Quiver

2022 Specialized Fuse M4 vs 2020 Specialized Stumpjumper SRAM 29

The XL is the Specialized Stumpjumper SRAM 29 size closest to your XL Specialized Fuse M4. 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 Stumpjumper SRAM 29

Compared with the Specialized Fuse M4 in XL, the Specialized Stumpjumper SRAM 29 in XL places the top of the head tube 4 mm higher and 10 mm further back, relative to the bottom bracket. Its wheelbase is 18 mm longer, which can contribute to stability at speed.

Frame stack
+4 mm
Higher front end
Frame reach
−10 mm
Shorter frame reach
Wheelbase
+18 mm
Longer: steadier at speed
Head angle
±0.0°
About the same head angle
Chainstays
+2 mm
About the same

The two frames

2022 Specialized Fuse M4 (XL) and 2020 Specialized Stumpjumper SRAM 29 (XL), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Fuse M4 is drawn in full with its measurements, and the Specialized Stumpjumper SRAM 29 is the colored outline on top.J 1214

Specialized Fuse M4, XLSpecialized Stumpjumper SRAM 29, XLDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Fuse M4 XLSpecialized Stumpjumper SRAM 29 XLDifference
Reach480mm470mm−10 mm
Stack652mm656mm+4 mm
Head tube angle66.5°66.5°±0.0°
Seat tube angle74°73.7°−0.3°
Chainstay length435mm437mm+2 mm
Wheelbase1214mm1232mm+18 mm
Standover793mm775mm−18 mm
Seat tube length505mm505mm±0 mm
Fork length540mm560mm+20 mm
Head tube length95mm140mm+45 mm
BB dropnot listed33mm
BB heightnot listed342mm

Differences are the Specialized Stumpjumper SRAM 29 minus the Specialized Fuse M4. Full charts: 2022 Specialized Fuse M4, 2020 Specialized Stumpjumper SRAM 29.

Where each sits in its class

Specialized Fuse M4Specialized Stumpjumper SRAM 29

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 Fuse M4Specialized Stumpjumper SRAM 29S-Works SRAM AXS 29
Forknot listedRockShox Pike Ultimate
Rear shocknot listedRockShox Super Deluxe Ultimate
Shifternot listedSRAM AXS Eagle Controller
Derailleurnot listedSRAM XX1 Eagle AXS
Cassettenot listedSRAM XX1 Eagle
Chainnot listedSRAM XX1 Eagle
Cranksetnot listedSRAM X01 Eagle
Bottom bracketnot listedSRAM DUB
Wheelsetnot listedRoval Traverse SL
Tirenot listedSpecialized Butcher, Specialized Eliminator
Brakenot listedSRAM Code RSC
Stemnot listedSpecialized Deity
Gripsnot listedSpecialized Deity
Seatpostnot listedRockShox Reverb AXS
Saddlenot listedSpecialized Myth 155

Know what is on every bike.

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