Quiver

2019 Specialized Fuse Expert 27.5+ vs 2019 Trek Stache AL Frameset

The XL is the Trek Stache AL Frameset size closest to your XXL Specialized Fuse Expert 27.5+. 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 Trek Stache AL Frameset

Compared with the Specialized Fuse Expert 27.5+ in XXL, the Trek Stache AL Frameset in XL places the top of the head tube 7 mm lower and 12 mm further back, relative to the bottom bracket. Its wheelbase is 40 mm shorter, which can contribute to quicker direction changes.

Frame stack
−7 mm
Lower front end
Frame reach
−12 mm
Shorter frame reach
Wheelbase
−40 mm
Shorter: quicker to change direction
Head angle
+0.3°
About the same head angle
Chainstays
−10 mm
Shorter: livelier

The two frames

2019 Specialized Fuse Expert 27.5+ (XXL) and 2019 Trek Stache AL Frameset (XL), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Fuse Expert 27.5+ is drawn in full with its measurements, and the Trek Stache AL Frameset is the colored outline on top.J 1211

Specialized Fuse Expert 27.5+, XXLTrek Stache AL Frameset, XLDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Fuse Expert 27.5+ XXLTrek Stache AL Frameset XLDifference
Reach476mm464−12 mm
Stack661mm654−7 mm
Head tube angle67.5°67.8°+0.3°
Seat tube angle73°73.5°+0.5°
Effective top tube679mm666−13 mm
Chainstay length430mm420−10 mm
Wheelbase1211mm1171−40 mm
BB drop51mm65+14 mm
BB height312mm322+10 mm
Standover866mm779−87 mm
Seat tube length555mm521−34 mm
Fork length530mmnot listed
Head tube length150mm110−40 mm

Differences are the Trek Stache AL Frameset minus the Specialized Fuse Expert 27.5+. Full charts: 2019 Specialized Fuse Expert 27.5+, 2019 Trek Stache AL Frameset.

Where each sits in its class

Specialized Fuse Expert 27.5+Trek Stache AL 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 27.5+Expert 27.5+Trek Stache AL FramesetAL Frameset
ForkRockShox Reba RLnot 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 Purgatorynot listed
RimSpecialized Stoutnot listed
BrakeSRAM Level T, SRAM Levelnot listed
HandlebarSpecialized Stoutnot listed
GripsSpecialized Sip Gripnot listed
Dropper postSpecialized TransX Droppernot listed
SeatpostSpecialized Trans-X Droppernot listed
SaddleSpecialized Henge Compnot listed
Framenot listedTrek Alpha Platinum
Headsetnot listedFSA IS2

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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