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Frames

Surly Big Dummy Frameset
$1,050.00
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.
Soma Fog Cutter frame
$300.00 - $370.00
New Soma Fog Cutter Frame Endurance road disc frame that can fit tires up to 700x40mm. - Fully heat-treated Tange Prestige CrMo steel - Road sport geometry - Rear rack & fender mounts - International disc mounts (rear mount is located on the chainstay for stiffer performance and also keeps the caliper out of the way of rear racks) - Available matching straight blade carbon fork (order 23316/43mm for frames 54cm and up; order 23317/48mm rake for frame 48-51cm - 1-1/8" size headtube - 27.2mm post size - 6 sizes: 48, 51, 54, 56, 58, 61cm - Rosso Red Want a complete Fog Cutter? Check out our "Pinchot" House gravel build.
Soma Grand Randonneur 650b - Frameset
$489.99
Soma's Grand Randonneur is a true low trail geometry randonneuring frame set, which means it rides better with a front load than other touring and road bikes. Co-designed with Mike Kone of Rene Herse/Boulder Bicycles. It will fit all the gadgets a good rando bike should have. The traditional diameter tubes lend a smooth comfortable ride. They have tweaked the geometry for 2015. We increased frame stack by 15-20mm. Seat tube extension has been reduced. - Designed for 650b wheels and cantilever brakes - Max. tire fit: 650 x 42mm slick tires w/fenders - Max. fender width: 50mm
Soma Wolverine V4 B-Type
$550.00 - $580.00
The original inspiration for the Wolverine was “monster cross”, but it is seriously so much more. Its geometry is stable enough for off road touring, but sporty enough for all-around adventure. With its sliding dropouts, you can turn it into a single-speed CX bike. With a split seatstay, it is compatible with the Gates Carbon Belt Drive. The primary differences between the V3 and V4 Type-B is that the latter has a third set of bottle bosses plus additional stack height on most sizes.There's also a new size, 46 cm. (Also check out the Wolverine v.4 Type-A, which is not belt-compatible. See chart for their differences.) Type B features: - Tange Prestige heat-treated CrMo front triangle; butted CrMo rear end - Clearance for 700x45c tires w/ fenders - Rear hub spacing:135mm (10mm QR, can be upgraded to 142mm 12mm TA with different inserts ) - Gates Carbon belt drive compatible - IRD Broski sliding dropouts allow for geared or single-speed builds Optional Matching Forks: A) lugged flat crown standard QR axle, Tange Infinity CrMo steel fork; double eyelets pannier rack and mini rack mounts. B) Unicrown straight blade 15mm thru-axle fork - Braze-ons for rear rack and fenders (disc brake-compatible racks only) - Three sets of water bottle bosses - 1-1/8” size headtube - Sizes: 46, 50, 52, 54, 56, 58. 60, 62 and 66cm (We recommend 650b tires on the 46cm) - 4.79 lbs (frame); - Paint: Moss Green
Raleigh Cadent i8 belt-compatible frameset
$199.00 $550.00 64% Off
Did someone say Fun Bike Project? Did someone say inexpensive belt-drive bike? Now you can build up your own disc-brake, belt-drive bike without spending very much at all. The Cadent frame can be built up almost any way you like: belt/singlespeed, belt/internal gearing, chain/singlespeed, chain/internal gearing, or (with an available derailleur hanger) chain/conventional derailleur. Drop bars can be used instead but will affect handling and body position a bit--remember drop bars will effectively lengthen the cockpit, so you may want to downsize if you're geometrically on the fence. The Cadent i8 frame has a basic road geometry but is designed for flat or swept-back handlebars. It excels as a speedy around-town bike but can be used for much more. Constructed of AL-6061 custom-formed butted alloy tubing with a seatstay splitter (so the belt can go in) and an eccentric bottom bracket shell. Carbon fork with alloy steerer. Includes a quick-release seatpost collar and a headset. Does not include a bottom bracket. Room for tires up to about 36mm. Fender and rack mounts. Belt guard can be removed. This frame is notably lighter than the beefy Raleigh Misceo i8 framesets that we also have, and of course the carbon fork is much lighter than the Misceo's steel fork. These frames are new but were assembled into complete bikes at the factory before we got them.
Marin Fairfax SC6 DLX frameset
$259.00
These are new framesets (not complete bikes) that had been assembled into complete bikes at the factory. Alloy frame, carbon fork. Compatible with a chain or belt, and with conventional drivetrains, internally geared hubs, or single speed. (Note that if you use a belt, your gearing options are limited to either single speed or an internally geared hub.) The bottom bracket is eccentric, but belt tension is independent of that, so you don't need to mess with the bb when you change a tube or tire or when you reinstall the rear wheel for whatever reason. Want to build your frame up with a conventional drivetrain? Order the rear derailleur hanger along with the frame (see Related Items). *Note that there is no place to mount a front derailleur.* Headset and seatpost collar included. Note: some of these framesets are from the "2016" model year and others are "2016". The only difference is a subtle change in graphics, with the 2017/2018 having a bit more white striping. The photo here of the complete bike is of a 2016. Please let us know your preference in the notes field at checkout. We'll do our best to honor your request.
All-City Macho Man Disc Frameset
$650.00
When is a 'cross bike more than a 'cross bike? When it's All-City's race-course-blasting, dirt-road-ripping, commute-crushing Macho Man Disc. The proven 612 Select cross frame and fork has disc tabs that allow for incredible, all-weather stopping power. It sports classic, hand-built frame details such as: a custom head badge, bi-plane lugged fork crown, internal top tube cable routing, signature brazed-on seat collar, signature vertical dropouts, and a custom bottom bracket. All-City sized the smaller frames to fit 650B wheels. Finishing touches include a rust-fighting ED coating, reinforced bottle cage bosses, and hidden fender mounts for those less than perfect training rides and trips downtown. The result is a favorite with the cross crowd, trail riders, gravel racers, and commuters.
All-City Nature Boy Disc Frameset
$625.00
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.
All-City Space Horse Disc Frameset
$650.00
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.
All-City Space Horse Frameset
$599.00
The Space Horse frameset is the most versatile model in the All-City line. It was designed to accommodate front and rear racks and fenders. It can be built geared or single and has clearance for large 42c tires. The geometry is a mix of traditional road and randonneur geos with a relatively short rear end and a bottom bracket that’s lower than a road bike. This gives the bike agile handling and increased stability when loaded. The lower BB also helps you descend gravel roads like a champ. Its load capacity is 30lbs in the rear and 20lbs in the front. These numbers allowed All-City to choose tubing that is stiff enough to handle a multi-week excursion, yet still rides beautifully and comfortably for unloaded road and gravel adventures. One of the coolest aspects of the Space Horse project was All-City's improvement upon existing semi-horizontal dropouts (the traditional dropout for a bike of this style). The small tab on the front of the dropout in combination with the adjustment screw means that the wheel is fixed in place like a vertical dropout system. You’ll never have to wonder where to get the best shifting. Simply place the wheel fully forward in the dropout and you're done. Its 612 Select frame features the AC custom head badge, brazed-on signature seat collar, signature semi-horizontal dropouts, and custom bottom bracket. There are double eyelets on the dropout, mid-blade mounts on the fork and reinforcements on the bottle bosses. They've also included a pump peg and internal top tube cable routing. Finish it off with an E.D. coating for rust prevention and All-City's beautiful wet paint.
All-City Space Horse Frameset
$650.00
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.
All-City Thunderdome Frameset
$650.00
The Thunderdome is All-City's UCI-approved fire-breathing, track-racing monster! It was designed to do only one thing: go fast! From the distance events to the sprints, the T-Dome has proved itself on the boards of velodromes across the country. Because All-City loves the classics, it boasts traditional round-profile tubing, beautifully polished aluminum sections, replaceable stainless-steel axle pads, a carbon fork, our custom headtube badge and a classic 1 1/8” headtube. It fits a 700 x 25c tire, and the fork is drilled to accept a brake.
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