Quiver

2025 Trek Fuel EX vs 2026 Transition Smuggler Carbon

The M is the Transition Smuggler Carbon size closest to your ML Trek Fuel EX. 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 Transition Smuggler Carbon

Compared with the Trek Fuel EX in ML, the Transition Smuggler Carbon in M places the top of the head tube at about the same height and 10 mm further back, relative to the bottom bracket. Its wheelbase is 20 mm shorter, which can contribute to quicker direction changes.

Frame stack
−1 mm
About the same height
Frame reach
−10 mm
Shorter frame reach
Wheelbase
−20 mm
Shorter: quicker to change direction
Head angle
+0.5°
Steeper: sharper steering
Chainstays
−5 mm
Shorter: livelier

The two frames

We can't draw these frames yet. The Trek Fuel EX numbers we have for size ML are missing the seat angle. The numbers below still compare.

Geometry side by side

MeasurementTrek Fuel EX MLTransition Smuggler Carbon MDifference
Reach470460−10 mm
Stack616.8616−1 mm
Head tube angle64.565+0.5°
Effective top tube607.4588−19 mm
Chainstay length440435−5 mm
Wheelbase1233.11213−20 mm
BB drop3835−3 mm
BB height335340+5 mm
Standover741.8not listed
Seat tube length420390−30 mm
Head tube length100110+10 mm
Seat tube anglenot listed78.6

Differences are the Transition Smuggler Carbon minus the Trek Fuel EX. Full charts: 2025 Trek Fuel EX, 2026 Transition Smuggler Carbon.

Where each sits in its class

Trek Fuel EXTransition Smuggler Carbon

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 Fuel EX5Transition Smuggler CarbonCarbon Deore
FrameTrek Fuel EXTransition Smuggler
ForkRockShox Recon SilverRockShox Pike Select+
Rear shockX-Fusion Pro 2RockShox Deluxe Select+
ShifterShimano Deore M6100SRAM Eagle 90 Transmission
DerailleurShimano Deore M6100not listed
CassetteShimano Deore M6100SRAM Eagle 90 Transmission
ChainShimano Deore M6100not listed
CranksetShimano MT512SRAM Eagle 90 Transmission
Bottom bracketShimano MT501not listed
WheelsetBontrager Line TLR 30DT Swiss M1900
TireBontrager Gunnison Elite XRMaxxis Assegai, Maxxis Dissector
BrakeShimano MT200SRAM Motive Bronze
RotorShimano SM-RT56SRAM CenterLine
HandlebarTranzX JD-YSI-22PLQANVL Mandrel Alloy 35
StemBontrager CompANVL Swage
GripsBontrager XR Trailnot listed
Dropper postTranzX JD-YSI-22PLQnot listed
SaddleBontrager Arvadanot listed

Know what is on every bike.

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