2019 All-City Cycles Nature Boy Disc

	43cm (650b)	46cm (650b)	49cm (650b)	52cm	55cm	58cm	61cm
Stack	495.4mm	520.8mm	544.5mm	563mm	583.9mm	609.6mm	633.4mm
Reach	359.8mm	366.7mm	372.3mm	377.9mm	386.5mm	392.8mm	405.3mm
Stack to Reach Ratio	1.38:1	1.42:1	1.46:1	1.49:1	1.51:1	1.55:1	1.56:1
Seat Tube Length, C-TTT	410mm	450mm	490mm	520mm	550mm	580mm	610mm
Top Tube Length, Effective/Horizontal HT Top	495mm	520mm	535mm	550mm	565mm	585mm	605mm
Top Tube Slope	9.6deg	8deg	6.1deg	5deg	4deg	3.7deg	3.1deg
Head Tube Angle	70.75deg	71.25deg	71.25deg	71.5deg	72deg	72.5deg	72.5deg
Seat Tube Angle	75deg	73.75deg	73.5deg	73deg	73deg	72.5deg	72.5deg
Head Tube Length	100mm	125mm	150mm	130mm	150mm	175mm	200mm
Bottom Bracket Drop	52mm	52mm	52mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	281mm	281mm	281mm	274mm	274mm	274mm	274mm
Chainstay Length	392mm	392mm	392mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	388.5mm	388.5mm	388.5mm	429.3mm	429.3mm	429.3mm	429.3mm
Front-Center	566.8mm	577.8mm	591.5mm	593.8mm	604.7mm	613.7mm	633.6mm
Front-Center Horizontal	564.4mm	575.5mm	589.2mm	589.7mm	600.7mm	609.7mm	629.7mm
Wheelbase	952.9mm	964mm	977.7mm	1019mm	1030mm	1039mm	1059mm
Fork Offset/Rake	47mm	47mm	47mm	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	376mm	376mm	376mm	395mm	395mm	395mm	395mm
Trail	66.5mm high	63.4mm mid/neutral	63.4mm mid/neutral	67.7mm high	64.5mm mid/neutral	61.3mm mid/neutral	61.3mm mid/neutral
Mechanical Trail	62.8mm	60mm	60mm	64.2mm	61.3mm	58.4mm	58.4mm
Wheel Flop	20.7mm	19.3mm	19.3mm	20.4mm	18.9mm	17.6mm	17.6mm
Standover Height	703.8mm	737.7mm	771mm	802mm	827mm	853mm	880mm
Tire to Pedal Spindle	68.8mm 165 mm cranks	79.8mm 165 mm cranks	88.5mm 170 mm cranks	74.8mm 175 mm cranks	85.7mm 175 mm cranks	94.7mm 175 mm cranks	114.6mm 175 mm cranks
Pedal Spindle to Ground Clearance	116mm 165 mm cranks	116mm 165 mm cranks	111mm 170 mm cranks	99mm 175 mm cranks	99mm 175 mm cranks	99mm 175 mm cranks	99mm 175 mm cranks

	43cm (650b)	46cm (650b)	49cm (650b)	52cm	55cm	58cm	61cm
Wheel Size	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 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	41mm	41mm	41mm	33mm	33mm	33mm	33mm
Tire Width Max	40mm	40mm	40mm	38mm	38mm	38mm	38mm
Tire Outer Diameter	666mm	666mm	666mm	688mm	688mm	688mm	688mm
Bike Length with Tires	1618.9mm	1630mm	1643.7mm	1707mm	1718mm	1727mm	1747mm
Crank Length	165mm	165mm	170mm	175mm	175mm	175mm	175mm
Handlebar Width	38cm	38cm	40cm	42cm	42cm	44cm	44cm
Stem Length	70mm	80mm	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

Suggest Bike Edit

2019 All-City Cycles Nature Boy Disc

Geometry

Disc Build

Stack and Reach vs. Category Trend