2025 Allied Cycle Works Able Base

	XS/52	SM/54	MD/56	LG/58	XL/61
Stack	540mm	555mm	575mm	595mm	615mm
Reach	390mm	395mm	400mm	410mm	415mm
Stack to Reach Ratio	1.38:1	1.41:1	1.44:1	1.45:1	1.48:1
Seat Tube Length, Unknown	460mm	500mm	530mm	550mm	570mm
Top Tube Length, Effective/Horizontal Center	534mm	554mm	564mm	580mm	591mm
Top Tube Slope	10.6deg	8deg	6.8deg	6.7deg	6.7deg
Head Tube Angle	70.5deg	70.5deg	70.5deg	70.5deg	70.5deg
Seat Tube Angle	75deg	74deg	74deg	74deg	74deg
Head Tube Length	97mm	113mm	135mm	156mm	177mm
Bottom Bracket Drop	80mm	80mm	80mm	80mm	80mm
Bottom Bracket Height	276mm	276mm	276mm	276mm	276mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	427.6mm	427.6mm	427.6mm	427.6mm	427.6mm
Front-Center	611mm	622mm	633mm	651mm	663mm
Front-Center Horizontal	611.4mm	621.4mm	633.4mm	650.4mm	662.4mm
Wheelbase	1039mm	1049mm	1061mm	1078mm	1090mm
Fork Offset/Rake	55mm	55mm	55mm	55mm	55mm
Fork Length (On-Axis)	410mm	410mm	410mm	410mm	410mm
Trail	67.7mm high	67.7mm high	67.7mm high	67.7mm high	67.7mm high
Mechanical Trail	63.8mm	63.8mm	63.8mm	63.8mm	63.8mm
Wheel Flop	21.3mm	21.3mm	21.3mm	21.3mm	21.3mm
Standover Height	752mm	787mm	812mm	832mm	852mm
Tire to Pedal Spindle	85mm 170 mm cranks	96mm 170 mm cranks	107mm 170 mm cranks	125mm 170 mm cranks	137mm 170 mm cranks
Pedal Spindle to Ground Clearance	106mm 170 mm cranks	106mm 170 mm cranks	106mm 170 mm cranks	106mm 170 mm cranks	106mm 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://alliedcycleworks.com/collections/able

Geometry