	2XS	XS	S	M	L	XL	2XL
Stack	549mm	561mm	577mm	596mm	615mm	634mm	653mm
Reach	372mm	384mm	394mm	409mm	423mm	437mm	452mm
Stack to Reach Ratio	1.48:1	1.46:1	1.46:1	1.46:1	1.45:1	1.45:1	1.44:1
Seat Tube Length, C-TTT	460mm	490mm	520mm	540mm	560mm	580mm	600mm
Top Tube Length, Effective/Horizontal Center	535mm	550mm	565mm	585mm	605mm	625mm	645mm
Top Tube Slope	9.9deg	7.8deg	6.2deg	5.9deg	5.7deg	5.5deg	5.3deg
Head Tube Angle	70.5deg	70.5deg	70.5deg	71deg	71deg	71deg	71deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	120mm	135mm	150mm	170mm	190mm	210mm	230mm
Bottom Bracket Drop	75mm	75mm	75mm	75mm	75mm	75mm	75mm
Bottom Bracket Height	271mm	271mm	271mm	271mm	271mm	271mm	271mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	428.5mm	428.5mm	428.5mm	428.5mm	428.5mm	428.5mm	428.5mm
Front-Center	593mm	682mm	640mm	624mm	609mm	661mm	703mm
Front-Center Horizontal	583.5mm	593.5mm	604.5mm	625.5mm	646.5mm	666.5mm	687.5mm
Wheelbase	1012mm	1022mm	1033mm	1054mm	1075mm	1095mm	1116mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm	50mm	50mm
Fork Length (Axle-To-Crown)	403mm	403mm	403mm	403mm	403mm	403mm	403mm
Trail	69.5mm high	69.5mm high	69.5mm high	66.3mm high	66.3mm high	66.3mm high	66.3mm high
Mechanical Trail	65.5mm	65.5mm	65.5mm	62.7mm	62.7mm	62.7mm	62.7mm
Wheel Flop	21.9mm	21.9mm	21.9mm	20.4mm	20.4mm	20.4mm	20.4mm
Tire to Pedal Spindle	77mm 170 mm cranks	166mm 170 mm cranks	124mm 170 mm cranks	108mm 170 mm cranks	93mm 170 mm cranks	145mm 170 mm cranks	187mm 170 mm cranks
Pedal Spindle to Ground Clearance	101mm 170 mm cranks	101mm 170 mm cranks	101mm 170 mm cranks	101mm 170 mm cranks	101mm 170 mm cranks	101mm 170 mm cranks	101mm 170 mm cranks

	2XS	XS	S	M	L	XL	2XL
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
Tire Width	35mm	35mm	35mm	35mm	35mm	35mm	35mm
Tire Outer Diameter	692mm	692mm	692mm	692mm	692mm	692mm	692mm
Bike Length with Tires	1704mm	1714mm	1725mm	1746mm	1767mm	1787mm	1808mm

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:www.waltlyti.com

Suggest Bike Edit

2026 Waltly Gravel Smooth Type B

Geometry

Type B Build

Stack and Reach vs. Category Trend