Quiver

2025 Specialized Enduro Pro vs 2027 Trek Fuel MX 9.9 Gen 7

The Trek Fuel MX 9.9 Gen 7 size closest to your S4 is the L. Compare the L instead

What changes on the Trek Fuel MX 9.9 Gen 7

Compared with the Specialized Enduro Pro in S4, the Trek Fuel MX 9.9 Gen 7 in S places the top of the head tube 16 mm lower and 61 mm further back, relative to the bottom bracket. Its wheelbase is 83 mm shorter, which can contribute to quicker direction changes.

Frame stack
−16 mm
Lower front end
Frame reach
−61 mm
Shorter frame reach
Wheelbase
−83 mm
Shorter: quicker to change direction
Head angle
+0.3°
Steeper: sharper steering
Chainstays
−8 mm
Shorter: livelier

The two frames

2025 Specialized Enduro Pro (S4) and 2027 Trek Fuel MX 9.9 Gen 7 (S), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Enduro Pro is drawn in full with its measurements, and the Trek Fuel MX 9.9 Gen 7 is the colored outline on top.J 1274

Specialized Enduro Pro, S4Trek Fuel MX 9.9 Gen 7, SDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Enduro Pro S4Trek Fuel MX 9.9 Gen 7 SDifference
Reach487mm426−61 mm
Stack629mm613−16 mm
Head tube angle63.9°64.2°+0.3°
Seat tube angle76°78.3°+2.3°
Effective top tube644549−95 mm
Chainstay length442mm434−8 mm
Wheelbase1274mm1191−83 mm
BB height347343−4 mm
Seat tube length440mm370−70 mm
Fork lengthnot listednot listed
Head tube length11095−15 mm
BB dropnot listed31
Standovernot listed745

Differences are the Trek Fuel MX 9.9 Gen 7 minus the Specialized Enduro Pro. Full charts: 2025 Specialized Enduro Pro, 2027 Trek Fuel MX 9.9 Gen 7.

Where each sits in its class

Specialized Enduro ProTrek Fuel MX 9.9 Gen 7

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 Enduro ProProTrek Fuel MX 9.9 Gen 79.9 X0 AXS Gen 7
FrameSpecialized Enduronot listed
ForkRockShox Zeb UltimateRockShox ZEB B1 Ultimate
Rear shockRockShox Vivid UltimateRockShox Vivid D1 Ultimate
ShifterSRAM Pod ControllerSRAM Pod Controller
DerailleurSRAM X0 Eagle TransmissionSRAM X0 Eagle AXS
CassetteSRAM X0 Eagle TransmissionSRAM X0 Eagle Transmission
ChainSRAM X0 Eagle TransmissionSRAM X0 Eagle
CranksetSRAM X0 EagleSRAM X0 Eagle
ChainringSRAM 32Tnot listed
Bottom bracketSRAM DUBSRAM DUB
WheelsetRoval Traverse HDBontrager Line Pro 30
TireSpecialized ButcherMaxxis Minion DHR II
HubSpecialized Industry 9, Industry Nine 1/1not listed
RimRoval Traverse HDnot listed
BrakeSRAM Maven SilverSRAM Maven
RotorSRAM HS2SRAM HS2
HandlebarRoval Traverse SLRace Face ERA
StemSpecialized Industry 9 MoutainRace Face Turbine
GripsDeity LockjawTrek Line Elite
Dropper postBikeYoke Revive Maxnot listed
SeatpostBikeYoke Revive MaxFox Transfer Neo
SaddleSpecialized Bridge ExpertTrek Aeolus
Batterynot listedSRAM AXS

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