2021 VYNL Bikes Gravel Disc Base

	51	53	55	57	59
Stack	551mm	558mm	575mm	590mm	604mm
Reach	355mm	378mm	383mm	399mm	404mm
Stack to Reach Ratio	1.55:1	1.48:1	1.5:1	1.48:1	1.5:1
Seat Tube Length, C-T	520mm	520mm	540mm	560mm	570mm
Top Tube Length, Effective/Horizontal HT Top	520mm	540mm	560mm	580mm	595mm
Top Tube Slope	6deg	6.5deg	6.2deg	5.5deg	6deg
Head Tube Angle	70.3deg	70.5deg	71.5deg	72deg	72.3deg
Seat Tube Angle	73.5deg	73.5deg	73deg	73deg	72.5deg
Head Tube Length	123mm	130mm	142mm	156mm	170mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	286mm	286mm	286mm	286mm	286mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	424.3mm	424.3mm	424.3mm	424.3mm	424.3mm
Front-Center	584.5mm	607.9mm	605.6mm	621.3mm	627.7mm
Front-Center Horizontal	580.3mm	603.9mm	601.5mm	617.4mm	623.8mm
Wheelbase	1004.6mm	1028.1mm	1025.8mm	1041.6mm	1048mm
Fork Offset/Rake	50mm	50mm	47mm	47mm	47mm
Trail	74.4mm high	73mm high	69.6mm high	66.3mm high	64.3mm mid/neutral
Mechanical Trail	70mm	68.8mm	66mm	63mm	61.2mm
Wheel Flop	23.6mm	23mm	20.9mm	19.5mm	18.6mm
Tire to Pedal Spindle	58.5mm 170 mm cranks	81.9mm 170 mm cranks	79.6mm 170 mm cranks	95.3mm 170 mm cranks	101.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	116mm 170 mm cranks	116mm 170 mm cranks	116mm 170 mm cranks	116mm 170 mm cranks	116mm 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/gravel-disc/

Geometry