Quiver

2024 Merida Big Trail vs 2025 Giant Fathom

The L is the Giant Fathom size closest to your L Merida Big Trail. 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 Giant Fathom

Compared with the Merida Big Trail in L, the Giant Fathom in L places the top of the head tube 19 mm lower and 15 mm further forward, relative to the bottom bracket. Its wheelbase is 10 mm longer, which can contribute to stability at speed.

Frame stack
−19 mm
Lower front end
Frame reach
+15 mm
Longer frame reach
Wheelbase
+10 mm
Longer: steadier at speed
Head angle
+0.5°
Steeper: sharper steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

2024 Merida Big Trail (L)The Merida Big Trail frame drawn to scale.J 1196

Only the Merida Big Trail is drawn. The Giant Fathom numbers we have for size L are missing the chainstay length.

Geometry side by side

MeasurementMerida Big Trail LGiant Fathom LDifference
Reach455470+15 mm
Stack650631−19 mm
Head tube angle65.566+0.5°
Seat tube angle75.575−0.5°
Effective top tube622not listed
Chainstay length435not listed
Wheelbase11961206+10 mm
BB drop66.5not listed
Standover725not listed
Seat tube length430465+35 mm
Fork length550not listed
Head tube length110not listed

Differences are the Giant Fathom minus the Merida Big Trail. Full charts: 2024 Merida Big Trail, 2025 Giant Fathom.

Where each sits in its class

Merida Big TrailGiant Fathom

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.

PartMerida Big Trail200Giant Fathom1
FrameMerida BIG.TRAIL TFSGiant Fathom
ForkSR Suntour XCM32 DSGiant Crest 34
ShifterShimano CUES U4000SRAM SX Eagle
DerailleurShimano CUES U4000SRAM NX Eagle SX
CassetteShimano LG300SRAM PG-1150 SX
ChainShimano LG500SRAM SX Eagle
CranksetShimano CUES U4000SRAM SX Eagle Powerspline
Bottom bracketShimano BB-UN101SRAM DUB GX
PedalsVPE-891not listed
TireKenda RegolithMaxxis Ardent Race
RimMerida COMP TRnot listed
BrakeShimano MT200Shimano MT420, Shimano MT410
RotorShimano SM-RT10Shimano RT-26
HandlebarMerida EXPERT CCGiant Contact SL TR35
StemMerida COMP CCGiant Contact SL
GripsMerida COMP ECnot listed
HeadsetMerida M4455not listed
SeatpostMerida COMP CCnot listed
Chainringnot listedSRAM SX Eagle
Wheelsetnot listedGiant AM
Dropper postnot listedGiant Contact Switch
Saddlenot listedGiant Romero

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet