stack649mm626−23 mm
Head tube angle67.5°67.3−0.2°
Seat tube angle74.7°75.5+0.8°
Effective top tube657mm637−20 mm
Chainstay length437mm435−2 mm
Wheelbase1223mm1208−15 mm
BB drop39mm40+1 mm
BB height333mmnot listed
Standover770mm770±0 mm
Seat tube length505mm520+15 mm
Fork length540mm541+1 mm
Head tube length140mm115−25 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

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 Comp Alloy 29Men's Comp Alloy 29Merida ONE-TWENTY3000
ForkFox FLOAT 34 RhythmMarzocchi Z2
Rear shockFox Float DPS PerformanceRockShox Deluxe Select+
ShifterShimano SLXnot listed
DerailleurShimano SLXShimano XT M8100 Shadow+
CassetteShimano SLXShimano Deore M6100
ChainKMC X-11KMC X12
TireSpecialized Butcher, Specialized PurgatoryMaxxis Dissector, Maxxis Minion DHR II
BrakeShimano MT501Shimano Deore M6100
GripsSpecialized Sip GripMerida EXPERT EC
Dropper postX-Fusion Manicnot listed
SeatpostX-Fusion ManicMerida COMP TR
SaddleSpecialized Phenom CompMerida EXPERT CC
Framenot listedMerida ONE-TWENTY CFA
Bottom bracketnot listedShimano MT500-PA pressfit
Rimnot listedMerida EXPERT TR
Rotornot listedShimano SM-RT54
Handlebarnot listedMerida EXPERT TR
Stemnot listedMerida EXPERT TR

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