2025 Wilier Triestina Adlar Base

	XS	S	M	L	XL
Stack	538mm	562mm	586mm	610mm	634mm
Reach	395mm	404mm	413mm	422mm	431mm
Stack to Reach Ratio	1.36:1	1.39:1	1.42:1	1.45:1	1.47:1
Seat Tube Length, C-T	440mm	470mm	500mm	530mm	570mm
Seat Tube Length, Unknown	380mm	410mm	440mm	470mm	510mm
Top Tube Length, Effective/Horizontal Center	542mm	562mm	583mm	599mm	621mm
Top Tube Slope	12.5deg	11.6deg	10.8deg	10deg	8.4deg
Head Tube Angle	70deg	70deg	70deg	70deg	70deg
Seat Tube Angle	75deg	74.5deg	74deg	74deg	73.5deg
Head Tube Length	79mm	104mm	130mm	155mm	181mm
Bottom Bracket Drop	76mm	76mm	76mm	76mm	76mm
Bottom Bracket Height	282mm	282mm	282mm	282mm	282mm
Chainstay Length	423mm	423mm	423mm	423mm	423mm
Chainstay Length Horizontal	416.1mm	416.1mm	416.1mm	416.1mm	416.1mm
Front-Center	618.6mm	636.4mm	653.3mm	671.2mm	689.1mm
Front-Center Horizontal	613.9mm	631.9mm	648.9mm	666.9mm	684.9mm
Wheelbase	1030mm	1048mm	1065mm	1083mm	1101mm
Fork Offset/Rake	47.7mm	47.9mm	47.2mm	47.5mm	47.7mm
Trail	79.6mm high	79.3mm high	80mm very high	79.8mm high	79.5mm high
Mechanical Trail	74.8mm	74.5mm	75.2mm	75mm	74.7mm
Wheel Flop	25.6mm	25.5mm	25.7mm	25.6mm	25.6mm
Tire to Pedal Spindle	90.6mm 170 mm cranks	108.4mm 170 mm cranks	125.3mm 170 mm cranks	143.2mm 170 mm cranks	161.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	112mm 170 mm cranks	112mm 170 mm cranks	112mm 170 mm cranks	112mm 170 mm cranks	112mm 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://granfondo-cycling.com/wilier-adlar-review/

Geometry