Quiver

2024 Specialized Rockhopper Sport vs 2023 Trek Marlin Gen 2

The XXL is the Trek Marlin Gen 2 size closest to your XXL - 29 Specialized Rockhopper Sport. 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 Marlin Gen 2

Compared with the Specialized Rockhopper Sport in XXL - 29, the Trek Marlin Gen 2 in XXL places the top of the head tube 24 mm lower and 5 mm further back, relative to the bottom bracket. Its wheelbase is 30 mm shorter, which can contribute to quicker direction changes.

Frame stack
−24 mm
Lower front end
Frame reach
−5 mm
Shorter frame reach
Wheelbase
−30 mm
Shorter: quicker to change direction
Head angle
+1.0°
Steeper: sharper steering
Chainstays
−2 mm
About the same

The two frames

2024 Specialized Rockhopper Sport (XXL - 29) and 2023 Trek Marlin Gen 2 (XXL), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Rockhopper Sport is drawn in full with its measurements, and the Trek Marlin Gen 2 is the colored outline on top.J 1203

Specialized Rockhopper Sport, XXL - 29Trek Marlin Gen 2, XXLDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Rockhopper Sport XXL - 29Trek Marlin Gen 2 XXLDifference
Reach485mm480−5 mm
Stack654mm630−24 mm
Head tube angle68.5°69.5°+1.0°
Seat tube angle73.5°73.0°−0.5°
Chainstay length440mm438−2 mm
Wheelbase1203mm1173−30 mm
Standover853mm804−49 mm
Seat tube length560mm559−1 mm
Fork length515mmnot listed
Head tube length135mm120−15 mm
Effective top tubenot listed673
BB dropnot listed58
BB heightnot listed311

Differences are the Trek Marlin Gen 2 minus the Specialized Rockhopper Sport. Full charts: 2024 Specialized Rockhopper Sport, 2023 Trek Marlin Gen 2.

Where each sits in its class

Specialized Rockhopper SportTrek Marlin Gen 2

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other XC 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 Rockhopper SportSportTrek Marlin Gen 24 Gen 2
FrameSpecialized A1 premium buttedTrek Alpha
ForkSR Suntour XCM 29SR Suntour XCE 28
ShifterShimano CUES SL-U4000-9RShimano Altus EF500
DerailleurShimano CUES U4000Shimano Tourney TY300
CassetteShimano CUES CS-LG300-9Shimano TZ500
ChainShimano CN-LG500KMC Z7
CranksetSpecialized StoutShimano Tourney TY301
PedalsSBC-54VP 536
WheelsetFormula SP-2120/SP-2125Bontrager Connection
TireSpecialized Fast Trak SportBontrager XR2 Comp
HubFormula SP-2120, Formula SP-2125Formula DC20, Formula DC-31
BrakeTektro BR-M275Tektro MD-M280
RotorTektro BR-M275not listed
HandlebarSpecialized StoutBontrager Alloy
Stem3D-forgedBontrager Comp
GripsSpecialized TrailBontrager XR Endurance Comp
SaddleSpecialized Bridge SportBontrager Arvada
Bottom bracketnot listedVP BC73
Rimnot listedBontrager Connection
Seatpostnot listedBontrager Alloy

Know what is on every bike.

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