2024 Argon 18 Electron Pro RIO Base

	XS	S	M	L
Stack	460mm	499mm	514mm	529mm
Reach	396mm	412mm	425mm	439mm
Stack to Reach Ratio	1.16:1	1.21:1	1.21:1	1.21:1
Seat Tube Length, C-T	423mm	517mm	529mm	542mm
Top Tube Length, Effective/Horizontal Center	515mm	540mm	556mm	572mm
Top Tube Slope	5.7deg	-0.3deg	0.1deg	0.3deg
Head Tube Angle	72.7deg	72.7deg	72.7deg	72.7deg
Seat Tube Angle	76deg	76deg	76deg	76deg
Head Tube Length	83mm	110mm	120mm	130mm
Bottom Bracket Drop	37mm	50mm	55mm	60mm
Bottom Bracket Height	297mm	284mm	279mm	274mm
Chainstay Length	375mm	375mm	375mm	375mm
Chainstay Length Horizontal	373.2mm	371.7mm	370.9mm	370.2mm
Front-Center	575mm	599.4mm	615.5mm	633.7mm
Front-Center Horizontal	573.8mm	597.4mm	613.1mm	630.8mm
Wheelbase	947mm	969mm	984mm	1001mm
Fork Offset/Rake	43mm	43mm	43mm	43mm
Trail	59mm mid/neutral	59mm mid/neutral	59mm mid/neutral	59mm mid/neutral
Mechanical Trail	56.3mm	56.3mm	56.3mm	56.3mm
Wheel Flop	16.8mm	16.8mm	16.8mm	16.8mm
Standover Height	711mm	783mm	798mm	812mm
Tire to Pedal Spindle	71mm 170 mm cranks	95.4mm 170 mm cranks	111.5mm 170 mm cranks	129.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	127mm 170 mm cranks	114mm 170 mm cranks	109mm 170 mm cranks	104mm 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://www.argon18.com/en/bikes/track/electron-pro-rio/rio-sprint-frameset

Geometry