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Mountain Frames

Specialized Fuse M4 29 Frame
$800.00
If you’re looking for a frame that’s snappy, confident, and happiest on trails that make other hardtails cry, you’ve come to the right place. - The Fuse’s M4 aluminum frame is loaded with smart touches. - Wide-diameter down tube boosts stiffness. - Low-slung top tube gives you the clearance to throw the bike around on tight trails. - Adjustable dropouts let you run the Fuse geared or single-speed. - Tune the Fuse to your trails by changing chainstay length as much as 15 millimeters.
Surly Big Fat Dummy Frameset
$1,649.00 - $1,650.00
The Big Fat Dummy is a long tail cargo bike that took a few too many doses of growth hormones. At first glance, you might say that Surly just put bigger tires on a Big Dummy. But if you said that, you'd actually be very wrong so just… don't. Think of Big Fat Dummy as more of a second or third cousin to Big Dummy rather than a brother. They share some of the same DNA and look sort of similar, but they're two very different bikes and really only interact when they both reach for the potato salad spoon at that family reunion that no one really wants to be at anyway. Now that that's out of the way, let's get down to the nitty gritty of what makes this hulking beast of a bike tick. Surly's goal with designing a cargo bike around fat tires was to create the most stable, stiff, and traction-laden ride possible while hauling a ton of stuff. Big Fat Dummy has a longer toptube and slacker headtube than its more svelt cousin giving it a nice, predictable, and stable ride. They also used thinner, lighter tubing to construct its cargo area so while it's an overall burlier bike, there's not much difference in weight. Big Fat Dummy accepts either 10mm or 12mm axles in the rear with a spacing of 190/197mm. That big ‘ol spacing equates to one thing: tire clearance for days. Big Fat Dummy maxes out at a massive 26 x 5.25" tire.* While that large of a tire provides the most traction and stability a bike can possibly offer, it's also a lot of rubber to push and might not be for everybody. Luckily, Big Fat Dummy is also a blast to ride with 3" tires too. It uses the same 100mm suspension-corrected fork as the Wednesday, meaning if you want to add a little squishy-squishy to your ride, you can throw a Bluto on and let ‘er rip. If you intend to carry a passenger on your Big Fat 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. 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. All Big Fat Dummy framesets and bikes ship with a Dummy deck, rails, bags, and the aforementioned Dummy Rail Collars so you can immediately start hauling cargo — human or otherwise. Big Fat Dummy is ready and willing to carry all sorts of crap — literally. It's already in use on an organic farm in Ecuador so it's likely that it's hauled some form of manure by now. *Using a 26 x 5.25" tire will cause some drivetrain limitations. For all the nuts and bolts of compatibility read Surly's blog on the subject.
Surly Karate Monkey Frameset
$749.00
The Karate Monkey frame features updated, progressive trail geometry, a new tubeset, and Surly’s Gnot-Boost rear dropout system to support multiple drivetrain and wheel size configurations. - 100% Surly 4130 chromoly steel frame and fork; double-butted main triangle and 44mm headtube - Tubeset uses the same trumpet tubes found on Instigator 2.0 frame - Adjustable rear dropouts with 145mm Gnot-Boost spacing works with 142 x 12, 148 x 12mm, and 135mm w/ 10/12 washer - Internal dropper seatpost routing - 30.9mm seat tube ID - Clearance for 29 x 2.55 or 27.5 x 3 tires
Surly Lowside Frameset
$600.00
The Surly Lowside is the bike that gets you across town for a quick rip on singletrack, then over to the bar for a night out. It’s the bike you turn to when you’re not entirely sure what the night has in store. It’s the bike to grab when you want to have just as much fun riding to the trail as you do on the trail, itself. Singlespeeding is an integral part of Surly’s DNA, and the Lowside continues the tradition, by taking a simpler approach to trail riding. - 100% Surly 4130 chromoly frame, main triangle is double-butted; 1 1/8" threadless chromoly fork - Singlespeed "specific" (derailleur hanger: yes; Trip Guides: no) - Dropper post routing - Gnot-Boost rear spacing - Front and rear thru-axles - 26 x 3" or 27.5 x 2.8" tire clearance
Surly Lowside Frameset
$600.00
Lowside is the bike that gets you across town for a quick rip on singletrack, then over to the bar for a night out. Lowside is like the grownup version of the bike you rode when you were a kid and still had hopes and dreams and some semblance of ambition. It’s just as happy riding singletrack as it is parked outside your favorite drinking establishment. Lowside is a singlespeed. Singlespeeding has been a part of Surly’s DNA since day one when we launched the 1x1 Rat Ride. After a lot of Homie Fall Fests and more feats of strength than we can recall, we decided to discontinue it a couple years back. Lowside picks up right where the 1x1 left off. Some have dubbed the Lowside the ultimate pub cruiser. - Modern trail standards: dropper post compatibility, 44mm headtube, Gnot-Boost rear spacing, thru-axles - Compatibility with most mountain bike standards makes it the perfect parts bin bike (no rim brakes allowed though) - Clearance for 26 x 3 or 27.5 x 2.8 tires
Surly Troll Frameset
$699.00
Off-road touring can be a zesty enterprise, but it's not without its perils. Bicycles are simple machines that are extremely efficient, but all simple machines carry along with them the chance of breaking down. This efficiency can get you in trouble if your bike decides to break down far away from the comforts of your parent's basement. If you’re going to ride your bicycles where no one can see, you better take gear that's up to the task. Troll is up to the task. Surly's Troll was once a simple mountain bike frame with a few extras that made it nice for touring. The Troll has evolved into a frame that has been pushed deeper into the category of off-road touring. Its geometry is no longer suspension corrected, which gives it more room for a larger frame bag. Surly also adorned this frame with their Gnot-Boost spacing, allowing you to use any mountain bike hub whether it be 135mm QR, 12 x 142mm thru-axle, or 12 x 148mm Boost hub. The chainstay yoke has been redesigned to be fully compatible with 26+ tires and the complete bike comes with the always-comfy Surly Moloko Bar. The dropouts still allow you to run disc brakes, fenders, a Rohloff hub, and racks simultaneously. It also comes with more braze-ons than you thought possible – there are four triple bottle mounts on the fork alone (don't get excited, you can only run one Anything Cage per fork leg), as well as two more triple bottle mounts on the downtube. Troll is a bike that has one purpose – and that purpose is to carry you as far away from society as possible. Man has known for eons the call of the indifferent forest. The inexorable march of time, and dumb things like cell phones, have dulled our senses and made us afraid. Reclaim your animalistic tendencies atop Man's greatest invention.
Surly Troll Frameset
$699.00
Off-road touring can be a zesty enterprise, but it’s not without its perils. Bicycles are simple machines that are extremely efficient, but all simple machines carry along with them the chance of breaking down. This efficiency can get you in trouble if your bike decides to break down far away from the comforts of your parent’s basement. If you’re going to ride your bicycles where no one can see, you better take gear that’s up to the task. Troll is up to the task. Our Troll was once a simple mountain bike frame with a few extras that made it nice for touring. The Troll has evolved into a frame that has been pushed deeper into the category of off-road touring. Its geometry is no longer suspension corrected, which gives it more room for a larger frame bag. We’ve also adorned this frame with our Gnot-Boost spacing, allowing you to use any mountain bike hub whether it be 135mm QR, 12 x 142mm thru-axle, or 12 x 148mm Boost hub. The chainstay yoke has been redesigned to be fully compatible with 26+ tires and the dropouts still allow you to run disc brakes, fenders, a Rohloff hub, and racks simultaneously. It also comes with more braze-ons than you thought possible – there are four triple bottle mounts on the fork alone (don’t get excited, you can only run one Anything Cage per fork leg), as well as two more triple bottle mounts on the down tube. Troll is a bike that has one purpose – and that purpose is to carry you as far away from society as possible. Man has known for eons the call of the indifferent forest. The inexorable march of time, and dumb crap like cell phones, have dulled our senses and made us afraid. Reclaim your animalistic tendencies atop Man’s greatest invention.
Surly Troll Frameset
$699.00
Off-road touring can be a zesty enterprise, but it’s not without its perils. Bicycles are simple machines that are extremely efficient, but all simple machines carry along with them the chance of breaking down. This efficiency can get you in trouble if your bike decides to break down far away from the comforts of your parent’s basement. If you’re going to ride your bicycles where no one can see, you better take gear that’s up to the task. Troll is up to the task. Surly's Troll was once a simple mountain bike frame with a few extras that made it nice for touring. The Troll has evolved into a frame that has been pushed deeper into the category of off-road touring. Its geometry is no longer suspension corrected, which gives it more room for a larger frame bag. The chainstay yoke has been redesigned to be fully compatible with 26+ tires and comes with the always-comfy Jones Loop bar. The dropouts still allow you to run disc brakes, fenders, a Rohloff hub, and racks simultaneously. It also comes with more braze-ons than you thought possible – there are four triple bottle mounts on the fork alone (don’t get excited, you can only run one Anything Cage per fork leg), as well as two more triple bottle mounts on the down tube. Troll is a bike that has one purpose – and that purpose is to carry you as far away from society as possible.
Specialized Demo Race 29 Frame
$2,500.00
DH is all about speed—that's true whether your aim is to climb the podium or to simply bring home all the bragging rights after a day at the park. If speed is what you're after, the Demo Race 29 is your sled. Everything about this bike is designed to get you from zero to Mach 10: a new frame design, improved kinematics, better braking, big wheels, and all today's newest fancy bits. It's time to get rowdy. We've refined the Demo's kinematics and suspension design. We had one overriding goal—improve the bike's ability to carry momentum, no matter how technical the terrain. More momentum equals more speed, after all. The revised axle path reduces hang-up on square-edged bumps and that, in turn, transfers more energy to the suspension and less to you. While we were at it, we also improved the Demo's suspension performance under braking and added a bit more anti-squat to improve its pedaling performance. Bottom line, the new Demo rolls faster through chunky terrain than its predecessor. To get your dream build started off right, the frame includes an Öhlins TTX rear shock with 200mm of travel, a 225x75 Trunnion mount, and high- and low-speed compression adjust. Finally, no DH rig would be complete without a Thomson seatpost, so yeah, we threw that in there, too. - M5 alloy construction works in harmony with our Style-Specific DH Geometry to create the ultimate race machine. The design is compact in order increase maneuverability and responsiveness, while the 200mm of travel at the rear makes the bike capable of taking big hits in stride. And to fill out all of the details that make the difference on race day, we’ve included an ISCG ‘05 mount for chain guides and all the bits to make it easy to work on. - Custom Ohlins TTX Trunnion rear shock delivers unparalleled DH performance. It offers high-/low-speed compression adjust that stands independent of the rebound adjust, enabling you to fine-tune the shock for the track at hand. It has 200mm of coil-sprung travel that stands without rival, and you won't find it anywhere else. - The Body Geometry Henge DH saddle features our proven Body Geometry design, and implements a cutout on the underside for added rear tire clearance.
Specialized Demo Race Frame
$2,500.00
The same chassis piloted to riotous success in its very first season on the World Cup circuit, the Demo Race frameset brings 27.5/29-inch rear wheel compatibility to the fore in the search for the optimal balance of speed, traction, and maneuverability while allowing for unmatched versatility. RockShox's proven Super Deluxe DH Coil gives you a head start on suspension perfection, just hang your time-tested race kit before you pick up the search where we left off, and there's a good chance you'll find a few podiums along the way. - The Demo Race M5 alloy frame is fully optimized to take advantage of the traction benefits of a 29-inch front wheel and the increased maneuverability of a 27.5-inch rear wheel. And, it retains the ability to change your rear wheel size to suit different terrain and riding styles—the adjustable rear end ensures chainstay length and bottom bracket height stay dialed no matter the hoop size. - The Rockshox Super Deluxe Ultimate DH coil shock may be heavy on adjectives, but it's even heavier on performance, offering external low-speed compression and rebound adjustment while the Trunnion mount offers extra bushing overlap for increased durability.
Specialized Stumpjumper EVO Alloy 27.5 - Frameset
$1,700.00
Let's get something clear—the Stumpjumper EVO Alloy 27.5 isn't a "normal" trail bike. It's built to get gnarly, and there's no real way around that. It has a slacked-out front-end and a longer top tube, so the EVO has heavier steering and exceptional front-end traction that begs you to do cutties and boost every lip. And with the perfect blend of responsiveness and stability that 27.5-inch wheels are known for, you'll be shredding the gnarliest lines in no time. When the goin' gets rowdy, the rowdy get goin'. What exactly is the EVO for? EVO is for the shredders—the gnarliest trail riders who live for gravity riding. Big drops, huge kickers, rocks, roots—whatever you throw at it, the Stumpjumper EVO can handle it. EVO uses the same style-specific sizing that's featured on our Demo. This sizing lets you choose the bike that fits the way you ride—not just by the seat tube measurement like with most bikes—and it narrows things down to two sizes, S2 and S3. These are longer, lower, slacker, and have seat tube and head tube heights that allow you to choose the size that best suits your style and terrain. Our other design goal was simple—build the ultimate trail bike. One that feels telepathic. And it turns out that this feeling all comes down to stiffness. Think of it this way: when the frame's telling your hands one thing and your feet another, your brain gets confused with the imbalance and the bike feels unstable. In order to fix this, we had to get to work on dialing-in the materials and shapes. We continued down the suspension path with a custom Rx Trail Tune on both the fork and rear shock. Suspension performance is highly dependent on frame, wheel, and rider size, so we use our Rx Tune to get each bike to land in the middle of the adjustment spectrum, and this gives you the biggest possible range to fine-tune your ride. Another focal point of the tune was matching the suspension characteristics between wheel sizes—we developed a specific Rx Tune for each platform. So, no matter what wheel size you prefer, you'll get perfectly linear suspension. Steps were also taken to make this bike easy to live with. Threaded bottom brackets make a triumphant return, and we made room for up to a 3.0" tire. You're also free to run whatever aftermarket rear shock you want, since we're using standard metric shocks. And customization is furthered with a Flip Chip that lets you to dial-in your Stumpy to your riding style. Switch it from High to Low and it drops your bottom bracket 6mm and slackens the head tube by half-a-degree. Little details also jump out to surprise you, like a newly designed ribbed chainstay protector that makes chain slap a thing of the past and nearly silences the drivetrain. - With its M5 alloy frame, 27.5 Trail EVO geometry, and 150mm of travel, the Stumpjumper EVO Alloy has been purpose-built to shred the most gravity-defying trails. - FOX FLOAT DPX2 Performance has three modes—Open, Trail, and Firm—that control large compression adjustments on-the-fly.
Specialized Stumpjumper EVO Alloy 29 - Frameset
$1,700.00
Let's get something clear—the Stumpjumper EVO Alloy 29 isn't a "normal" trail bike. It's built to get gnarly, and there's no real way around that. It has a slacked-out front-end and a longer top tube, so the EVO has heavier steering and exceptional front-end traction that begs you to do cutties and boost every lip. And with all the speed that 29ers are known for, you're going to be able to bomb down trails that you thought you couldn't touch without a full-blown DH rig. When the goin' gets rowdy, the rowdy get goin'. What exactly is the EVO for? EVO is for the shredders—the gnarliest trail riders who live for gravity riding. Big drops, huge kickers, rocks, roots—whatever you throw at it, the Stumpjumper EVO can handle it. EVO uses the same style-specific sizing that's featured on our Demo. This sizing lets you choose the bike that fits the way you ride—not just by the seat tube measurement like with most bikes—and it narrows things down to two sizes, S2 and S3. These are longer, lower, slacker, and have seat tube and head tube heights that allow you to choose the size that best suits your style and terrain. Our other design goal was simple—build the ultimate trail bike. One that feels telepathic. And it turns out that this feeling all comes down to stiffness. Think of it this way: when the frame's telling your hands one thing and your feet another, your brain gets confused with the imbalance and the bike feels unstable. In order to fix this, we had to get to work on dialing-in the materials and shapes. We continued down the suspension path with a custom Rx Trail Tune on both the fork and rear shock. Suspension performance is highly dependent on frame, wheel, and rider size, so we use our Rx Tune to get each bike to land in the middle of the adjustment spectrum, and this gives you the biggest possible range to fine-tune your ride. Another focal point of the tune was matching the suspension characteristics between wheel sizes—we developed a specific Rx Tune for each platform. So, no matter what wheel size you prefer, you'll get perfectly linear suspension. Steps were also taken to make this bike easy to live with. Threaded bottom brackets make a triumphant return, and we made room for up to a 2.8" tire. You're also free to run whatever aftermarket rear shock you want, since we're using standard metric shocks. And customization is furthered with a Flip Chip that lets you to dial-in your Stumpy to your riding style. Switch it from High to Low and it drops your bottom bracket 6mm and slackens the head tube by half-a-degree. Little details also jump out to surprise you, like a newly designed ribbed chainstay protector that makes chain slap a thing of the past and nearly silences the drivetrain. - With its M5 alloy frame, 29 Trail EVO geometry, and 140mm of travel, the Stumpjumper EVO Alloy has been purpose-built to shred the most gravity-defying trails. - FOX FLOAT DPX2 Performance has three modes—Open, Trail, and Firm—that control large compression adjustments on-the-fly.
Specialized Stumpjumper EVO Carbon 29 - Frameset
$3,000.00
The Stumpjumper EVO Carbon 29 has one goal—to conquer the gnarliest trails out there. Ultralight yet ultra burly, the carbon chassis is configured around a seriously slack, long and low geometry that make this the perfect foundation for a featherweight bruiser of a bike. ONE FRAME, ANY TRAIL The innovative sidearm frame design makes a lighter, better-handling bike. By directly connecting all three mounting points of the rear-end and shock to the frame, we’ve increased both stiffness and performance over bumps. EVO IS FOR SHREDDERS Stumpy EVOs aren’t "normal" trail bikes—they’re built to get gnarly, simple as that. With their slacked-out front-end and longer top tube, EVO models have heavier steering and exceptional front-end traction that beg you to do cutties and boost every lip. Get rowdy. THE PERFECT FOUNDATION - Lightweight, carbon chassis offers the perfect balance of stiffness and precision handling. - Built to shred with 29er Trail EVO geometry and 140mm of rear suspension. - FOX FLOAT DHX2 Performance Elite rear shock boasts stellar big-hit performance.
Specialized Stumpjumper Evo Carbon 27.5 - Frameset
$3,000.00
The Stumpjumper EVO Carbon 27.5 has one goal—to conquer the gnarliest trails out there. Ultralight yet ultra burly, the carbon chassis is configured around a seriously slack, long and low geometry that make this the perfect foundation for a featherweight bruiser of a bike. ONE FRAME, ANY TRAIL The innovative sidearm frame design makes a lighter, better-handling bike. By directly connecting all three mounting points of the rear-end and shock to the frame, we’ve increased both stiffness and performance over bumps. EVO IS FOR SHREDDERS Stumpy EVOs aren’t "normal" trail bikes—they’re built to get gnarly, simple as that. With their slacked-out front-end and longer top tube, EVO models have heavier steering and exceptional front-end traction that beg you to do cutties and boost every lip. Get rowdy. THE PERFECT FOUNDATION - Lightweight, carbon chassis offers the perfect balance of stiffness and precision handling. - Built to shred with 27.5 Trail EVO geometry and 150mm of rear suspension. - FOX FLOAT DHX2 Performance Elite rear shock boasts stellar big-hit performance.
Specialized Stumpjumper Troy Lee Designs 29 Frameset LTD
$3,200.00
It's hard to top the history and beauty behind a Troy Lee Designs paintjob, and what's on display on this limited-edition, EVO Stumpjumper chassis pairs slack, long and low geometry with 140mm of deep and progressive suspension. It's a featherweight brawler. One frame, any trail The innovative sidearm frame design makes a lighter, better-handling bike. By directly connecting all three mounting points of the rear-end and shock to the frame, we've increased both stiffness and performance over bumps. Evo is for shredders Stumpy EVOs aren't "normal" trail bikes—they're built to get gnarly, simple as that. With their slacked-out front-end and longer top tube, EVO models possess exceptional front-end traction that begs you to boost every feature on the trail. It's rowdy time. The perfect foundation - Limited-edition, EVO carbon chassis is stiff, precise, and rowdy. - Built to shred with 29er EVO geometry and 140mm of rear suspension. - FOX FLOAT DHX2 Performance Elite rear shock boasts stellar big-hit performance.
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