2021 Wilier Triestina Jena Base

	XS	S	M	L	XL
Stack	531mm	556mm	582mm	608mm	633mm
Reach	363mm	372mm	382mm	391mm	401mm
Stack to Reach Ratio	1.46:1	1.49:1	1.52:1	1.55:1	1.58:1
Seat Tube Length, C-T	440mm	470mm	500mm	530mm	570mm
Seat Tube Length, C-C	380mm	410mm	440mm	470mm	510mm
Top Tube Length, Effective/Horizontal HT Top	508mm	531mm	554mm	577mm	600mm
Top Tube Slope	12.5deg	11.7deg	11.1deg	10.5deg	8.9deg
Head Tube Angle	70deg	70.5deg	71deg	71.5deg	72deg
Seat Tube Angle	75deg	74.3deg	73.7deg	73.1deg	72.6deg
Head Tube Length	100mm	125mm	150mm	175mm	200mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	279mm	279mm	279mm	279mm	279mm
Chainstay Length	423mm	423mm	423mm	423mm	423mm
Chainstay Length Horizontal	417.2mm	417.2mm	417.2mm	417.2mm	417.2mm
Front-Center	582.9mm	596mm	609.9mm	622.4mm	635.1mm
Front-Center Horizontal	578.7mm	591.8mm	605.9mm	618.5mm	631.3mm
Wheelbase	995.9mm	1009mm	1023.1mm	1035.6mm	1048.4mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Trail	79.1mm high	75.9mm high	72.6mm high	69.3mm high	66.1mm high
Mechanical Trail	74.4mm	71.5mm	68.6mm	65.7mm	62.9mm
Wheel Flop	25.4mm	23.9mm	22.3mm	20.9mm	19.4mm
Tire to Pedal Spindle	63.9mm 170 mm cranks	77mm 170 mm cranks	90.9mm 170 mm cranks	103.4mm 170 mm cranks	116.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	109mm 170 mm cranks	109mm 170 mm cranks	109mm 170 mm cranks	109mm 170 mm cranks	109mm 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://wilier.com/en/my2021/int/endurance-bikes/gravel-bikes/jena

Geometry