The disc brake version of All-City's iconic Nature Boy singlespeed cross frameset. Like its cantilever brethren, the Nature Boy Disc carries all of the AC hallmarks that you've come to expect: beautiful lugged fork crown, custom dropouts, custom BB shell, signature head badge, and an E.D. coating for rust protection. It has proven race-inspired geometry in a durable 612 chromoly steel frame with chromoly tapered fork, and since you'll want to ride this cross bike every day, it's got plenty of room to fit large tires and even fenders. For racing, cruising trails, gravel, or daily commuting, disc brakes and a single-speed setup provide unmatched control and reliability.
Sizes 43/46/49cm accept 650B wheels
All other sizes accept 700c
Contact us for parts packages
WARNING: Cycling can be dangerous. Bicycles and bicycle products should be assembled and serviced by a professional mechanic. Never modify your bicycle or accessories. Read and follow all product instructions and warnings including information on the manufacturer’s website. Inspect your bicycle before every use. Always wear a helmet.
|Frame||612 Select ChroMoly steel. Double butted down, top, and seat tubes. Externally tapered, ovalized, and dimpled chain stays, tapered seat stays, 135mm horizontal dropoutsDisc brake compatibility only: 160mm max rotorTire clearance: 43/46/49cm accepts 650B up to 42mm52-61cm accepts 700c up to 38mm35mm maximum width with fenders on all sizes|
|Fork||4130 ChroMoly tapered fork blades, lugged crown and matching dropout. Straight steerer tube|
|Headset||1-1/8" threadless, EC34 upper & lower, Crown race 30.0|
|Axles||Rear: 135mm rear spacing|
|Bottom Bracket||68mm English|
|Accessories & Extras||Fender mounts, ED coated, Hennepin Bridge dropouts with built-in chain tensioner|
* Subject to change without notice.
|Green/White / 46cm||708752172586||FM8401||64306|
|Green/White / 49cm||708752172579||FM8402||64307|
|Green/White / 52cm||708752172562||FM8403|
|Green/White / 55cm||708752172555||FM8404|
|Green/White / 58cm||708752172548||FM8405|
|Green/White / 61cm||708752172531||FM8406|
|Green/White / 43cm||708752172593||FM8400||64305|