2023 Giant Bicycles Fathom 29 2

	S	M	L	XL
Stack	622mm	622mm	631mm	640mm
Reach	425mm	445mm	470mm	490mm
Stack to Reach Ratio	1.46:1	1.4:1	1.34:1	1.31:1
Seat Tube Length, Unknown	380mm	430mm	465mm	495mm
Top Tube Length, Actual C-C	592mm	612mm	639mm	662mm
Top Tube Slope	26deg	20.4deg	17.1deg	14.7deg
Head Tube Angle	66deg	66deg	66deg	66deg
Seat Tube Angle	75deg	75deg	75deg	75deg
Head Tube Length	95mm	95mm	105mm	115mm
Bottom Bracket Drop	60mm	60mm	60mm	60mm
Bottom Bracket Height	-43mm	-43mm	-43mm	-43mm
Chainstay Length	438mm	438mm	438mm	438mm
Chainstay Length Horizontal	433.9mm	433.9mm	433.9mm	433.9mm
Front-Center	725.6mm	745.6mm	774.5mm	798.4mm
Front-Center Horizontal	723.1mm	743.1mm	772.1mm	796.1mm
Wheelbase	1157mm	1177mm	1206mm	1230mm
Fork Offset/Rake	44mm	44mm	44mm	44mm
Trail	-40.6mm	-40.6mm	-40.6mm	-40.6mm
Mechanical Trail	-37.1mm	-37.1mm	-37.1mm	-37.1mm
Wheel Flop	-15.1mm	-15.1mm	-15.1mm	-15.1mm
Standover Height	727mm	746mm	764mm	791mm
Tire to Pedal Spindle	543.6mm 165 mm cranks	558.6mm 170 mm cranks	587.5mm 170 mm cranks	611.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	-208mm 165 mm cranks	-213mm 170 mm cranks	-213mm 170 mm cranks	-213mm 170 mm cranks

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Category Trend

Source:https://www.giant-bicycles.com/gb/fathom-29-2-2023

Geometry