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

Category
Cyclocross
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Carbon/Composite
Features
Disc brake, Single-speed capable
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Average stack and reachvs category

Geometry

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

A.C.E. Build

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

Stack and Reach vs. Category Trend

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.