2020 Stiff Bicycles Gravel GR

	S	M	L	XL
Stack	570mm	585mm	607mm	621mm
Reach	365mm	370mm	373mm	384mm
Stack to Reach Ratio	1.56:1	1.58:1	1.63:1	1.62:1
Seat Tube Length, C-T	500mm	520mm	540mm	560mm
Top Tube Length, Effective/Horizontal HT Top	535mm	550mm	565mm	580mm
Top Tube Slope	10.1deg	9.5deg	9.8deg	8.9deg
Head Tube Angle	71.2deg	71.5deg	71.5deg	71.5deg
Seat Tube Angle	73.5deg	73deg	72.5deg	72.5deg
Head Tube Length	140mm	150mm	180mm	195mm
Bottom Bracket Drop	75mm	75mm	72.5mm	72.5mm
Bottom Bracket Height	276mm	276mm	278.5mm	278.5mm
Chainstay Length	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	418.3mm	418.3mm	418.8mm	418.8mm
Front-Center	593mm	601mm	611mm	626mm
Front-Center Horizontal	587.7mm	595.7mm	606.2mm	622.2mm
Wheelbase	1006mm	1014mm	1025mm	1041mm
Fork Offset/Rake	52mm	52mm	52mm	52mm
Fork Length (On-Axis)	400mm	400mm	400mm	400mm
Trail	64.6mm mid/neutral	62.6mm mid/neutral	62.6mm mid/neutral	62.6mm mid/neutral
Mechanical Trail	61.1mm	59.4mm	59.4mm	59.4mm
Wheel Flop	19.7mm	18.8mm	18.8mm	18.8mm
Tire to Pedal Spindle	72mm 170 mm cranks	80mm 170 mm cranks	90mm 170 mm cranks	105mm 170 mm cranks
Pedal Spindle to Ground Clearance	106mm 170 mm cranks	106mm 170 mm cranks	108.5mm 170 mm cranks	108.5mm 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://shop.stiffbicycles.com/produit/cadre-gravel-gr/

Geometry