2021 VYNL Bikes Road Rim Base

	51	53	55	57	59
Stack	540mm	550mm	563mm	576mm	596mm
Reach	370mm	382mm	394mm	410mm	413mm
Stack to Reach Ratio	1.46:1	1.44:1	1.43:1	1.4:1	1.44:1
Seat Tube Length, C-T	485mm	520mm	540mm	560mm	580mm
Top Tube Length, Effective/Horizontal HT Top	520mm	540mm	560mm	580mm	595mm
Top Tube Slope	8.3deg	5.5deg	4.7deg	3.9deg	4.1deg
Head Tube Angle	72deg	73deg	73deg	73.5deg	74deg
Seat Tube Angle	74.5deg	74deg	73.5deg	73.5deg	73deg
Head Tube Length	128mm	135mm	148mm	160mm	180mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	273mm	273mm	273mm	273mm	273mm
Chainstay Length	405mm	405mm	405mm	405mm	405mm
Chainstay Length Horizontal	398.9mm	398.9mm	398.9mm	398.9mm	398.9mm
Front-Center	572.2mm	578mm	593.8mm	608.8mm	612.6mm
Front-Center Horizontal	567.9mm	573.7mm	589.7mm	604.7mm	608.6mm
Wheelbase	966.8mm	972.6mm	988.6mm	1003.6mm	1007.5mm
Fork Offset/Rake	43mm	43mm	43mm	43mm	43mm
Trail	66.2mm high	59.9mm mid/neutral	59.9mm mid/neutral	56.8mm mid/neutral	53.6mm mid/neutral
Mechanical Trail	63mm	57.3mm	57.3mm	54.4mm	51.5mm
Wheel Flop	19.5mm	16.8mm	16.8mm	15.5mm	14.2mm
Tire to Pedal Spindle	59.2mm 170 mm cranks	65mm 170 mm cranks	80.8mm 170 mm cranks	95.8mm 170 mm cranks	99.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	103mm 170 mm cranks	103mm 170 mm cranks	103mm 170 mm cranks	103mm 170 mm cranks	103mm 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.vynlbikes.com/models/road-rim/

Geometry