Quiver

2020 Specialized Fuse M4 vs 2018 Specialized Stumpjumper 27.5

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

What changes on the Specialized Stumpjumper 27.5

Compared with the Specialized Fuse M4 in M, the Specialized Stumpjumper 27.5 in M places the top of the head tube 26 mm lower and 26 mm further back, relative to the bottom bracket. Its wheelbase is 36 mm shorter, which can contribute to quicker direction changes.

Frame stack
−26 mm
Lower front end
Frame reach
−26 mm
Shorter frame reach
Wheelbase
−36 mm
Shorter: quicker to change direction
Head angle
+0.5°
Steeper: sharper steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

We can't draw these frames yet. The Specialized Fuse M4 numbers we have for size M are missing the chainstay length. The numbers below still compare.

Geometry side by side

MeasurementSpecialized Fuse M4 MSpecialized Stumpjumper 27.5 MDifference
Reach440mm414mm−26 mm
Stack625mm599mm−26 mm
Head tube angle66.5°67°+0.5°
Seat tube angle74°74°±0.0°
Wheelbase1162mm1126mm−36 mm
Standover750mm748mm−2 mm
Seat tube length410mm430mm+20 mm
Fork length540mm542mm+2 mm
Head tube length95mm115mm+20 mm
Effective top tubenot listed587mm
Chainstay lengthnot listed420mm
BB dropnot listed18mm

Differences are the Specialized Stumpjumper 27.5 minus the Specialized Fuse M4. Full charts: 2020 Specialized Fuse M4, 2018 Specialized Stumpjumper 27.5.

Where each sits in its class

Specialized Fuse M4Specialized Stumpjumper 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.

What each ships with

The stock build of each bike's first listed trim. Parts that match are dimmed.

PartSpecialized Fuse M4Specialized Stumpjumper 27.5S-Works 27.5
Forknot listedÖhlins RXF 36
Rear shocknot listedÖhlins STX
Shifternot listedSRAM XX1 Eagle
Derailleurnot listedSRAM XX1 Eagle
Cassettenot listedSRAM X01 Eagle
Chainnot listedSRAM X01 Eagle
Cranksetnot listedSRAM XX1 Eagle
Tirenot listedSpecialized Butcher
Hubnot listedRoval Traverse SL
Rimnot listedRoval Traverse SL 27.5
Brakenot listedSRAM Guide RS
Stemnot listedSyntace F109
Gripsnot listedSpecialized Sip Grip
Seatpostnot listedSpecialized Command Post IRcc
Saddlenot listedSpecialized Henge Expert

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