2020 Allied Cycle Works Able Base

	XS	SM	M	L	XL
Stack	533mm	559mm	575mm	597mm	615mm
Reach	376mm	382mm	387mm	396mm	405mm
Stack to Reach Ratio	1.42:1	1.46:1	1.49:1	1.51:1	1.52:1
Seat Tube Length, C-T	470mm	520mm	540mm	560mm	580mm
Top Tube Length, Effective/Horizontal Unknown	531mm	544mm	553mm	576mm	591mm
Top Tube Slope	9.1deg	6.4deg	6deg	6.2deg	6deg
Head Tube Angle	70deg	71deg	71deg	71deg	71deg
Seat Tube Angle	74deg	74deg	74deg	73.25deg	73.25deg
Head Tube Length	120mm	143mm	160mm	180mm	200mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	284mm	284mm	284mm	284mm	284mm
Chainstay Length	420mm	420mm	420mm	420mm	420mm
Chainstay Length Horizontal	414.1mm	414.1mm	414.1mm	414.1mm	414.1mm
Front-Center	599mm	605mm	615mm	631mm	641mm
Front-Center Horizontal	594.9mm	600.9mm	611mm	627.1mm	637.2mm
Wheelbase	1009mm	1015.1mm	1025.1mm	1041.2mm	1051.3mm
Fork Offset/Rake	47.3mm	47.8mm	47.4mm	46.9mm	42.1mm
Trail	78.5mm high	71.3mm high	71.8mm high	72.3mm high	77.4mm high
Mechanical Trail	73.7mm	67.5mm	67.9mm	68.3mm	73.2mm
Wheel Flop	25.2mm	22mm	22.1mm	22.2mm	23.8mm
Tire to Pedal Spindle	75mm 170 mm cranks	78.5mm 172.5 mm cranks	88.5mm 172.5 mm cranks	102mm 175 mm cranks	112mm 175 mm cranks
Pedal Spindle to Ground Clearance	114mm 170 mm cranks	111.5mm 172.5 mm cranks	111.5mm 172.5 mm cranks	109mm 175 mm cranks	109mm 175 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://alliedcycleworks.com/pages/allied-able#geo

Geometry