Quiver

2020 Specialized Fuse Expert 29 vs 2018 Specialized Stumpjumper 27.5

The L is the Specialized Stumpjumper 27.5 size closest to your M Specialized Fuse Expert 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 Stumpjumper 27.5

Compared with the Specialized Fuse Expert 29 in M, the Specialized Stumpjumper 27.5 in L places the top of the head tube 17 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 4 mm shorter, which can contribute to quicker direction changes.

Frame stack
−17 mm
Lower front end
Frame reach
+2 mm
About the same reach
Wheelbase
−4 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 Expert 29 numbers we have for size M are missing the chainstay length. The numbers below still compare.

Geometry side by side

MeasurementSpecialized Fuse Expert 29 MSpecialized Stumpjumper 27.5 LDifference
Reach440mm442mm+2 mm
Stack625mm608mm−17 mm
Head tube angle66.5°67°+0.5°
Seat tube angle74°74°±0.0°
Wheelbase1162mm1158mm−4 mm
Standover750mm762mm+12 mm
Seat tube length410mm468mm+58 mm
Fork length540mm542mm+2 mm
Head tube length95mm125mm+30 mm
Effective top tubenot listed618mm
Chainstay lengthnot listed420mm
BB dropnot listed18mm

Differences are the Specialized Stumpjumper 27.5 minus the Specialized Fuse Expert 29. Full charts: 2020 Specialized Fuse Expert 29, 2018 Specialized Stumpjumper 27.5.

Where each sits in its class

Specialized Fuse Expert 29Specialized 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 Expert 29Expert 29Specialized Stumpjumper 27.5S-Works 27.5
ForkRockShox RL GoldÖhlins RXF 36
ShifterSRAM NX EagleSRAM XX1 Eagle
DerailleurSRAM NX EagleSRAM XX1 Eagle
CassetteSRAM NX EagleSRAM X01 Eagle
ChainSRAM NX EagleSRAM X01 Eagle
CranksetSRAM NX EagleSRAM XX1 Eagle
Bottom bracketSRAM DUBnot listed
TireSpecialized Butcher, Specialized PurgatorySpecialized Butcher
BrakeSRAM TRLSRAM Guide RS
HandlebarSpecialized Stoutnot listed
StemSpecialized StoutSyntace F109
SeatpostTranzX DropperSpecialized Command Post IRcc
SaddleSpecialized BridgeSpecialized Henge Expert
Rear shocknot listedÖhlins STX
Hubnot listedRoval Traverse SL
Rimnot listedRoval Traverse SL 27.5
Gripsnot listedSpecialized Sip Grip

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

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