Quiver

2025 Giant Fathom 29 vs 2026 Salsa Timberjack

The XL is the Salsa Timberjack size closest to your XL Giant Fathom 29. 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 Salsa Timberjack

Compared with the Giant Fathom 29 in XL, the Salsa Timberjack in XL places the top of the head tube 14 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 18 mm shorter, which can contribute to quicker direction changes.

Frame stack
−15 mm
Lower front end
Frame reach
+3 mm
About the same reach
Wheelbase
−18 mm
Shorter: quicker to change direction
Head angle
+0.4°
Steeper: sharper steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

We can't draw these frames yet. The Giant Fathom 29 numbers we have for size XL are missing the chainstay length. The numbers below still compare.

Geometry side by side

MeasurementGiant Fathom 29 XLSalsa Timberjack XLDifference
Reach490492.6+3 mm
Stack640625.5−15 mm
Head tube angle6666.4+0.4°
Seat tube angle7575.1+0.1°
Effective top tube662659.3−3 mm
Wheelbase12301211.7−18 mm
BB height314not listed
Standover791792.9+2 mm
Seat tube length495457.2−38 mm
Chainstay lengthnot listed420.0
BB dropnot listed56.6
Fork lengthnot listed543.0
Head tube lengthnot listed125.0

Differences are the Salsa Timberjack minus the Giant Fathom 29. Full charts: 2025 Giant Fathom 29, 2026 Salsa Timberjack.

Where each sits in its class

Giant Fathom 29Salsa Timberjack

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 29Fathom 29Salsa Timberjack
FrameGiant Fathom 29not listed
ForkGiant STL 34not listed
ShifterShimano CUES SL-6000not listed
DerailleurShimano CUES U6000not listed
CassetteShimano CS-LG300not listed
ChainKMC X11not listed
CranksetShimano CUES U6000not listed
ChainringShimano CUES U6030not listed
WheelsetGiant AM 29not listed
TireMaxxis Minion DHF, Maxxis Aggressornot listed
BrakeShimano MT420not listed
RotorShimano RT-26not listed
HandlebarGiant Contact SL TR35not listed
StemGiant Contact SL 35not listed
GripsGiant Sole-Onot listed
Dropper postGiant Contact Switch ATnot listed
SaddleGiant Romeronot listed

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