Quiver

2023 Canyon Neuron vs 2025 Giant Fathom 29

The S is the Giant Fathom 29 size closest to your XS Canyon Neuron. 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 Neuron in XS, the Giant Fathom 29 in S places the top of the head tube 35 mm higher and 15 mm further forward, relative to the bottom bracket. Its wheelbase is 18 mm longer, which can contribute to stability at speed.

Frame stack
+35 mm
Higher front end
Frame reach
+15 mm
Longer frame reach
Wheelbase
+18 mm
Longer: steadier at speed
Head angle
±0.0°
About the same head angle
Chainstays
n/a
One of the bikes has no number for this

The two frames

2023 Canyon Neuron (XS)The Canyon Neuron frame drawn to scale.J 1139

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

Geometry side by side

MeasurementCanyon Neuron XSGiant Fathom 29 SDifference
Reach410425+15 mm
Stack587622+35 mm
Head tube angle6666±0.0°
Seat tube angle7675−1.0°
Effective top tube556592+36 mm
Chainstay length430not listed
Wheelbase11391157+18 mm
BB drop18not listed
Standover756727−29 mm
Seat tube length390380−10 mm
Head tube length90not listed
BB heightnot listed314

Differences are the Giant Fathom 29 minus the Canyon Neuron. Full charts: 2023 Canyon Neuron, 2025 Giant Fathom 29.

Where each sits in its class

Canyon NeuronGiant 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 Neuron5Giant Fathom 29Fathom 29
FrameCanyon NeuronGiant Fathom 29
ForkRockShox ReconGiant STL 34
Rear shockRockShox Deluxe Selectnot listed
ShifterSRAM SX EagleShimano CUES SL-6000
DerailleurSRAM SX EagleShimano CUES U6000
CassetteSRAM NX EagleShimano CS-LG300
ChainSRAM SX EagleKMC X11
CranksetSRAM SX EagleShimano CUES U6000
Bottom bracketSRAM DUBnot listed
WheelsetIridium 30Giant AM 29
TireSchwalbe Nobby Nic, Schwalbe Wicked WillMaxxis Minion DHF, Maxxis Aggressor
BrakeSRAM Level TShimano MT420
RotorSRAM Centerline RoundedShimano RT-26
HandlebarIridiumGiant Contact SL TR35
StemIridiumGiant Contact SL 35
SeatpostCanyon SP0081not listed
SaddleSelle Italia X3Giant Romero
Chainringnot listedShimano CUES U6030
Gripsnot listedGiant Sole-O
Dropper postnot listedGiant Contact Switch AT

Know what is on every bike.

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