2019 All-City Cycles Nature Boy A.C.E.

	46cm	49cm	52cm	55cm	58cm	61cm
Stack	536mm	549mm	566mm	589mm	610mm	629mm
Reach	376mm	378mm	382mm	386mm	393mm	412mm
Stack to Reach Ratio	1.43:1	1.45:1	1.48:1	1.53:1	1.55:1	1.53:1
Seat Tube Length, C-TTT	445mm	480mm	510mm	540mm	570mm	600mm
Top Tube Length, Effective/Horizontal HT Top	515mm	535mm	550mm	565mm	585mm	610mm
Top Tube Slope	9.9deg	7.6deg	6.2deg	5.6deg	4.7deg	3.6deg
Head Tube Angle	70deg	71deg	72deg	72deg	72.5deg	72.5deg
Seat Tube Angle	75.5deg	74deg	73.5deg	73deg	72.5deg	72.5deg
Head Tube Length	110mm	120mm	135mm	155mm	180mm	200mm
Bottom Bracket Drop	67.5mm	67.5mm	66.5mm	66.5mm	65.5mm	65.5mm
Bottom Bracket Height	278.5mm	278.5mm	279.5mm	279.5mm	280.5mm	280.5mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	419.6mm	419.6mm	419.8mm	419.8mm	419.9mm	419.9mm
Front-Center	601.2mm	597.2mm	597.9mm	607.9mm	617.6mm	642.4mm
Front-Center Horizontal	597.4mm	593.4mm	594.2mm	604.2mm	614.1mm	639.1mm
Wheelbase	1017mm	1013mm	1014mm	1024mm	1034mm	1059mm
Fork Offset/Rake	47mm	47mm	47mm	47mm	47mm	47mm
Fork Length (Axle-To-Crown)	395mm	395mm	395mm	395mm	395mm	395mm
Trail	75.9mm high	69.4mm high	63mm mid/neutral	63mm mid/neutral	59.8mm mid/neutral	59.8mm mid/neutral
Mechanical Trail	71.3mm	65.7mm	59.9mm	59.9mm	57mm	57mm
Wheel Flop	24.4mm	21.4mm	18.5mm	18.5mm	17.2mm	17.2mm
Standover Height	752mm	779mm	805mm	830mm	858mm	883mm
Tire to Pedal Spindle	90.2mm 165 mm cranks	81.2mm 170 mm cranks	79.4mm 172.5 mm cranks	86.9mm 175 mm cranks	96.6mm 175 mm cranks	121.4mm 175 mm cranks
Pedal Spindle to Ground Clearance	113.5mm 165 mm cranks	108.5mm 170 mm cranks	107mm 172.5 mm cranks	104.5mm 175 mm cranks	105.5mm 175 mm cranks	105.5mm 175 mm cranks

	46cm	49cm	52cm	55cm	58cm	61cm
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	35mm	35mm	35mm	35mm	35mm	35mm
Tire Width Max	42mm	42mm	42mm	42mm	42mm	42mm
Tire Outer Diameter	692mm	692mm	692mm	692mm	692mm	692mm
Bike Length with Tires	1709mm	1705mm	1706mm	1716mm	1726mm	1751mm
Crank Length	165mm	170mm	172.5mm	175mm	175mm	175mm
Handlebar Width	380mm	400mm	420mm	440mm	440mm	440mm
Stem Length	90mm	90mm	100mm	110mm	110mm	120mm

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.

Learn more about the Upright/Aggressive Scale

Category Trend

Cyclocross

Source:https://allcitycycles.com/bikes/nature_boy_a.c.e.

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2019 All-City Cycles Nature Boy A.C.E.

Geometry

A.C.E. Build

Stack and Reach vs. Category Trend