Name: 2026 Sonder Santiago Apex1
Brand: Sonder

	Small	Medium	Large	X Large
Stack	574mm	583mm	602mm	621mm
Reach	375mm	390mm	400mm	420mm
Stack to Reach Ratio	1.53:1	1.49:1	1.51:1	1.48:1
Seat Tube Length, Unknown	470mm	500mm	530mm	570mm
Top Tube Length, Effective/Horizontal Unknown	550mm	568mm	589mm	610mm
Top Tube Slope	13.7deg	11.1deg	9.7deg	7.4deg
Head Tube Angle	71deg	71deg	71deg	71deg
Seat Tube Angle	73deg	73deg	73deg	73deg
Head Tube Length	125mm	135mm	155mm	175mm
Bottom Bracket Drop	73mm	73mm	73mm	73mm
Bottom Bracket Height	283mm	283mm	283mm	283mm
Chainstay Length	450mm	450mm	450mm	450mm
Chainstay Length Horizontal	444mm	444mm	444mm	444mm
Front-Center	610.3mm	628.2mm	649.1mm	666mm
Front-Center Horizontal	606mm	624mm	645mm	662mm
Wheelbase	1050mm	1068mm	1089mm	1106mm
Fork Offset/Rake	50mm	50mm	50mm	50mm
Fork Length, Unknown	415mm	415mm	415mm	415mm
Trail	69.7mm high	69.7mm high	69.7mm high	69.7mm high
Mechanical Trail	65.9mm	65.9mm	65.9mm	65.9mm
Wheel Flop	21.5mm	21.5mm	21.5mm	21.5mm
Tire to Pedal Spindle	84.3mm 170 mm cranks	102.2mm 170 mm cranks	123.1mm 170 mm cranks	140mm 170 mm cranks
Pedal Spindle to Ground Clearance	113mm 170 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks	113mm 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.

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2026 Sonder Santiago Apex1

Geometry