Quiver

2021 Giant Fathom 29 vs 2022 Giant Fathom

We can't match sizes for these two: one of them has no stack and reach for the sizes shown.

What changes on the Giant Fathom

Frame stack
n/a
One of the bikes has no number for this
Frame reach
+45 mm
Longer frame reach
Wheelbase
n/a
One of the bikes has no number for this
Head angle
n/a
One of the bikes has no number for this
Chainstays
±0 mm
About the same

The two frames

2021 Giant Fathom 29 (M)The Giant Fathom 29 frame drawn to scale.J 1174

Only the Giant Fathom 29 is drawn. The Giant Fathom numbers we have for size XL are missing the stack, head angle, seat angle and wheelbase.

Geometry side by side

MeasurementGiant Fathom 29 MGiant Fathom XLDifference
Reach445490+45 mm
Stack622not listed
Head tube angle66.0°not listed
Seat tube angle75.0°not listed
Chainstay length435435±0 mm
Wheelbase1174not listed
BB drop60not listed
Standover745not listed
Seat tube length430not listed
Head tube length95not listed

Differences are the Giant Fathom minus the Giant Fathom 29. Full charts: 2021 Giant Fathom 29, 2022 Giant Fathom.

Where each sits in its class

Giant Fathom 29Giant 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.

PartGiant Fathom 291Giant Fathom1
FrameGiant ALUXX SLGiant ALUXX SL-Grade Aluminum
ForkGiant Crest 34 RCLGiant Crest 34
ShifterSRAM SX EagleSRAM SX Eagle
DerailleurSRAM SX EagleSRAM NX Eagle SX
CassetteSRAM SX EagleSRAM SX Eagle
CranksetTruVativ DescendentSRAM SX Eagle Powerspline
WheelsetGiant AM 29Giant AM 27.5
TireMaxxis Minion DHF, Maxxis AggressorMaxxis Ardent Race
BrakeShimano MT401Shimano MT420/MT410
SeatpostGiant Contact Switchnot listed
Chainnot listedSRAM SX Eagle
Chainringnot listedSRAM 30t
Rotornot listedShimano RT-26
Handlebarnot listedGiant Contact TR35
Stemnot listedGiant Contact SL 35
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.

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