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.
Even if you own a different bike for everything, it's still necessary to have one that can do it all. That bike is the Space Horse. It's become a cult favorite because of its classic styling and ability to handle just about any task or terrain. All-City's Space Horse Disc frameset allows you to build your perfect bike with the addition of all-weather control disc brakes. The geometry is a mix of traditional road and randonneur, with a relatively short rear end and a bottom bracket that’s slightly lower than a standard road bike. This gives it both agile handling for riding unbridled and increased stability when loaded. This blend of geometry and 612 Select tubing create a bike that is capable of quick road centuries, gravel racing, commuting, and of course loaded touring. The frame accommodates front and rear racks, fenders, and tires up to 42c in size for the 700c bikes and 45c for the 650B version. It also utilizes a dropout with a replaceable derailleur hanger. All of the classic All-City touches are present: signature brazed-on seat collar, pantographed bottom bracket shell, pump peg, reinforcements on the bottle bosses, and a beautiful lugged crown fork. The fork sports both a double eyelet on the dropout and mid-blade mounts to allow you to use pretty much whatever front rack you wish.
Big Dummy is a long-tail cargo bike, which means that not only can you haul a serious amount of cargo, different accessories can be added to your Big Dummy frame and deck depending on what you want to carry. Being a dedicated single-piece frame, instead of an add-on to an existing bike, it's stiffer and resistant to torsional flex, which provides a better ride and longer lasting frame than long-tail add-ons. Like all Surly's frames, it's made of their size specific, 4130 CroMoly steel – a tube set engineered for cargo that sports lots of little touches that you've come to love in a Surly, like clearance for big tires and the use of common component sizes. Figure on being able to carry about 200 pounds (90kg) of cargo. The load weight, and how it's loaded, will affect the handling somewhat. Also, plan on using gears, especially as cargo weight increases. This may seem obvious, but as you get comfy with it, you will use your full range of gears as never before. It's suitable to loaded as well as unloaded riding. Bags, deck, rails, and rail collars are all designed to improve on previous offerings and work together to make sure your stuff is transported with safety and stability. It's an unbending interface, which when you're carrying lots of cargo, is a good thing to have. Get creative, and get hauling. If you intend to carry a passenger on your Big Dummy, Surly requires use of their Dummy Rail Collars. These provide a secondary retention system for the rack, as well as stiffen the rack system. These are included with MY17 Big Dummy bikes and frames, as well as available AM for older Big Dummy bikes and frames (compatible with all generations of Big Dummy bikes/frames). In addition, a stoker handlebar set up, found on tandem bicycles, is recommended as well. Make sure to check with seat post manufacturer for stoker handlebar compatibility. If you are planning to carry a child on your Big Dummy, Surly recommends the use of a child seat. They've tested the Maxxi Yepp seat. Yepp makes an adaptor that allows their seat to mount onto Surly's deck. It works well with the Big Dummy. At this time other child seats are not recommended and will void your warranty. Surly is testing other options. Note: keep in mind Big Dummy weight limits when carrying a passenger.
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