Quiver

2020 Specialized Fuse Expert 29 vs 2020 Specialized Stumpjumper ST Alloy 29

The Specialized Stumpjumper ST Alloy 29 size closest to your M is the M. Compare the M instead

What changes on the Specialized Stumpjumper ST Alloy 29

Compared with the Specialized Fuse Expert 29 in M, the Specialized Stumpjumper ST Alloy 29 in XL places the top of the head tube 31 mm higher and 30 mm further forward, relative to the bottom bracket. Its wheelbase is 70 mm longer, which can contribute to stability at speed.

Frame stack
+31 mm
Higher front end
Frame reach
+30 mm
Longer frame reach
Wheelbase
+70 mm
Longer: steadier at speed
Head angle
±0.0°
About the same head angle
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 ST Alloy 29 XLDifference
Reach440mm470mm+30 mm
Stack625mm656mm+31 mm
Head tube angle66.5°66.5°±0.0°
Seat tube angle74°73.7°−0.3°
Wheelbase1162mm1232mm+70 mm
Standover750mm776mm+26 mm
Seat tube length410mm505mm+95 mm
Fork length540mm560mm+20 mm
Head tube length95mm140mm+45 mm
Chainstay lengthnot listed437mm
BB dropnot listed33mm
BB heightnot listed341mm

Differences are the Specialized Stumpjumper ST Alloy 29 minus the Specialized Fuse Expert 29. Full charts: 2020 Specialized Fuse Expert 29, 2020 Specialized Stumpjumper ST Alloy 29.

Where each sits in its class

Specialized Fuse Expert 29Specialized Stumpjumper ST Alloy 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 Expert 29Expert 29Specialized Stumpjumper ST Alloy 29
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

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