Quiver

2018 Specialized Stumpjumper Expert 11m 27.5 vs 2020 Specialized Fuse M4

The Specialized Fuse M4 size closest to your M is the S. Compare the S instead

What changes on the Specialized Fuse M4

Compared with the Specialized Stumpjumper Expert 11m 27.5 in M, the Specialized Fuse M4 in XS places the top of the head tube 26 mm higher and 14 mm further back, relative to the bottom bracket. Its wheelbase is 4 mm shorter, which can contribute to quicker direction changes.

Frame stack
+26 mm
Higher front end
Frame reach
−14 mm
Shorter frame reach
Wheelbase
−4 mm
Shorter: quicker to change direction
Head angle
−0.5°
Slacker: calmer steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

2018 Specialized Stumpjumper Expert 11m 27.5 (M)The Specialized Stumpjumper Expert 11m 27.5 frame drawn to scale.J 1126

Only the Specialized Stumpjumper Expert 11m 27.5 is drawn. The Specialized Fuse M4 numbers we have for size XS are missing the chainstay length.

Geometry side by side

MeasurementSpecialized Stumpjumper Expert 11m 27.5 MSpecialized Fuse M4 XSDifference
Reach414mm400mm−14 mm
Stack599mm625mm+26 mm
Head tube angle67°66.5°−0.5°
Seat tube angle74°74°±0.0°
Effective top tube585mmnot listed
Chainstay length420mmnot listed
Wheelbase1126mm1122mm−4 mm
BB drop18mmnot listed
Standover748mm727mm−21 mm
Seat tube length430mm340mm−90 mm
Fork length542mm540mm−2 mm
Head tube length115mm95mm−20 mm

Differences are the Specialized Fuse M4 minus the Specialized Stumpjumper Expert 11m 27.5. Full charts: 2018 Specialized Stumpjumper Expert 11m 27.5, 2020 Specialized Fuse M4.

Where each sits in its class

Specialized Stumpjumper Expert 11m 27.5Specialized 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.

What each ships with

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

PartSpecialized Stumpjumper Expert 11m 27.5Expert 11m 27.5Specialized Fuse M4
ForkSpecialized Pike RCnot listed
Rear shockRockShox Monarch RT3not listed
ShifterSRAM GX Eaglenot listed
DerailleurSRAM GX Eaglenot listed
CassetteSRAM GX Eaglenot listed
ChainSRAM GX Eaglenot listed
CranksetTruVativ Descendantnot listed
TireSpecialized Butchernot listed
HubRoval Traversenot listed
RimRoval Traverse 27.5not listed
BrakeSRAM Guide Rnot listed
GripsSpecialized Sip Gripnot listed
SeatpostSpecialized Command Post IRccnot listed
SaddleSpecialized Henge Compnot listed

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