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The Nature Boy is our single speed cross racing monster and carries all of the AC hallmarks that you've come to love: beautiful lugged crown fork, classic paint, custom dropouts, and signature headbadge.  It was designed primarily as a race rig, but since we knew that many of you out there would be using this thing for every day life, we built in additional features to make it more versatile. 

You’ll find hidden fender mounts, two sets of bottle bosses (reinforced of course), removeable canti studs, fat tire clearance, and a steel fork that is easily swapped for a carbon model should you want to lighten up for race season. 

Race the crap out of it, ride singletrack, gravel, or commute until your heart’s content. 

Features

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Build Specs

Frame | All-City Nature Boy

612 Select ChroMoly steel. Double butted down, top, and seat tubes. Externally tapered, ovalized, and dimpled chain stays, tapered seat stays.

1 1/8th headtube, 130mm rear spacing, English bottom bracket, 27.2 seat post

Fork | All-City Nature Boy
612 Select ChroMoly double butted tapered fork blades, lugged crown and matching dropout

Headset | Cane Creek 10 Series
Black, 6061 T6 aluminum

Stem | Salsa Pro Moto 3
Black, four bolt, 1 1/8th threadless, 31.8 clamp

Handlebar | Salsa Cowbell 3
Black,  flared shallow round drop

Tape | Velo
Black cork

Brake Lever | Tektro RL340
Black, aero

Brake | Tektro CR720
Black, cantilever, wide Euro style

Crankset | FSA Vero
Black, alloy, forged, 42 tooth ring

Bottom Bracket | TH Industries
Steel cups, sealed bearing, 68X110mm

Seatpost | Kalloy SP-373
Black, alloy, single bolt, 27.2mm

Saddle | All-City Gonzo
Black, comfy, racy

Freewheel | 17 tooth
Black, 3/32"

Chain | KMC Z610HX
Silver, 3/32"

Hubs | All-City Standard
Black, 130mm rear, Fixed/Free, 32 hole

Rims | Alex XC23
Black, 32 hole, 23mm wide

Tires | Kenda Small Block Eight
700X35c Steel bead

Tubes | Cheng Shin
700X28 Presta Valve 

Geometry pt 2

Geometry
Size46 cm49 cm52 cm55 cm58 cm61 cm
(A) Head Tube Angle 70.5° 71° 71.5° 72° 72.5° 72.5°
(B) Seat Tube Angle 74° 73.5° 73° 73° 72.5° 72.5°
(C) Top Tube Length 520 mm 535 mm 550 mm 565 mm 585 mm 605 mm
(D) Seat Tube Length 485.6 mm 515.5 mm 545.4 mm 575.4 mm 605.3 mm 635.3 mm
(E) Chainstay Length 415 mm 420 mm 420 mm 420 mm 420 mm 420 mm
(F) Bottom Bracket Drop 70 mm 70 mm 70 mm 70 mm 70 mm 70 mm
(G) Fork Offset 45 mm 45 mm 45 mm 45 mm 45 mm 45 mm
(H) Total Fork Length 395 mm 395 mm 395 mm 395 mm 395 mm 395 mm
(I) Head Tube Length 95 mm 110 mm 130 mm 150 mm 175 mm 200 mm
(J) Wheelbase 985.7 mm 997.4 mm 1003.6 mm 1014.4 mm 1024.2 mm 1044.2 mm
Standover 756 mm 778 mm 802 mm 827 mm 853 mm 880 mm
Stack 526.2 mm 542.2 mm 563.0 mm 583.9 mm 609.6mm 633.4mm
Reach 369.1 mm 374.4 mm 377.9 mm 386.5 mm 392.8 mm 405.3 mm
Handlebar Width 40cm 40cm 42cm 42cm 44cm 44cm
Crankarm Length 170 mm 170 mm 175 mm 175 mm 175 mm 175 mm

Part Numbers

Part Number Size Color Description
FM4754 46cm Purple Rain Nature Boy Frameset 46cm
FM4755 49cm Purple Rain Nature Boy Frameset 49cm
FM4756 52cm Purple Rain Nature Boy Frameset 52cm
FM4757 55cm Purple Rain Nature Boy Frameset 55cm
FM4758 58cm Purple Rain Nature Boy Frameset 58cm
FM4759 61cm Purple Rain Nature Boy Frameset 61cm
BK4754 46cm Purple Rain Nature Boy Complete 46cm
BK4755 49cm Purple Rain Nature Boy Complete 49cm
BK4756 52cm Purple Rain Nature Boy Complete 52cm
BK4757 55cm Purple Rain Nature Boy Complete 55cm
BK4758 58cm Purple Rain Nature Boy Complete 58cm
BK4759 61cm Purple Rain Nature Boy Complete 61cm

Introducing the Pursuit Special

July 21, 2014 | Anna

0 Comments

We’ve been working intensely on cross product and the JYD lately, so I was beyond stoked when All-City Global Product Manager Amy “The Hammer” Kippley gave me a track chainring to design. Images of track bags full of All-City chainrings danced in my head.

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