Quiver

2025 Giant Fathom 29 vs 2027 Canyon Grand Canyon AL

The S is the Canyon Grand Canyon AL size closest to your S 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 Canyon Grand Canyon AL

Compared with the Giant Fathom 29 in S, the Canyon Grand Canyon AL in S places the top of the head tube 14 mm lower and 5 mm further forward, relative to the bottom bracket.

Frame stack
−14 mm
Lower front end
Frame reach
+5 mm
Longer frame reach
Wheelbase
−2 mm
About the same
Head angle
±0.0°
About the same head angle
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 S are missing the chainstay length. The numbers below still compare.

Geometry side by side

MeasurementGiant Fathom 29 SCanyon Grand Canyon AL SDifference
Reach425430+5 mm
Stack622608−14 mm
Head tube angle6666±0.0°
Seat tube angle7574.3−0.7°
Effective top tube592593+1 mm
Wheelbase11571155−2 mm
BB height314not listed
Standover727770+43 mm
Seat tube length380400+20 mm
Chainstay lengthnot listed435
BB dropnot listed65
Head tube lengthnot listednot listed

Differences are the Canyon Grand Canyon AL minus the Giant Fathom 29. Full charts: 2025 Giant Fathom 29, 2027 Canyon Grand Canyon AL.

Where each sits in its class

Giant Fathom 29Canyon Grand Canyon AL

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 29Canyon Grand Canyon AL
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

Know what is on every bike.

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