Mountain Bike Frames

The Karate Monkey features updated, progressive trail geometry, our custom trumpet tubeset, and Surly's Gnot-Boost rear dropout system. Available in a variety of colors, with multiple drivetrain and wheel size configurations.

The All-Around Fat Bike Wednesday sits in the middle of our Trail category, but don’t let that fool you into thinking that’s its only use. With Wednesday, we borrowed elements from some of our Trail and Touring models to create a versatile fat tire trail bike that can truly handle anything you want to attempt. If you do an equal amount of off-road touring as you do hitting trails, Wednesday’s ability to play both parts equally will suit you well. Or, if you’re looking for a fat bike and don’t need the fattest tires on the market, Wednesday’s 26 x 4.6” tire clearance is just the ticket. "Any day of the week’s a great day to ride a Wednesday." - Modern mountain standards: stealth dropper post routing, 44mm headtube, suspension correction, front and rear thru-axles - Full suite of useful braze-ons: front and rear racks, multiple sets of three-pack mounts, fenders - Full-forward, short chainstay position: 26 x 3.8? tires on 80mm rims; full-rearward, longer chainstay position: 26 x 4.6? tires on an 80mm rim

If there’s one thing Tom knows, it’s dirt. When he first designed the Ultra he knew it would appeal to riders who demand specific ride characteristics and dirt slaying only he could deliver- and that was in the 1980s! Good design withstands the test of time, and the latest iteration of the Ultra is a prime example. Like its predecessor from 30 years prior, the new Ultra occupies a unique ride space from cross-country riders looking to get rowdy and go big to enduro riders lusting for some all-mountain shredding. Designed around a 120mm travel fork and super stable Boost 148 spacing, most of the fun is in the wheels. Designed to accommodate 29" or 27.5" wheels, the Ultra is highly versatile. Throw on some 29s for some trail-smashing XC riding, or saddle up some 27.5+ for some serious no-holds-barred shredding. The Ultra is a rough and rugged trail master that doesn’t know when to quit. - Compatible with 27.5 x 2.8 and 29 x 2.4 tires - Internal routing for a dropper post - Boost 148x12 rear spacing

Ice Cream Truck solves the problem of having to choose between a fat bike and a trail bike. It boasts a symmetric 190mm-spaced Chromoly frame, suspension-corrected 150mm-spaced fork, and sporty trail-oriented geometry. Supported by massive 4.8" tires, itis ready to deftly tackle nearly any terrain. - 100% Surly Chromoly steel with 44mm headtube and internal dropper post cable routing - Frame is E.D. Coated for increased life expectancy - 1-1/8" straight steerer fork, Chromoly steel - 100mm threaded bottom bracket shell - Front and rear thru-axles, non-off-set - Universal cast dropouts accommodate thru-axle or quick-release standards

Ruthless Progression This totally redesigned P.Series gives riders of all sizes a jumping off point to a life on bikes. The lightweight, but tough alloy frame is designed to take all the hits and keep rolling—across all frame and wheel size options. Our approach to these robust bikes centers around delivering a simple, high-quality platform that's versatile for all riders, and packs in category-first features that make a difference to the rider. Starting with the durable lightweight alloy frame, the new P.Series stands up to the demands of dirt jump progression. Its cables are internally routed, adding to its sleek presence and tangle-free riding. • Specialized P.4, A1 Premium Alloy, 27.5", fully-butted tubing, dropper post compatible and 26" wheel compatible.

As the first "plus" bike to hit the market, Krampus changed the way many people approach trail riding. It's shown people the light of how high-volume, large-diameter tires can vastly improve the ride experience. It's also done a bang-up job dispelling the myth that big tires make you slow. Krampus is kind of like the opposite of a mullet: long in the front and short in the rear. With a long toptube and compact chainstays, it takes trail-shredding abilities to the next level. A mullet may be business in the front, party in the back but Krampus makes partying its business. - Modern trail standards: dropper post compatibility, 44mm headtube, Gnot-Boost rear spacing, thru-axles, suspension-corrected fork - Compatibility with most mountain bike standards makes it the perfect parts bin bike (no rim brakes allowed though) - Clearance for 29 x 3" tires

Designed to go where no normal fat bike can, the Surly Moonlander is for riders who want otherworldly capabilities on rocky shorelines, sand, snow, and desolate landscapes not yet discovered. It’s the ultimate choice for explorers who itch for the next great adventure, and aren’t afraid of what they might find. - Constructed from 100% Surly Chromoly Steel for excellent durability - Clearance for 24 x 6.25” tires, as well as 26 x 5.1", 27.5 x 4.8", and 29 x 3" - Comes with rack and fender mounts, as well as accessory mounts on both fork blades to enhance cargo capacity - Four frame sizes to fit most riders: SM, MD, LG, XL

Stumpjumper 15 Alloy is here to obliterate every trade-off in the trail game. Devour bumps like a big bike? Check. Short-travel control, playfulness, and efficiency? Double check. How about a heaping helping of personalization to make it perfect for the only rider who really matters, you? Check, check, check. - All-new M5 alloy frame with SWAT door integration - Ride Dynamics tuned FOX FLOAT Performance with Specialized GENIE patent-pending air spring technology provides maximum grip and traction found in a linear coil spring, bottom-out prevention found in a progressive air spring, and the ability to tune mid-stroke and end-stroke support independently. 2-position open and firm damper adjustments. - Lifetime replacement of suspension pivot bearings to the original owner

THINK FASTEST: The Epic World Cup is the fastest XC race bike in the world on smooth to moderately technical courses thanks to its unmatched combination of efficiency, control, and light-weight. World Champ Christopher Blevins said it best, “This thing gives me everything I could want from a hardtail, plus the control and capability of full suspension.” All it took to create this speed machine was a totally integrated development approach, inventing a radical new shock, and four decades of off-road winning experience. FRAME OF REFERENCE: To deliver maximum speed through ruthlessly efficient power transfer and precision handling, our engineering team set and achieved new standards in torsional rigidity and BB stiffness. This feat required an integrated development approach that merged a structurally superior double diamond layout with its shock cradled inside the top-tube, and finished off with the most sophisticated composite layup in Specialized history. SHOCKINGLY FAST: The Specialized Ride Dynamics team conceived of and invented a revolutionary shock technology for the Epic World Cup that gives the rider the efficiency and snappy response of a hardtail PLUS the control, capability, and momentum-carrying of full suspension—all with a simple setup. Co-developed with RockShox, the SID Deluxe WCID shock utilizes a unique independently adjustable positive and negative air springs to deliver the sought-after hardtail “snap”, combined with terrain-devouring forgiveness, and the ability to easily personalize set-up for a specific course or tune for rider preference and feel. Set it firm and it rides like a hardtail or open it up and you have a chunk-squashing ripper. But you aren't just limited “open and closed,” the simple nature of its setup allows the rider to set on a spectrum of firm to soft. PUNCHING ABOVE ITS CATEGORY: The Epic World Cup’s 75mm of rear travel delivers control and capability of a much longer travel bike. Because it’s designed to be ridden at or close to topped-out, it yields the same positive travel as a 100mm travel bike set up with 25% sag. To further optimize suspension performance, the Specialized Ride Dynamics team tuned the spring-rate to be relatively flat through the mid-stroke to handle the majority of bump forces like a longer travel bike. Due to its large size, the custom Mega Jounce Bumper is an “industry first” and plays a crucial role in smoothly managing bottom-out on the biggest impacts. HAVE WE LOST OUR MINDS? The groundbreaking SIDLuxe WCID shock provides a unique blend of support and compliance in the rear. THE WEIGHT IS OVER: With a frame weight of just 1,765 grams (painted with shock and all hardware), the Epic World Cup edges out the lightest of competitors. This translates to faster acceleration, more efficiently climbing, and more agile handling. And all of that adds up to speed. We achieved the featherweight and monster stiffness of the Epic WC by applying what we learned in the development of our Aethos, the lightest production road frame ever made, specifically the advanced composite layup and tube shapes. THE BIGGEST FLEX IS NO FLEX: The Epic World Cup Frame sports the 180-gram Roval Control SL seat post, boasting peerless light-weight, stiffness, and control on the World Cup today. - The all-new Epic World Cup frame features Ride Dynamics Developed suspension technology and 75mm of optimized rear wheel travel. Thanks to its shock technology, Epic World Cup delivers unmatched pedal efficiency and is ready for the roughest descents you can throw at it–no lockout switches required. - An all-new Control SL seatpost is amongst the lightest off road seatpost in market, further shaving grams to get riders up the climbs as effortlessly as possible. - A RockShox SID SL with 3-Position Race Day 2 damper provides support under pedaling and 110mm of active suspension to provide ultimate efficiency.

Ruthless Progression This totally redesigned P.Series gives riders of all sizes a jumping off point to a life on bikes. The lightweight, but tough alloy frame is designed to take all the hits and keep rolling—across all frame and wheel size options. Our approach to these robust bikes centers around delivering a simple, high-quality platform that's versatile for all riders, and packs in category-first features that make a difference to the rider. Starting with the durable lightweight alloy frame, the new P.Series stands up to the demands of dirt jump progression. Its cables are internally routed, adding to its sleek presence and tangle-free riding. • Specialized P.3, A1 Premium Alloy, 26", fully-butted tubing, dropper post compatible and 27.5" wheel compatible.