Quiver

2027 Specialized Turbo Levo 4 Comp Alloy vs 2027 Trek Fuel+ MX 9.9 Gen 2

The S is the Trek Fuel+ MX 9.9 Gen 2 size closest to your S2 Specialized Turbo Levo 4 Comp Alloy. 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 Fuel+ MX 9.9 Gen 2

Compared with the Specialized Turbo Levo 4 Comp Alloy in S2, the Trek Fuel+ MX 9.9 Gen 2 in S places the top of the head tube 9 mm higher and 9 mm further back, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.

Frame stack
+9 mm
Higher front end
Frame reach
−9 mm
Shorter frame reach
Wheelbase
+4 mm
Longer: steadier at speed
Head angle
−0.3°
About the same head angle
Chainstays
+5 mm
Longer: more planted

The two frames

We can't draw these frames yet. The Specialized Turbo Levo 4 Comp Alloy numbers we have for size S2 are missing the seat angle. The numbers below still compare.

Geometry side by side

MeasurementSpecialized Turbo Levo 4 Comp Alloy S2Trek Fuel+ MX 9.9 Gen 2 SDifference
Reach435mm426−9 mm
Stack618mm627+9 mm
Head tube angle64.5°64.2°−0.3°
Effective top tube578mm560−18 mm
Chainstay length435mm440+5 mm
Wheelbase1200mm1204+4 mm
BB drop29.5mm31+2 mm
BB height350mm343−7 mm
Standover753mm758+5 mm
Seat tube length390mm370−20 mm
Fork length577mmnot listed
Head tube length95mm110+15 mm
Seat tube anglenot listed77.7°

Differences are the Trek Fuel+ MX 9.9 Gen 2 minus the Specialized Turbo Levo 4 Comp Alloy. Full charts: 2027 Specialized Turbo Levo 4 Comp Alloy, 2027 Trek Fuel+ MX 9.9 Gen 2.

Where each sits in its class

Specialized Turbo Levo 4 Comp AlloyTrek Fuel+ MX 9.9 Gen 2

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 Turbo Levo 4 Comp AlloyComp AlloyTrek Fuel+ MX 9.9 Gen 29.9 X0 AXS Gen 2
FrameSpecialized Levo 4Trek OCLV
ForkFox FLOAT 36 RhythmRockShox ZEB B1 Ultimate
Rear shockFox FLOATRockShox Vivid D1 Ultimate
ShifterSRAM EagleSRAM Pod Controller
DerailleurSRAM Eagle 90 TransmissionSRAM X0 Eagle AXS
ChainSRAM TransmissionSRAM X0 Eagle
CranksetSRAM S1000SRAM XX
ChainringSRAM TransmissionSRAM Transmission
MotorSpecialized 3.1TQ HPR60-DRV01
BrakeSRAM Maven BronzeSRAM Maven
Dropper postX-Fusion Manicnot listed
SaddleSpecialized Bridge CompTrek Aeolus
Cassettenot listedSRAM X0 Eagle Transmission
Batterynot listedTQ HPR 580Wh V01
Wheelsetnot listedBontrager Line Pro 30
Tirenot listedMaxxis Assegai
Rotornot listedSRAM HS2
Handlebarnot listedRace Face ERA
Stemnot listedRace Face Turbine
Gripsnot listedTrek Line Elite
Seatpostnot listedFox Transfer Neo

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