Quiver

2018 Specialized Fuse 6Fattie/29 vs 2017 Trek Stache

The S is the Trek Stache size closest to your XS Specialized Fuse 6Fattie/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 Trek Stache

Compared with the Specialized Fuse 6Fattie/29 in XS, the Trek Stache in S places the top of the head tube 18 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 7 mm shorter, which can contribute to quicker direction changes.

Frame stack
+18 mm
Higher front end
Frame reach
−1 mm
About the same reach
Wheelbase
−7 mm
Shorter: quicker to change direction
Head angle
−0.1°
About the same head angle
Chainstays
−15 mm
Shorter: livelier

The two frames

2018 Specialized Fuse 6Fattie/29 (XS) and 2017 Trek Stache (S), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Fuse 6Fattie/29 is drawn in full with its measurements, and the Trek Stache is the colored outline on top.J 1078

Specialized Fuse 6Fattie/29, XSTrek Stache, SDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Fuse 6Fattie/29 XSTrek Stache SDifference
Reach380mm379−1 mm
Stack603mm621+18 mm
Head tube angle68.5°68.4°−0.1°
Seat tube angle73°73.5°+0.5°
Effective top tube553mm563+10 mm
Chainstay length435mm420−15 mm
Wheelbase1078mm1071−7 mm
BB dropnot listed61
BB height317mm329+12 mm
Standover715mm798+83 mm
Seat tube length330mm394+64 mm
Fork length500mmnot listed
Head tube length100mm90−10 mm

Differences are the Trek Stache minus the Specialized Fuse 6Fattie/29. Full charts: 2018 Specialized Fuse 6Fattie/29, 2017 Trek Stache.

Where each sits in its class

Specialized Fuse 6Fattie/29Trek Stache

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 6Fattie/296Fattie/29Trek Stache5
ForkSR Suntour XCM32Manitou Machete 32 Comp
ShifterSRAM X5Shimano Deore
DerailleurSRAM GXShimano Deore
ChainKMC X-10KMC X10
CranksetSpecialized StoutRace Face Aeffect
TireSpecialized Ground ControlBontrager Chupacabra
HubSpecialized Stout 110, Specialized Stout 141Bontrager Boost110, Bontrager Boost148
RimSpecialized Stout 38 27.5Sun Ringlé Duroc 50 SL
BrakeTektro AurigaShimano Acera M315
HandlebarSpecialized Stoutnot listed
GripsSpecialized Sip Gripnot listed
SaddleSpecialized Henge CompBontrager Evoke 1.5
Framenot listedTrek Alpha Platinum
Cassettenot listedShimano HG50
Bottom bracketnot listedTrek PF92

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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