2020 BC Original Flint Base

	S	M	L	XL
Stack	570mm	580mm	595mm	608mm
Reach	365mm	382mm	404mm	430mm
Stack to Reach Ratio	1.56:1	1.52:1	1.47:1	1.41:1
Seat Tube Length, C-C	475mm	485mm	495mm	510mm
Top Tube Length, Effective/Horizontal Center	540mm	560mm	585mm	615mm
Head Tube Angle	70deg	70deg	70deg	70deg
Seat Tube Angle	73deg	73deg	73deg	73deg
Head Tube Length	150mm	160mm	175mm	190mm
Bottom Bracket Drop	55mm	55mm	55mm	55mm
Bottom Bracket Height	301mm	301mm	301mm	301mm
Chainstay Length	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	421.4mm	421.4mm	421.4mm	421.4mm
Front-Center	603.1mm	625mm	650.9mm	680.8mm
Front-Center Horizontal	600.6mm	622.6mm	648.6mm	678.6mm
Wheelbase	1022mm	1044mm	1070mm	1100mm
Fork Offset/Rake	48mm	48mm	48mm	48mm
Fork Length (Axle-To-Crown)	395mm	395mm	395mm	395mm
Trail	78.5mm high	78.5mm high	78.5mm high	78.5mm high
Mechanical Trail	73.8mm	73.8mm	73.8mm	73.8mm
Wheel Flop	25.2mm	25.2mm	25.2mm	25.2mm
Tire to Pedal Spindle	77.1mm 170 mm cranks	99mm 170 mm cranks	124.9mm 170 mm cranks	154.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	131mm 170 mm cranks	131mm 170 mm cranks	131mm 170 mm cranks	131mm 170 mm cranks

Published Sizing Recommendations

Height

160 cm

170 cm

165 cm

180 cm

175 cm

190 cm

185 cm

200 cm

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.bike-components.de/en/bc-original/Flint-28-Gravel-Frameset-p79422/