2020 Brother Cycles All Day Base

	52cm	54cm	56cm	58cm	60cm
Stack	518mm	536mm	554mm	573mm	592mm
Reach	385mm	390mm	396mm	400mm	409mm
Stack to Reach Ratio	1.35:1	1.37:1	1.4:1	1.43:1	1.45:1
Seat Tube Length, C-C	505mm	525mm	545mm	565mm	585mm
Top Tube Slope	530deg	545deg	560deg	570deg	585deg
Head Tube Angle	72deg	72.5deg	73deg	73deg	73deg
Seat Tube Angle	74.5deg	74deg	73.5deg	73.5deg	73.5deg
Head Tube Length	111mm	128mm	145mm	165mm	185mm
Bottom Bracket Drop	60mm	60mm	60mm	60mm	60mm
Bottom Bracket Height	286mm	286mm	286mm	286mm	286mm
Chainstay Length	400mm	400mm	400mm	400mm	400mm
Chainstay Length Horizontal	395.5mm	395.5mm	395.5mm	395.5mm	395.5mm
Front-Center	583.6mm	590.6mm	596.6mm	606.5mm	621.4mm
Front-Center Horizontal	580.5mm	587.5mm	593.5mm	603.5mm	618.5mm
Wheelbase	976mm	983mm	989mm	999mm	1014mm
Fork Offset/Rake	40mm	40mm	40mm	40mm	40mm
Fork Length (Axle-To-Crown)	373mm	373mm	373mm	373mm	373mm
Trail	70.4mm high	67.2mm high	64mm mid/neutral	64mm mid/neutral	64mm mid/neutral
Mechanical Trail	66.9mm	64mm	61.2mm	61.2mm	61.2mm
Wheel Flop	20.7mm	19.3mm	17.9mm	17.9mm	17.9mm
Tire to Pedal Spindle	67.6mm 170 mm cranks	74.6mm 170 mm cranks	80.6mm 170 mm cranks	90.5mm 170 mm cranks	105.4mm 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.brothercycles.com/shop/frames/the-allday/

Geometry