Quiver

2020 Specialized Fuse Expert 29 vs 2018 Specialized Stumpjumper 27.5 Frameset

The M is the Specialized Stumpjumper 27.5 Frameset size closest to your XS 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 Frameset

Compared with the Specialized Fuse Expert 29 in XS, the Specialized Stumpjumper 27.5 Frameset in M places the top of the head tube 26 mm lower and 14 mm further forward, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.

Frame stack
−26 mm
Lower front end
Frame reach
+14 mm
Longer frame reach
Wheelbase
+4 mm
Longer: steadier at speed
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 XS are missing the chainstay length. The numbers below still compare.

Geometry side by side

MeasurementSpecialized Fuse Expert 29 XSSpecialized Stumpjumper 27.5 Frameset MDifference
Reach400mm414mm+14 mm
Stack625mm599mm−26 mm
Head tube angle66.5°67°+0.5°
Seat tube angle74°74°±0.0°
Wheelbase1122mm1126mm+4 mm
Standover727mm748mm+21 mm
Seat tube length340mm430mm+90 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 Frameset minus the Specialized Fuse Expert 29. Full charts: 2020 Specialized Fuse Expert 29, 2018 Specialized Stumpjumper 27.5 Frameset.

Where each sits in its class

Specialized Fuse Expert 29Specialized Stumpjumper 27.5 Frameset

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 27.5 FramesetS-Works Frameset
ForkRockShox RL Goldnot listed
ShifterSRAM NX Eaglenot listed
DerailleurSRAM NX Eaglenot listed
CassetteSRAM NX Eaglenot listed
ChainSRAM NX Eaglenot listed
CranksetSRAM NX Eaglenot listed
Bottom bracketSRAM DUBnot listed
TireSpecialized Butcher, Specialized Purgatorynot listed
BrakeSRAM TRLnot listed
HandlebarSpecialized Stoutnot listed
StemSpecialized Stoutnot listed
SeatpostTranzX Droppernot listed
SaddleSpecialized Bridgenot listed
Rear shocknot listedÖhlins STX

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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