2017 All-City Cycles Nature Boy 853

	46cm	49cm	52cm	55cm	58cm	61cm
Stack	526mm	542mm	563mm	584mm	610mm	633mm
Reach	369mm	374mm	378mm	387mm	393mm	405mm
Stack to Reach Ratio	1.43:1	1.45:1	1.49:1	1.51:1	1.55:1	1.56:1
Seat Tube Length, C-TTT	460mm	490mm	520mm	550mm	580mm	610mm
Top Tube Length, Effective/Horizontal HT Top	520mm	535mm	550mm	565mm	585mm	605mm
Top Tube Slope	7.3deg	5.8deg	5deg	4deg	3.8deg	3.1deg
Head Tube Angle	70.5deg	71deg	71.5deg	72deg	72.5deg	72.5deg
Seat Tube Angle	74deg	73.5deg	73deg	73deg	72.5deg	72.5deg
Head Tube Length	95mm	110mm	130mm	150mm	175mm	200mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	279mm	279mm	279mm	279mm	279mm	279mm
Chainstay Length	415mm	420mm	420mm	420mm	420mm	420mm
Chainstay Length Max	415mm	420mm	420mm	420mm	420mm	420mm
Chainstay Length Horizontal	409.1mm	414.1mm	414.1mm	414.1mm	414.1mm	414.1mm
Chainstay Length Horizontal Max	409.1mm	414.1mm	414.1mm	414.1mm	414.1mm	414.1mm
Front-Center	580.9mm	587.5mm	593.6mm	604.3mm	614.1mm	634mm
Front-Center Horizontal	576.7mm	583.3mm	589.5mm	600.3mm	610.1mm	630.1mm
Wheelbase	985.7mm	997.4mm	1003.6mm	1014.4mm	1024.2mm	1044.2mm
Wheelbase Max	985.7mm	997.4mm	1003.6mm	1014.4mm	1024.2mm	1044.2mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	395mm	395mm	395mm	395mm	395mm	395mm
Trail	75.9mm high	72.6mm high	69.3mm high	66.1mm high	62.9mm mid/neutral	62.9mm mid/neutral
Mechanical Trail	71.5mm	68.6mm	65.7mm	62.9mm	60mm	60mm
Wheel Flop	23.9mm	22.3mm	20.9mm	19.4mm	18mm	18mm
Standover Height	756mm	778mm	802mm	827mm	853mm	880mm
Tire to Pedal Spindle	61.9mm 170 mm cranks	68.5mm 170 mm cranks	74.6mm 170 mm cranks	85.3mm 170 mm cranks	95.1mm 170 mm cranks	115mm 170 mm cranks
Pedal Spindle to Ground Clearance	109mm 170 mm cranks	109mm 170 mm cranks	109mm 170 mm cranks	109mm 170 mm cranks	109mm 170 mm cranks	109mm 170 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	38mm	38mm	38mm	38mm	38mm	38mm
Tire Width Max	38mm	38mm	38mm	38mm	38mm	38mm
Tire Outer Diameter	698mm	698mm	698mm	698mm	698mm	698mm
Bike Length with Tires	1683.7mm	1695.4mm	1701.6mm	1712.4mm	1722.2mm	1742.2mm

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:Bike Counterculture Geometry Database

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2017 All-City Cycles Nature Boy 853

Geometry

853 Build

Stack and Reach vs. Category Trend