Nature Boy A.C.E.
Single-Speed Cyclocross Slayer
Built from our proprietary A.C.E. steel tubing just like its geared sibling the Macho King A.C.E., the Nature Boy A.C.E. is lighter, faster, and stiffer than any other single-speed steel steed out there. For speed and agility from start to finish, look no further.
The Extra Gears Gotta Come From You
Hungry for all the mud, sand, and chewed-up grass the cross course can dish up, the Nature Boy A.C.E. is ready to tear through tight turns and quick up-and-downs as you push the limits of your body and your bike all the way to the finish line.
Performance
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A.C.E. Tubing
Painstakingly crafted from our proprietary heat-treated, air-hardened, and custom-extruded A.C.E. steel tubing, there’s nothing else like it on Earth. Learn more about A.C.E. Tubing
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Ovalized Top Tube
Quickly and comfortably shoulder your bike while you power past any obstacle thanks to the ovalized top tube.
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Tire Clearance
Boasting clearance for 700c x 42mm tires for bomb-proof durability and performance.
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Columbus Futura Cross Carbon Fork
Designed for stability on uneven and slippery surfaces, this gorgeous carbon fork with adjustable rake accommodates 12mm thru-axles and flat-mount disc brakes.
Signature Details
Our mission is to bring beauty back to production bicycles. This means investing in custom touches that elevate the whole. We devote time and resources to signature details that turn heads and signify high-quality craftsmanship. These elements tell a cohesive visual story and form a distinct silhouette so that even if your unique bike were stripped down to bare metal, it would still be instantly identifiable as an All-City bicycle. Learn more
Signature Seat Collar
Train your eyes on that timeless and tasteful brazed-on seat collar, elegantly designed around the All-City logo.
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Custom Dropouts
All-City’s signature engraved logo shines with classic style.
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Reinforced Bottle Bosses
Beautiful stars reinforce the bottle bosses and our obsessive attention to detail.
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Liquid Paint and E.D. Coat
Our topnotch wet paint finish sparkles with depth and luster, while an E.D. coating protects against rust. Learn more about our paint
Accolades
“On a bike it’s so much easier to make new friends. #allcitycycles #allcitynatureboy”
“Battled through the hangover to take 3rd today. Spent most of the race making tactically questionable attacks as usual. Back on the single speed and it felt gooooood! #allcitynatureboy”
FIND A RETAILER
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COMPLETE MSRP $1,999 | FRAMESET MSRP $1,299
Nature Boy A.C.E. - Buy Online
We cannot confirm inventory in your vicinity. Please reach out to one of the listed retailers in your area for more information on this model or consider expanding your search area.
Bike Shop to Home Delivery
Because we want to make it easier to support your local All-City retailer during this unusual time, participating dealers can now ship All-City bikes and frames directly to your door. Find your local All-City dealer using our Dealer Locator. After that, all you've gotta do is head over to their website or call 'em up on the phone to place your order, and your bike or frame will be delivered to you.
SPECS & GEO
- Fork + Columbus Futura Cross
- Headset + Cane Creek 40 Series
- Stem + Whisky No. 7
- Handlebar + Whisky No. 7
- Grips + All-City Super-Cush w/ Locking Alloy All-City End Plugs
- Shifter/Brake Lever + TRP RRL Black
- Front Derailleur + N/A
- Rear Derailleur + N/A
- Brakeset + TRP Spyre Flat Mount, 160/140 TRP rotors
- Crankset + SRAM APEX 40t XSYNC
- Bottom Bracket + PF30 Eccentric - SRAM and Shimano Spacer kit
- Seatpost + Whisky No. 7
- Saddle + All-City Gonzo
- Cassette + 18t Singles Speed cog w/ Spacer Kit
- Chain + KMC X11 EPT Anit-Rust
- Hubs + All-City Go-Devil 28h
- Rims + WTB ST Light i23 28h
- Spokes + WTB 14/15 black, Black Brass nipples
- Tires + WBT Cross Boss 700 x 35c TAN Sidewall DNA Compound, Lightweight Tubeless Casing, UST Aramid Bead
- Brake Housing + Jagwire SLICK black
- Shift Housing + N/A
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Size | 46cm | 49cm | 52cm | 55cm | 58cm | 61cm |
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Head Tube Angle | 70 | 71 | 72 | 72 | 72.5 | 72.5 |
Seat Tube Angle) | 75.5 | 74 | 73.5 | 73 | 72.5 | 72.5 |
Top Tube Length) | 515 | 535 | 550 | 565 | 585 | 610 |
Seat Tube Length | 445 | 480 | 510 | 540 | 570 | 600 |
Chainstay Length | 425 | 425 | 425 | 425 | 425 | 425 |
Bottom Bracket Drop | 67.5 | 67.5 | 66.5 | 66.5 | 65.5 | 65.5 |
Fork Offset | 47 | 47 | 47 | 47 | 47 | 47 |
Total Fork Length | 395 | 395 | 395 | 395 | 395 | 395 |
Head Tube Length | 110 | 120 | 135 | 155 | 180 | 200 |
Standover | 752 | 779 | 805 | 830 | 858 | 883 |
Wheelbase | 1017 | 1013 | 1014 | 1024 | 1034 | 1059 |
Stack | 536 | 549 | 566 | 589 | 610 | 629 |
Reach | 376 | 378 | 382 | 386 | 393 | 412 |
Handlebar Width | 380 | 400 | 420 | 440 | 440 | 440 |
Stem Length | 90 | 90 | 100 | 110 | 110 | 120 |
Crank Arm Length | 165 | 170 | 172.5 | 175 | 175 | 175 |
- Frame Material + All-City A.C.E. Air-Hardened, Custom, Extruded steel
- Rear Hub Spacing (OLD) + 142 x 12mm; thru-axle
- Thru Axle Size + Ø12 x 167mm , TP=1.5, TL=12
- Brake Mount Type + Flat Mount; 30mm mounting barrles
- Rotor Size(s) + 140mm to 160mm
- Headtube Upper (SHIZ) + EC34
- Headtube Lower (SHIZ) + EC44
- Seatpost Diameter + 27.2mm
- Seat Collar + All-City Signature Brazed-On
- Max Tire Size + 700x42
- Tire Size Range + 700x30 to 42, optimized for 700x33
- Front Derailleur Mount + 28.6 Band Clamp
- Crankset (Max Ring) + 1x: 50t max
- Bottom Bracket + PF30
- Derailleur Hanger + QBP Derailleur Hanger 687 black (FS2339)
- Bottle Mounts + Two inside frame, all sizes
- Extras + Custom tapered headtube with external headset, E.D. coated for durability and rust prevention
- Fork Material + Carbon with carbon steerer
- Front Hub Spacing (OLD) + 100 x 12mm; thru-axle
- Thru Axle Size + M12 x 132L, TP = 1.5, TL = 12
- Brake Mount Type + Flat Mount
- Rotor Sizes + 140mm to 160mm
- Stem Clamp (SHIZ) + Ø28.6mm
- Crown Race (SHIZ) + Ø40mm
- Axle to Crown + 395mm
- Fork Offset + 47mm or 52mm
- Max Tire Size + 700x42
- Tire Size Range + 700x30 to 42, optimized for 700x33
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