Quiver

2026 Trek Marlin Gen 3 vs 2026 Merida BIG.NINE TR

The L is the Merida BIG.NINE TR size closest to your ML Trek Marlin Gen 3. 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 Merida BIG.NINE TR

Compared with the Trek Marlin Gen 3 in ML, the Merida BIG.NINE TR in L places the top of the head tube 10 mm higher and 5 mm further forward, relative to the bottom bracket.

Frame stack
+10 mm
Higher front end
Frame reach
+5 mm
Longer frame reach
Wheelbase
+2 mm
About the same
Head angle
+0.4°
Steeper: sharper steering
Chainstays
−2 mm
About the same

The two frames

2026 Trek Marlin Gen 3 (ML) and 2026 Merida BIG.NINE TR (L), lined up at the bottom bracketBoth frames drawn to scale. The Trek Marlin Gen 3 is drawn in full with its measurements, and the Merida BIG.NINE TR is the colored outline on top.J 1180

Trek Marlin Gen 3, MLMerida BIG.NINE TR, LDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementTrek Marlin Gen 3 MLMerida BIG.NINE TR LDifference
Reach455460+5 mm
Stack614624+10 mm
Head tube angle66.566.9+0.4°
Seat tube angle73.474.2+0.8°
Effective top tube631637+6 mm
Chainstay length438436−2 mm
Wheelbase11801182+2 mm
BB drop4657+11 mm
Standover759717−42 mm
Seat tube length435440+5 mm
Head tube length110105−5 mm
Stack-to-reach1.35not listed
Fork lengthnot listed530

Differences are the Merida BIG.NINE TR minus the Trek Marlin Gen 3. Full charts: 2026 Trek Marlin Gen 3, 2026 Merida BIG.NINE TR.

Where each sits in its class

Trek Marlin Gen 3Merida BIG.NINE TR

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.

PartTrek Marlin Gen 34 Gen 3Merida BIG.NINE TR5000
FrameTrek Alpha SilverMerida BIG.NINE TR CF3 III
ForkSR Suntour XCE 28RockShox Reba RL
ShifterShimano Acera M315not listed
DerailleurShimano CUES U2000 ESSAShimano XT
CassetteShimano HG300Shimano Deore M6100
ChainKMC Z8.3KMC X12
CranksetProwheel AlloyShimano Deore MT512
Chainringnarrow-widenot listed
PedalsNylon Platformnot listed
WheelsetBontrager Connectionnot listed
TireBontrager MontroseMaxxis Rekon
RimBontrager ConnectionMerida EXPERT CC II
BrakeTektro HD-M275Shimano SLX M7100
RotorTektro 6-boltShimano SM-RT54
HandlebarBontrager AlloyMerida EXPERT CC
StemBontrager CompMerida TEAM CC III
GripsTrek Line CompMerida Comp TR
HeadsetSemi-integrated 1-1/8"Acros ICR INTEGRATED neck
SeatpostBontrager AlloyMerida TEAM TR SL
SaddleBontrager Verse Shortnot listed
Bottom bracketnot listedShimano MT501

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