Quiver

2020 Specialized Stumpjumper ST LTD Downieville Carbon 29 vs 2022 Specialized Fuse M4

The L is the Specialized Fuse M4 size closest to your L Specialized Stumpjumper ST LTD Downieville Carbon 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 Specialized Fuse M4

Compared with the Specialized Stumpjumper ST LTD Downieville Carbon 29 in L, the Specialized Fuse M4 in L places the top of the head tube at about the same height and 10 mm further forward, relative to the bottom bracket. Its wheelbase is 9 mm shorter, which can contribute to quicker direction changes.

Frame stack
+1 mm
About the same height
Frame reach
+10 mm
Longer frame reach
Wheelbase
−9 mm
Shorter: quicker to change direction
Head angle
−0.5°
Slacker: calmer steering
Chainstays
−2 mm
About the same

The two frames

2020 Specialized Stumpjumper ST LTD Downieville Carbon 29 (L) and 2022 Specialized Fuse M4 (L), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Stumpjumper ST LTD Downieville Carbon 29 is drawn in full with its measurements, and the Specialized Fuse M4 is the colored outline on top.J 1197

Specialized Stumpjumper ST LTD Downieville Carbon 29, LSpecialized Fuse M4, LDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Stumpjumper ST LTD Downieville Carbon 29 LSpecialized Fuse M4 LDifference
Reach450mm460mm+10 mm
Stack638mm639mm+1 mm
Head tube angle67°66.5°−0.5°
Seat tube angle74.6°74°−0.6°
Chainstay length437mm435mm−2 mm
Wheelbase1197mm1188mm−9 mm
BB drop36mmnot listed
BB height336mmnot listed
Seat tube length455mm455mm±0 mm
Fork length550mm540mm−10 mm
Head tube length125mmnot listed
Standovernot listed754mm

Differences are the Specialized Fuse M4 minus the Specialized Stumpjumper ST LTD Downieville Carbon 29. Full charts: 2020 Specialized Stumpjumper ST LTD Downieville Carbon 29, 2022 Specialized Fuse M4.

Where each sits in its class

Specialized Stumpjumper ST LTD Downieville Carbon 29Specialized Fuse M4

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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