Quiver

2027 Canyon Grand Canyon AL vs 2025 Giant Fathom 29

The S is the Giant Fathom 29 size closest to your S Canyon Grand Canyon AL. 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 29

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

Frame stack
+14 mm
Higher front end
Frame reach
−5 mm
Shorter 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

2027 Canyon Grand Canyon AL (S)The Canyon Grand Canyon AL frame drawn to scale.J 1155

Only the Canyon Grand Canyon AL is drawn. The Giant Fathom 29 numbers we have for size S are missing the chainstay length.

Geometry side by side

MeasurementCanyon Grand Canyon AL SGiant Fathom 29 SDifference
Reach430425−5 mm
Stack608622+14 mm
Head tube angle6666±0.0°
Seat tube angle74.375+0.7°
Effective top tube593592−1 mm
Chainstay length435not listed
Wheelbase11551157+2 mm
BB drop65not listed
Standover770727−43 mm
Seat tube length400380−20 mm
Head tube lengthnot listednot listed
BB heightnot listed314

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

Where each sits in its class

Canyon Grand Canyon ALGiant Fathom 29

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.

PartCanyon Grand Canyon ALGiant Fathom 29Fathom 29
Framenot listedGiant Fathom 29
Forknot listedGiant STL 34
Shifternot listedShimano CUES SL-6000
Derailleurnot listedShimano CUES U6000
Cassettenot listedShimano CS-LG300
Chainnot listedKMC X11
Cranksetnot listedShimano CUES U6000
Chainringnot listedShimano CUES U6030
Wheelsetnot listedGiant AM 29
Tirenot listedMaxxis Minion DHF, Maxxis Aggressor
Brakenot listedShimano MT420
Rotornot listedShimano RT-26
Handlebarnot listedGiant Contact SL TR35
Stemnot listedGiant Contact SL 35
Gripsnot listedGiant Sole-O
Dropper postnot listedGiant Contact Switch AT
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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