Mountain Frames

Supercaliber SLR Frameset is an ultralight cross-country MTB frame that's itching to become your next dream bike. Its SLR Mountain Carbon layup is as light as it is meticulous, with a high modulus carbon fiber that gives you all the stiffness you crave and none of the weight. XC courses get rowdier every year, so it comes equipped 80mm of IsoStrut rear suspension to smooth your roll without kicking pedaling efficiency to the wind. It's right for you if... You want to build up the perfect cross-country bike with your own curated collection of components. You love the flexibility of being able to pick and choose every element of your bike and are ready for an ultralight and ultra-capable ride that's proven on the podium. The tech you get A featherweight, high-modulus SLR OCLV Mountain Carbon frame with modern XC geometry. 80mm of IsoStrut rear suspension from a RockShox SIDLuxe shock with 2-position remote damper. Designed to pair with a 110mm fork. The final word Supercaliber SLR frameset is ultralight, ultra-capable, and ready to be built into your dream ride. Why you'll love it - You get 80mm of IsoStrut rear suspension that partners with slacker, capable geometry for handling the roots and rocks of modern XC courses - You don't have to compromise stiffness for weight savings thanks to the SLR OCLV Mountain Carbon frame that's intensely light, stiff, and responsive - IsoStrut gives you tunable, damped suspension without missing out on efficiency for hammering up climbs at top speed - Pivotless seat stays save on weight and actively bend to help soak up trail chatter - You get to build it up with your dream collection of components Features: Nothing else like it Supercaliber’s unique frame design ditches traditional suspension hardware so there’s less weight, less maintenance, and less lateral flex. IsoStrut connects the mainframe to the pivot-less seat stays to offer about 80mm of rear wheel travel. This design offers a unique blend of efficiency, traction, and fatigue-fighting compliance that keeps racers fresh and in control. IsoStrut IsoStrut integrated suspension gives you just enough travel to stay in control. It's fully tuneable like a standard rear shock, but without the weight penalty of a full suspension bike.

Procaliber Alloy Frameset is the perfect launching pad for your next cross-country bike. It rolls the fine line between race-ready and pocket-friendly with modern geometry that's made for handling fast corners, and lightweight Alpha Platinum Aluminum that's tough, nimble, and ready to cut loose. Designed for a 120mm fork, this ride is ready to build up into your dream steed. IT'S RIGHT FOR YOU IF… You're ready to start your dream cross-country bike from scratch, and want a lightweight and durable frame that doesn't break the bank. You need nimble handling, but don't want it at the cost of stability through the rough. THE TECH YOU GET A lightweight Alpha Platinum Aluminum hardtail frame with modern XC geometry and 148mm boost spacing for stiff support under power. Designed for a 120mm suspension fork. THE FINAL WORD The Procaliber Alloy Frameset lets you ride the line between performance and price with modern XC geometry that keeps you cool through the rough and ready to hammer up climbs. Ready to rip with your dream bike build. WHY YOU'LL LOVE IT - You get modern geometry that keeps you in the attack on climbs and crushing confidently on descents - It balances the accessible price of an alloy hardtail with the performance of its carbon cohorts - You can roll with up to a 120mm fork to get total trail capability - You get to doll it up with all your favorite parts - Internal cable routing keeps your ride quiet, reduces maintenance, and looks sleek

Procaliber C Frameset Gen 3 is a carbon cross-country hardtail frame ready for your dream build. It marries aggressive XC geometry with IsoBow trail-smoothing tech for a ride that's light, efficient, and quick to respond to your every input. Perfect for building up as a fast 29er with up to a 120mm fork. It's right for you if... You're ready to build up your XC race hardtail and want the perfect platform to start. Lightweight carbon, trail-smoothing IsoBow, hardtail efficiency, and nimble handling for quick moves in tight singletrack. The tech you get An OCLV Mountain Carbon frame with IsoBow trail-smoothing technology and internal cable routing. Boost 148mm spacing for stiff bracing angles that help you get more power from every pedal stroke. Designed for up to a 120mm suspension fork. The final word Procaliber C Frameset Gen 3 is a light, race-ready frame that delivers just the compliance you crave on rocky XC courses without sacrificing speed. You get hardtail efficiency plus one smooth ride. Why you'll love it - You get the hardtail efficiency you crave without the chatter thanks to IsoBow vibration-absorbing technology - The OCLV Mountain Carbon construction is light, tough, and stiff, with just enough compliance to keep comfortable in the rough - It's ready for your dream build – deck it out with all the odds and ends you want for your lightest XC race bike or adventure-ready hardtail - It's designed for up to a 120mm fork, so you can smooth out rough and rowdy modern XC trails - You get huge clearance for up to 2.4" tires, so you can roll with plenty of grip on loose, technical courses

Top Fuel C Frameset Gen 4 is a carbon trail frame with 120mm of rear travel that's ready for your dream build. It takes the do-anything geometry of Top Fuel and leaves the rest to your imagination – build it up as a lightweight ride for soaring up climbs with a 120 or 130mm fork or go all-mountain with a 140mm fork. Go 29er or MX it up. The world is your oyster. Its 4-position Mino Link means you can tune it to how you ride and however you want to build it.

Session C 27.5 frameset is an agile carbon DH mountain bike that's built for tearing up the biggest descents. Strong and light OCLV Mountain Carbon tubes, 190mm of travel with a FOX Factory shock, and the best frame tech make it the perfect platform for downhill speed. It's right for you if... You seek out the steepest descents, the fastest lines, and the biggest jumps. You're looking for a fast, agile, light DH ride with a high-quality shock and the best frame tech for ridiculous speed in downhill races. The tech you get A strong and light full OCLV Mountain Carbon frame, 190mm of travel with an adjustable FOX Factory Float X2 shock tuned by Trek Suspension Lab, Carbon Armor frame protection, and adjustable fixed-angle FSA Orbit headset, and exclusive trail tech like ABP and Mino Link. Built for 27.5? wheels. The final word This light and nimble bike is built for speed and agility on the biggest, roughest downhill runs. Why you'll love it - Session has the heart of a monster truck: it rolls over everything, gives you the confidence to take on rougher trails, and saves you when you don't take the right line - OCLV Mountain Carbon is light and strong, even on the wildest runs - Race or get rowdy? This bike does both - 27.5 wheels are great for flicking the bike around through the most technical trail - Mino Link and fixed-angle headset cups let you adjust your geometry for the exact handling you want

Slash C Frameset is a hard-charging carbon enduro frame that's ready for your dream build. It gives you the trail-crushing geometry you crave, plus a high pivot design that helps you punch up square-edge climbs and stay planted on rowdy descents. It's equipped with a 170mm RockShox Super Deluxe Select+ rear shock and designed for a 170mm fork of your choice. Set it up MX with a 29" front and 27.5" rear wheel, or go full 29er. The choice is yours. It's right for you if... Enduro days are in your forecast, and you want to build up the ultimate capable carbon steed to rally through them. You want a bike with plenty of travel for soaking up drops, and capability for punching back up to the top for more. You're a fan of versatility, and like that you can tweak the geometry and choose the best wheel size for you. The tech you get An OCLV Mountain Carbon frame with high pivot design and idler pulley, plus internal storage. 170mm of rear travel from the RockShox Super Deluxe Select+ rear shock, and all the adjustability and customization you can dream of. The final word If you're chasing big trail days and want a carbon ride that can handle it all, Slash C is the frameset for you. You get major capability from enduro to backcountry and can customize it however you want. The world is your oyster. Why you'll love it - The world is your oyster – you can equip this Slash frameset with just about any build you can dream of - Its high-pivot suspension gives you insane control for hairy descents, while carefully tuned anti-squat and oversized pulleys make pedaling astonishingly efficient - You have full control of your ride feel with suspension progression adjustment and optional adjustable angle headset cups - You get the flexibility to roll with either an MX 29in front and 27.5in rear-wheel or go true 29er - Internal frame storage means you've always got your tools, flat kit, and snack at hand

Fuel EX C is the ideal start for a dream trail bike with a full OCLV Mountain Carbon frame that has 130mm of rear travel with a Fox Performance RE:aktiv Thru Shaft shock. Build it up light and fast or make it a beefy bruiser that's ready for some extra chunk. It's up to you. WHY YOU'LL LOVE IT - A full OCLV Mountain Carbon frame makes for a ride that's light on the climbs and trail-tough on rough descents - RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control - This bike is perfect for shredding singletrack, hitting drops, and pushing your limits in multi-stage and marathon events - A sleek internal storage compartment gives you a versatile spot to stow tools and gear - We expanded our size range from XS through XL to ensure a better fit for all riders IT'S RIGHT FOR YOU IF… You're after your own version of a holy grail mountain bike build. You know how you want to ride, and you know which parts you need to do it. You want the best all-around trail bike frame we offer because you know that a great build starts with a great frame. THE TECH YOU GET A full OCLV Mountain carbon frame with internal storage, 130mm of travel and Mino Link adjustable geometry, and a FOX Performance Float shock with Trek's efficient RE:aktiv with Thru Shaft damper. Built for a PF92 bottom bracket and a 140mm fork. THE FINAL WORD A full OCLV Mountain Carbon frame and FOX Performance shock give you a major head start on a build that will be the envy of all other trail bikes. It's the best all-around option for riders who want a single versatile, high-performance ride that rips it up on every trail.

Supercaliber Frameset is built with light-yet-tough OCLV Mountain Carbon and our exclusive IsoStrut integrated shock for a cross country race bike that's insanely fast and capable. Pair it with a 100mm fork and your favorite parts spec for a field-leading build that'll crush even the toughest courses. - Supercaliber is a World Cup-worthy bike that’s quick, capable of soaring through techy terrain, and nearly as light as a hardtail - Our exclusive IsoStrut shock provides tunable, damped suspension for a smooth and efficient ride - Pivotless seat stays save on weight and actively bend to help soak up trail chatter

Procaliber AL Frameset is a race-worthy cross country mountain bike with the unique advantage of IsoSpeed, a decoupler at the top tube/seat tube junction that provides additional compliance on rough trails. This Alpha Platinum Aluminum frameset is a wallet-friendly start to a lightweight XC build for your fastest singletrack rides ever. It's right for you if... You like to go fast, and also love the idea of a hardtail with frame tech designed to take the edge off rough singletrack. Speed is your main consideration, but comfort is right up there, too. The tech you get A lightweight Alpha Platinum Aluminum frame with IsoSpeed, a tapered head tube, and internal derailleur routing. Procaliber AL Frameset includes a headset and is designed for a PF92 bottom bracket, post-mount disc brakes, and Boost148 wheels. The final word Procaliber AL is a lightweight aluminum mountain bike frameset built in Trek's trail heritage. It's fast, responsive, and it comes in at a great value, but the biggest advantage is the trail-smoothing IsoSpeed decoupler, which takes the edge off fatiguing bumps in the trail so you can stay stronger longer. Why you'll love it - The IsoSpeed decoupler makes it ride smoother than any other hardtail, so your body doesn't get beat up by trail chatter - Internal cable routing extends the life of your cables and adds to the bike's sleek look - This Alpha Platinum Aluminum frame is race-light and trail-tough Wheel size: Sizes X-Small–Small: 27.5-inch Sizes Medium–XX-Large: 29-inch

1120 Frameset is a bikepacker's dream, ready to be built up as your ultimate all-terrain touring bike. This bike is made for exploring the most extreme backcountry destinations in the farthest reaches of the world, and it's great for fast overnight bikepacking trips and sub-24s, too. It's right for you if... You want to build up a ride for bikepacking and off-road touring in places other bikes simply can't take you. You’re looking for a lightweight and sturdy frame that's purpose-built for hauling all your gear anywhere you wanna go. The tech you get A Stache-inspired Alpha Platinum Aluminum frame with an adjustable rear Stranglehold Dropout that makes it easy to dial in your geometry and convert to singlespeed, a carbon fork, mounts for our proprietary 1120 rack system, and internal derailleur and dropper post routing. Comes with a headset and front and rear thru-axle skewers. The final word Every part of 1120 Frameset is designed for better bikepacking and built to take on the burliest trails you can find. Spec it how you like and build up your ideal rig for epic adventures. Why you'll love it - So many mounting features let you set up your ideal expedition ride as you see fit - The available 1120 rack and harness system makes it easy to secure the 8L bags dry bags of your choice in the rear rack and additional bags up front for the best packing balance - It's also an awesome mountain bike—if you're looking to shred, pull off your gear and racks and it's every bit as capable as our award-winning Stache

Farley AL is a high-value platform for your fat bike build. This lightweight Alpha Aluminum fat bike frameset has the ride characteristics of a traditional trail bike, with all the monster truck capability that comes with fat bike tires. Includes carbon fork. Built to accommodate 26x5" or 27.5x4" wheels. It's right for you if... You're looking for a light, strong, alloy fat bike frame with a trail-optimized geometry for stability and responsiveness on any trail in any season. The tech you get A lightweight Alpha Platinum Aluminum frame with adjustable horizontal sliding dropouts, suspension-corrected OCLV Carbon Bontrager Haru Pro fork, and FSA headset. Rear thru axle dropout is 197mm, fork thru axle dropout is 15x150mm. The final word High-value fun in any season. Farley AL is fast, fun, and capable, and you're getting a great jumpstart on your build with an included Bontrager carbon fork. Why you'll love it - If you were under the impression that fat bikes were sluggish, this bike will change your mind - It's a four-season freedom machine that lets you ride outside all year long - You can run your choice of wheels with 26x5" or 27.5x4" tires

Slash C Frameset is the ultimate starting point for your dream enduro race sled. Trail-tough OCLV Mountain Carbon tubes pair with 29-inch wheels to gobble up gnarly rock gardens, and Trek's exclusive RE:aktiv with Thru Shaft shock, and a Knock Block 2.0 integrated headset make it the ideal enduro frame for fast rides on gnarly trails. - RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control - A large internal storage compartment in the down tube lets you stow tools and gear - Mino Link lets you adjust the geometry, so you get both an enduro race bike and an ultra-capable trail bike in one - New, removable Knock Block has a bigger steering angle to keep cables and hoses safe without sacrificing turning radius - We added a second down tube guard to better protect your frame from shuttle-related damage

Session AL frameset gives you an awesome foundation for building up your ideal downhill machine. The new high-pivot suspension design keeps you nimble, planted, and blazing fast on even the most punishing runs, and burly alloy construction rolls with the punches on gnarly and technical trails. - New suspension layout with a high pivot and idler pulley increases traction, carries more speed, and reduces pedal kickback for more stability - Virtually zero pedal kickback means you’ll stay confidently planted and in control during descents—especially when landing jumps or drops - The high pivot design delivers a more efficient rearward axle path so you’ll carry more speed and your wheel won’t get hung up on obstacles - Adjust your suspension progression by flipping the lower shock mount chip—20% for plush park rides, 25% for racing efficiency - Our new DH sizing system is based on reach, not rider height, which is the most important factor in a great downhill bike fit

Farley AL is a high-value platform for your fat bike build. This lightweight Alpha Platinum Aluminum fat bike frameset has the ride characteristics of a traditional trail bike, with all the monster truck capability that comes with fat bike tires. Plus, you get tons of mounts for adding accessories like racks, fenders, and gear cages. - All the mounts make it easy to add accessories and customize Farley for how you want to roam. - It's a four-season freedom machine that lets you ride outside all year long. - You can run your choice of wheels with 26x5" or 27.5x4" tires.

Slash AL Frameset is the perfect platform for a fast 29er enduro or trail bike build. With a burly Alpha Aluminum frame, Trek's exclusive RE:aktiv shock, and a Knock Block 2.0 integrated headset, you have all the bones for a mountain bike that can handle everything from the biggest all-mountain descents to the most competitive enduro races. It's right for you if... You want a high-value head start on your enduro build and the kind of trail tech that comes only from a long heritage of all-mountain riding. You like to go fast, go big, and rail corners, and you're looking for a big bike that will stand up to whatever wild trails you can find. The tech you get A burly Alpha Platinum Aluminum frame with Control Freak internal routing, 160mm of travel with a RockShox Super Deluxe Select+ shock with plush DebonAir spring and Select+ damper, a 35mm Bontrager Line stem, and an integrated Knock Block 2.0 headset that stops spinning bars and the fork crown from hitting your frame. Built for 29er wheels and a 170mm or 180mm fork. The final word With Slash AL Frameset, you're getting a whole lot of capability for your money and a great start on a bike that can handle the burliest trails out there. Whether you're racing or looking to get sendy, this burly frameset will stand up to whatever you throw at it. Why you'll love it - It's equally at home between the tape and in the rugged wild—Yes, Slash is a race bike, but it's ridiculously fun on gnarly trail rides, too - A large internal storage compartment in the down tube lets you stow tools and gear - Mino Link lets you adjust the geometry, so you get both an enduro race bike and an ultra-capable trail bike in one - New, removable Knock Block has a bigger steering angle to keep cables and hoses safe without sacrificing turning radius

Fuel EX C is a carbon mountain bike frameset built for high-performance rides on a variety of trails. The best in Trek trail bike frame tech, a full OCLV Mountain Carbon frame, and 130mm of rear travel with a FOX Factory shock make Fuel EX C the ideal start for a dream trail bike or endurance race bike that's burly enough to go big on gnarly descents but quick enough to fly through the local singletrack circuit. It's right for you if... You're after that one holy grail mountain bike build that lets you power through flowy singletrack, hit gnarly descents and drops, and even compete in marathon races. You want the best all-around trail bike frame we offer, because you know a high-quality frame is the ticket to faster, bigger rides. The tech you get A light and stiff full OCLV Mountain Carbon frame, a FOX Performance shock with Trek's exclusive RE:aktiv damper, and an included Bontrager Line stem and Knock Block headset that prevents damage to the frame from spinning handlebars and fork crowns. Built for a PF92 bottom bracket and a 140mm fork. The final word A full OCLV Mountain Carbon frame and FOX Factory shock give you a major head start on a build that will be the envy of all other trail bikes. Fuel EX C is a frameset that excels in all-mountain riding, and it's the best all-around option for riders who want a single versatile, high-performance ride that rips it up on every trail. Why you'll love it - A full OCLV Mountain Carbon frame makes for a ride that's light on the climbs and trail-tough on rough descents - RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control - This bike is perfect for shredding singletrack, hitting drops, and pushing your limits in multi-stage and marathon events - A sleek internal storage compartment gives you a versatile spot to stow tools and gear - We expanded our size range from XS through XL to ensure a better fit for all riders

Fuel EX C is a carbon mountain bike frameset built for high-performance rides on a variety of trails. The best in Trek trail bike frame tech, a full OCLV Mountain Carbon main frame and stays, and 130mm of rear travel with a FOX Factory shock make Fuel EX C the ideal start for a dream trail bike that's burly enough to go big on gnarly descents but quick enough to drop XC riders on the local singletrack circuit. It's right for you if... You're after that one holy grail mountain bike build that you can ride on any trail with any ride partners, from XC racers to all-mountain shredders. You want the best all-around trail bike frame we offer, because you know a high-quality frame is the ticket to faster, bigger rides. The tech you get A lightweight OCLV Mountain Carbon frame with full carbon stays, 130mm of travel, and Mino Link adjustable geometry. Includes a FOX Factory shock with Trek's exclusive RE:aktiv with Thru Shaft damper, Bontrager Line Pro stem, and Knock Block headset that prevents damage to the frame from spinning handlebars and fork crown. Built for PF92 bottom bracket, 29-inch or 27.5+ wheels, and a 130mm or 140mm fork. The final word A full OCLV Mountain Carbon frame and FOX Factory shock give you a major head start on a build that will be the envy of all other trail bikes. Fuel EX C is a frameset that excels in all styles of mountain biking, and it's the best all-around option for riders who want a single versatile, high-performance ride that rips it up on every trail. Why you'll love it 1 - A full OCLV Mountain Carbon main frame a stays make for a ride that's light on the climbs and trail-tough on rough descents 2 - RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control 3 - It doesn't box itself into a category: Fuel EX brings trail bike plushness with an XC race bike feel for our most versatile mountain bike whip 4 - It's great for riders who don't want to do just one kind of mountain biking, but want to explore everything from XC marathons to epic descents 5 - Internal cable routing and Control Freak Cable Management make it easy to spec with quality trail bike tech, like a dropper post

Ticket S is a slopestyle mountain bike frame built for big tricks, big jumps, and a whole lot of style. Lightweight Alpha Platinum Aluminum and 100mm of rear travel with a FOX shock make it both durable and agile. It's the frame of choice for Trek C3 Project riders, and for good reason: they've built it over years of refinement and collaboration with our designers. It's right for you if... You want to hit jumps like the Trek C3 Project riders. You've got an appetite for the tricky stuff and want a flickable ride that's forgiving enough for hard landings. The tech you get Durable yet lightweight Alpha Platinum Aluminum with Mino Link adjustable geometry, 100mm of rear travel with a FOX Performance Flat SV shock to soak up big landings, and features inspired by Trek C3 Project riders like water bottle bosses on the down tube for shifter mounts and a bottom bracket bolt to keep the crank from spinning while you're in the air. The final word Get it if you want a slopestyle whip you can throw around on big jumps. It's at home in the air, and built in collaboration with the best slopestyle riders in the world: the Trek C3 Project. Why you'll love it - This bike has won every major slopestyle comp, several times over - Mino Link lets you make small adjustments to your geometry quickly and easily, even mid-ride - A tapered headtube, pressfit bottom bracket, and 142x12mm rear dropouts are ready for your dream build

Trek's Slash Carbon Frame is built to dominate: the mountain, gravity, your limits, the guy with #1 on his number plate. Throw it down the most technical descents, fly back up. And win. This tough, lightweight OCLV carbon frame is designed around 27.5-inch wheels and an enduro-optimized geometry, so you can roll fast, go big, and keep progressing. A RockShox DebonAir shock and Full Floater linkage gives you a coil feel with the weight of air, while the Mino Link adjustable geometry lets you fine tune your ride. Trek's Active Braking Pivot keeps that suspension active when you're on the brakes for smooth, steady control. And, internal routing keeps all those derailleur and dropper post cables out of sight for a clean look.

Fuel EX C is the ideal start for a dream trail bike with a full OCLV Mountain Carbon frame that has 130mm of rear travel with a Fox Factory RE:aktiv Thru Shaft shock. Build it up light and fast or make it a beefy bruiser that's ready for some extra chunk. It's up to you. - A full OCLV Mountain Carbon frame makes for a ride that's light on the climbs and trail-tough on rough descents - RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control - This bike is perfect for shredding singletrack, hitting drops, and pushing your limits in multi-stage and marathon events - A sleek internal storage compartment gives you a versatile spot to stow tools and gear - We expanded our size range from XS through XL to ensure a better fit for all riders