Quiver

2020 Trek Stache vs 2018 Specialized Fuse Sport 6Fattie/29

The XL is the Specialized Fuse Sport 6Fattie/29 size closest to your XL Trek Stache. 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 Fuse Sport 6Fattie/29

Compared with the Trek Stache in XL, the Specialized Fuse Sport 6Fattie/29 in XL places the top of the head tube 4 mm lower and 8 mm further back, relative to the bottom bracket.

Frame stack
−4 mm
Lower front end
Frame reach
−8 mm
Shorter frame reach
Wheelbase
±0 mm
About the same
Head angle
+0.7°
Steeper: sharper steering
Chainstays
+15 mm
Longer: more planted

The two frames

2020 Trek Stache (XL) and 2018 Specialized Fuse Sport 6Fattie/29 (XL), lined up at the bottom bracketBoth frames drawn to scale. The Trek Stache is drawn in full with its measurements, and the Specialized Fuse Sport 6Fattie/29 is the colored outline on top.J 1172

Trek Stache, XLSpecialized Fuse Sport 6Fattie/29, XLDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementTrek Stache XLSpecialized Fuse Sport 6Fattie/29 XLDifference
Reach463455mm−8 mm
Stack654650mm−4 mm
Head tube angle67.8°68.5°+0.7°
Seat tube angle72.3°74°+1.7°
Effective top tube672654mm−18 mm
Chainstay length420435mm+15 mm
Wheelbase11721172mm±0 mm
BB drop68not listed
BB height317317mm±0 mm
Standover795841mm+46 mm
Seat tube length521510mm−11 mm
Head tube length110130mm+20 mm
Fork lengthnot listed520mm

Differences are the Specialized Fuse Sport 6Fattie/29 minus the Trek Stache. Full charts: 2020 Trek Stache, 2018 Specialized Fuse Sport 6Fattie/29.

Where each sits in its class

Trek StacheSpecialized Fuse Sport 6Fattie/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.

PartTrek Stache7Specialized Fuse Sport 6Fattie/29Sport 6Fattie/29
FrameTrek Alpha Platinumnot listed
ForkRockShox Yari RLSR Suntour XCR
ShifterSRAM SX EagleSRAM X5
DerailleurSRAM NX EagleSRAM GX
CassetteSRAM SX Eaglenot listed
ChainSRAM SX EagleSRAM PC-1031
CranksetSRAM SX EagleSRAM NX
Bottom bracketSRAM DUBnot listed
PedalsVP 536not listed
TireBontrager XR4 Team IssueSpecialized Ground Control
RimSun Ringlé Duroc 50 SLSpecialized Stout 38 27.5
StemBontrager Rhythmnot listed
HeadsetFSA IS2not listed
SeatpostTranzX JD-YSP18not listed
SaddleBontrager ArvadaSpecialized Henge Sport
Hubnot listedSpecialized Stout 110, Specialized Stout 141
Brakenot listedTektro Gemini
Handlebarnot listedSpecialized Stout
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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