2025 Waltly Zondo Base

	46	47	48	49	50	51	52	54	56
Stack	523mm	532mm	544mm	553mm	564mm	574mm	583mm	597mm	616mm
Reach	365mm	367mm	372mm	374mm	378mm	380mm	384mm	387mm	393mm
Stack to Reach Ratio	1.43:1	1.45:1	1.46:1	1.48:1	1.49:1	1.51:1	1.52:1	1.54:1	1.57:1
Seat Tube Length, C-T	460mm	470mm	480mm	490mm	500mm	510mm	520mm	540mm	560mm
Top Tube Length, Effective/Horizontal Center	505mm	515mm	525mm	535mm	545mm	555mm	565mm	575mm	590mm
Top Tube Slope	9.2deg	9.1deg	9.3deg	9.2deg	9.2deg	9.2deg	9.1deg	8.4deg	8.2deg
Head Tube Angle	70.5deg	70.5deg	71deg	71deg	71.5deg	72deg	72.5deg	72.5deg	72.5deg
Seat Tube Angle	75deg	74.5deg	74.25deg	73.75deg	73.5deg	73.25deg	73deg	73deg	73deg
Head Tube Length	100mm	110mm	120mm	130mm	140mm	150mm	160mm	170mm	190mm
Bottom Bracket Drop	68mm	68mm	68mm	68mm	68mm	68mm	68mm	68mm	68mm
Bottom Bracket Height	275mm	275mm	275mm	275mm	285mm	275mm	275mm	275mm	275mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	429.7mm	429.7mm	429.7mm	429.7mm	429.7mm	429.7mm	429.7mm	429.7mm	429.7mm
Front-Center	582mm	588mm	592mm	597mm	600mm	605mm	613mm	610mm	622mm
Front-Center Horizontal	578.4mm	584.4mm	587.4mm	593.4mm	596.4mm	601.4mm	609.4mm	606.4mm	618.4mm
Wheelbase	1008mm	1014mm	1017mm	1023mm	1026mm	1031mm	1039mm	1036mm	1048mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	403mm	403mm	403mm	403mm	403mm	403mm	403mm	403mm	403mm
Trail	73.7mm high	73.7mm high	70.5mm high	70.5mm high	70.7mm high	64.1mm mid/neutral	61mm mid/neutral	61mm mid/neutral	61mm mid/neutral
Mechanical Trail	69.5mm	69.5mm	66.7mm	66.7mm	67mm	61mm	58.1mm	58.1mm	58.1mm
Wheel Flop	23.2mm	23.2mm	21.7mm	21.7mm	21.3mm	18.9mm	17.5mm	17.5mm	17.5mm
Tire to Pedal Spindle	69mm 170 mm cranks	75mm 170 mm cranks	79mm 170 mm cranks	84mm 170 mm cranks	77mm 170 mm cranks	92mm 170 mm cranks	100mm 170 mm cranks	97mm 170 mm cranks	109mm 170 mm cranks
Pedal Spindle to Ground Clearance	105mm 170 mm cranks	105mm 170 mm cranks	105mm 170 mm cranks	105mm 170 mm cranks	115mm 170 mm cranks	105mm 170 mm cranks	105mm 170 mm cranks	105mm 170 mm cranks	105mm 170 mm cranks

	46	47	48	49	50	51	52	54	56
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	32mm	32mm	32mm	42mm	32mm	32mm	32mm	32mm
Tire Width Max	42mm	42mm	42mm	42mm	42mm	42mm	42mm	42mm	—
Tire Outer Diameter	686mm	686mm	686mm	686mm	706mm	686mm	686mm	686mm	686mm
Bike Length with Tires	1694mm	1700mm	1703mm	1709mm	1732mm	1717mm	1725mm	1722mm	1734mm

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.

Learn more about the Upright/Aggressive Scale

Category Trend

All-road/Gravel

Source:https://www.waltlyti.com/product/40.html

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2025 Waltly Zondo Base

Geometry

Base Build

Stack and Reach vs. Category Trend