Quiver

2019 Merida One-Forty vs 2020 Specialized Stumpjumper ST Alloy 27.5

The Specialized Stumpjumper ST Alloy 27.5 size closest to your M is the M. Compare the M instead

What changes on the Specialized Stumpjumper ST Alloy 27.5

Compared with the Merida One-Forty in M, the Specialized Stumpjumper ST Alloy 27.5 in XS places the top of the head tube 20 mm lower and 30 mm further back, relative to the bottom bracket. Its wheelbase is 43 mm shorter, which can contribute to quicker direction changes.

Frame stack
−20 mm
Lower front end
Frame reach
−30 mm
Shorter frame reach
Wheelbase
−43 mm
Shorter: quicker to change direction
Head angle
+0.2°
About the same head angle
Chainstays
−3 mm
Shorter: livelier

The two frames

2019 Merida One-Forty (M) and 2020 Specialized Stumpjumper ST Alloy 27.5 (XS), lined up at the bottom bracketBoth frames drawn to scale. The Merida One-Forty is drawn in full with its measurements, and the Specialized Stumpjumper ST Alloy 27.5 is the colored outline on top.J 1170

Merida One-Forty, MSpecialized Stumpjumper ST Alloy 27.5, XSDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementMerida One-Forty MSpecialized Stumpjumper ST Alloy 27.5 XSDifference
Reach435405mm−30 mm
Stack601.1581mm−20 mm
Head tube angle66.366.5°+0.2°
Seat tube angle7576.5°+1.5°
Effective top tube596not listed
Chainstay length435432mm−3 mm
Wheelbase11701127mm−43 mm
BB drop2128mm+7 mm
Standover723742mm+19 mm
Seat tube length435380mm−55 mm
Fork length542522mm−20 mm
Head tube length110100mm−10 mm
BB heightnot listed325mm

Differences are the Specialized Stumpjumper ST Alloy 27.5 minus the Merida One-Forty. Full charts: 2019 Merida One-Forty, 2020 Specialized Stumpjumper ST Alloy 27.5.

Where each sits in its class

Merida One-FortySpecialized Stumpjumper ST Alloy 27.5

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.

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