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Mountain Frames

Trek 1120 Frameset
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
Trek Procaliber AL Frameset
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
Trek Procaliber SL Frameset
For fast XC riders and cross country mountain bike racers who want to cover a lot of ground fast, there's no better hardtail frameset than Procaliber SL. It's built with Super Light OCLV Mountain Carbon and delivers the unique trail-smoothing advantage of IsoSpeed, which takes the edge off fatiguing bumps in the trail so you can stay stronger longer. It's right for you if... You want to fly up climbs, rail the corners, charge through technical sections of trail, and win every sprint to the line. You have a dream XC build in mind, and you want to start with the lightest carbon hardtail frame we offer. The tech you get A superlight SL OCLV Mountain Carbon frame with Control Freak internal cable routing and trail-smoothing IsoSpeed. The Procaliber SL frameset includes a headset, and is designed for post-mount disc brakes and a PF92 bottom bracket. The final word Smoother. Lighter. Faster. Procaliber SL was built to win the XC game. The ultra-lightweight SL OCLV Mountain Carbon frame with IsoSpeed delivers serious performance for serious riders. Why you'll love it - This SL OCLV Mountain Carbon frameset is the ideal start to an obscenely lightweight cross country build - The IsoSpeed decoupler makes it ride smoother than any other hardtail, so your body doesn't get beat up by trail chatter - Control Freak Cable Management allows you to run any combination of cables exactly the way you want, while still giving you sleek looks and protecting your cables against unnecessary wear - Boost148 spacing on all frame sizes except S, which has a 142x12mm rear axle
Trek Session 27.5 Carbon Frameset
Going down? World Cup champion Session is built to win. An all-new OCLV Carbon frame, updated geometry, advanced air shock, and a stiffer chassis make this downhill race bike faster than ever. Session is the DH bike that excels on downhill's most brutal courses. Take on any terrain with our most advanced suspension and a geometry that can be dialed for every race. Key features: - Longer, more aggressive geometry keeps you attacking the whole way down - OCLV Mountain Carbon with Carbon Armor is downhill tough - Fine-tune your ride with Mino Link and an all-new adjustable headset system - Fast 27.5" wheels get you down the mountain first
Trek Session AL 27.5 Frameset
Session AL 27.5 frameset is a burly alloy downhill mountain bike frame that's equally at home between the tape and at the DH park. It's built for 27.5-inch wheels, with 210mm of travel and a FOX Performance VAN shock tuned by Trek Suspension Lab. It's right for you if... You're looking to build a rugged DH or park bike for the biggest trails out there, and want a 27.5-inch optimized frameset with exclusive trail tech, like adjustable Mino Link geometry, that can't be found anywhere else. The tech you get A burly Alpha Platinum Aluminum frame, an adjustable FOX Performance shock with 210mm of travel, integrated frame protection, FSA Orbit headset, and exclusive trail tech like ABP, Full Floater, and Mino Link. Built for 27.5-inch wheels. The final word This burly frameset is perfectly capable of taking on the roughest, fastest descents you can find, and it's equally at home in the park, too. The best DH frame tech, a stable geometry, and a quality shock give you a head start on your dream downhill rig. Why you'll love it 1 - 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 2 - Quality FOX Performance suspension and our ABP frame design keep you in control 3 - Race or get rowdy? This bike does both 4 - 27.5 wheels are great for flicking the bike around through the most technical trail
Trek Supercaliber Frameset
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. It's right for you if... You’re looking to build up a super light and capable cross country race bike. You know you want the efficient yet plush ride our IsoStrut shock provides, but you want to spec the rest with parts you've hand-picked to suit your preference. The tech you get An ultra-lightweight, full OCLV Mountain Carbon frame with 60mm of travel and Trek's exclusive IsoStrut Fox Performance shock designed specifically for Supercaliber. Plus, Control Freak internal routing and a Knock Block headset. The final word Supercaliber Frameset lets you build up a pro-level cross country race bike just the way you like it. The OCLV Mountain Carbon frame is lightweight and strong, and comes with our exclusive IsoStrut shock for efficient capability. Why you'll love it - 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 tuneable, damped suspension for a smooth and efficient ride - Pivotless seat stays save on weight and actively bend to help soak up trail chatter
Pivot Cycles Firebird 27.5 Frame
The Firebird is both an enduro bike that devours blazing descents and a technical climber that gains elevation astonishingly well. For enduro racers, the tough and light Firebird’s peerless climbing traction, descending capability, and instant acceleration make it the perfect choice for the steep, punishing courses of the Enduro World Series. Long days both up and down the mountain require a strong chassis that is light enough to make climbing fun. With that in mind, Pivot designed the Firebird around a bomber—yet ultra-light—full carbon frame featuring leading-edge carbon fiber materials and Pivot's proprietary molding technology. It features long and low geometry for a confident, stable stance, and ultra-short chainstays that make easy work of the tightest trails. For park riders, the Firebird has that nimble, snappy feel that encourages bold line choices yet allows you to stay in complete control at World Cup speeds. Firebird makes short work of technical downhill sections, while the dw-link suspension maintains pedaling efficiency when climbing. The Firebird features the Pivot Cable Port system, which offers easy, clean internal routing of shifters, brakes, and droppers and features large ports for quick and easy routing and service. Housing clamps at entry and exit points keep all your lines totally secure and quiet. Designed with high-performance, rugged riding in mind, the Firebird is the no-compromise, Holy Grail of long-travel mountain bikes.
Pivot Cycles Firebird 27.5 Frame Kit
The Firebird is both an enduro bike that devours blazing descents and a technical climber that gains elevation astonishingly well. For enduro racers, the tough and light Firebird’s peerless climbing traction, descending capability, and instant acceleration make it the perfect choice for the steep, punishing courses of the Enduro World Series. Long days both up and down the mountain require a strong chassis that is light enough to make climbing fun. With that in mind, Pivot designed the Firebird around a bomber—yet ultra-light—full carbon frame featuring leading-edge carbon fiber materials and Pivot's proprietary molding technology. It features long and low geometry for a confident, stable stance, and ultra-short chainstays that make easy work of the tightest trails. For park riders, the Firebird has that nimble, snappy feel that encourages bold line choices yet allows you to stay in complete control at World Cup speeds. Equipped with a burly Fox 36 Factory 170mm-travel fork, this bike makes short work of technical downhill sections, while the dw-link suspension maintains pedaling efficiency when climbing. The Firebird features the Pivot Cable Port system, which offers easy, clean internal routing of shifters, brakes, and droppers and features large ports for quick and easy routing and service. Housing clamps at entry and exit points keep all your lines totally secure and quiet. Designed with high-performance, rugged riding in mind, the Firebird is the no-compromise, Holy Grail of long-travel mountain bikes.
Pivot Cycles LES 27.5 Frame
Wickedly Fast. Ridiculously Fun. The LES 27.5 is a hardtail aficionado’s dream machine—an ultra-light chassis with BMX-like handling and the rollover advantage of bigger wheels, all in a snappy, fast-accelerating package to fit a wide range of rider sizes. It features new-school hardtail racing geometry with category-redefining short chainstays, allowing the bike to move over trails with a rare agility not often found in serious racing hardtails. With clearance for up to 2.6-inch-wide tires and designed to work with forks from 100–130mm travel, the LES 27.5 is equally at home on a twisting short track as it is through black-diamond terrain. It’s wickedly fun, hyper-capable, and ready for rapid-fire accelerations through rollers, berms, and jumps. The LES 27.5 is built on an ultra-light, ride-tuned carbon frame featuring leading-edge carbon fiber materials and Pivot’s proprietary hollow core internal molding technology. Specific frame features include the oversized box section downtube and bottom bracket area, tapered head tube, and seat and chainstay shaping designed to reduce rider fatigue and trail vibration. The design incorporates boost 110mm front and 148mm rear dropout spacing. Besides the added clearance for bigger tires, boost spacing allows you to take advantage of wider hubs for stiffer wheels and the most precise handling and responsiveness to rider input. Full-length internal cable routing via Pivot’s exclusive, easy-to-maintain Cable Port System keeps cables clean, quiet, and protected, and allows seamless integration of electronic drivetrains. The LES 27.5 is easily 2x and 1x gearing compatible. For those who love the simple functionality of 1x systems, the removable front derailleur mount offers an incredibly sleek, clean installation with almost no evidence of the un-needed hardware. With a racing pedigree that holds victories in professional races around the world, the LES 27.5 is built to excel.
Pivot Cycles LES 27.5 Frame Kit
Wickedly Fast. Ridiculously Fun. The LES 27.5 is a hardtail aficionado’s dream machine—an ultra-light chassis with BMX-like handling and the rollover advantage of bigger wheels, all in a snappy, fast-accelerating package to fit a wide range of rider sizes. It features new-school hardtail racing geometry with category-redefining short chainstays, allowing the bike to move over trails with a rare agility not often found in serious racing hardtails. With clearance for up to 2.6-inch-wide tires and designed to work with forks from 100–130mm travel, the LES 27.5 is equally at home on a twisting short track as it is through black-diamond terrain. It’s wickedly fun, hyper-capable, and ready for rapid-fire accelerations through rollers, berms, and jumps. The LES 27.5 is built on an ultra-light, ride-tuned carbon frame featuring leading-edge carbon fiber materials and Pivot’s proprietary hollow core internal molding technology. Specific frame features include the oversized box section downtube and bottom bracket area, tapered head tube, and seat and chainstay shaping designed to reduce rider fatigue and trail vibration. The design incorporates boost 110mm front and 148mm rear dropout spacing. Besides the added clearance for bigger tires, boost spacing allows you to take advantage of wider hubs for stiffer wheels and the most precise handling and responsiveness to rider input. Full-length internal cable routing via Pivot’s exclusive, easy-to-maintain Cable Port System keeps cables clean, quiet, and protected, and allows seamless integration of electronic drivetrains. The LES 27.5 is easily 2x and 1x gearing compatible. For those who love the simple functionality of 1x systems, the removable front derailleur mount offers an incredibly sleek, clean installation with almost no evidence of the un-needed hardware. With a racing pedigree that holds victories in professional races around the world, the LES 27.5 is built to excel.
Pivot Cycles LES Fat Frame
The Pivot LES Fat is the world’s most versatile big-tire machine. It's compatible with almost every wheel size available, from 26-inch to 27.5-inch Fat to 29er. The perfect wheel and tire combination? That’s always open to debate. But one thing is beyond dispute: No matter which wheel size you choose, your bike should handle great. Pivot's proprietary Swinger II dropout system guarantees that’s always the case, no matter which wheel and tire combination you use. The ingenious dropouts maintain ideal geometry via an indexed adjustment arc designed into the dropouts—the bigger the wheel and the more clearance you choose, the lower the bottom bracket. The LES Fat full carbon frame features a svelte top tube and seatstay shaping for comfort on long rides and epic adventures. The full carbon frame features leading-edge materials and Pivot's proprietary hollow-core, internal-molding process. This coveted technology enables Pivot to create an ultra-lightweight frame featuring the largest downtube in the category and a 132mm Press Fit BB for best-in-class power transfer. Additional frame details include the Cable Port System for clean and easy cable routing, three water bottle mounts, and a narrow Q-Factor for better pedaling ergonomics. The LES Fat frameset includes a Pivot-designed carbon, rigid fork that easily accommodates any wheel size with clearance to spare. This full carbon fork features 150mm dropout spacing—the same spacing as fat bike suspension forks, so you can use the same wheels with rigid and suspension forks. Looking for a bike that's ready for anything? The LES Fat is a four-season hardtail that can take you from singletrack to snow to sand with no compromises.
Pivot Cycles LES Frame
When Every Second Counts In a sport where success is measured in half seconds, racers are looking for every possible advantage—and that’s exactly what the Pivot LES provides. The LES combines incredible efficiency with the smoothness and trail tuning that the world’s best athletes need to outlast and outpace the competition. World Cup racers and XC enthusiasts seeking a hardtail option that excels on every kind of terrain love Pivot’s new-school racing geometry. A slightly slack head angle (69.3-deg when paired with a 100mm fork), low bottom bracket, tight wheelbase, and the improved rollover of its larger-diameter wheels give the LES every advantage while climbing, and make this hardtail far more capable while descending and cornering on technical trails. Specific frame features include the oversized box section downtube and bottom bracket area, tapered head tube, and meticulously engineered seat and chainstays. Combined, these features offer the best ride feel and significantly reduce athlete fatigue on even the longest courses. Efficiency freaks will love the extra power you can lay down with ultra-stiff Boost wheels, and the extra room between hub flanges improves ride feel and durability, especially on 29-inch wheels. The Cable Port System means that whether you choose to go the traditional shifting route or opt for Shimano’s Di2 system, all your cables, housing, wires, and batteries are neatly tucked away for the ultimate in weather and impact resistance, no matter what setup you choose. Compatible with 29 x 2.3-inch or 27.5 x 2.8-inch tires, and with the ability to run 1x, 2x, or singlespeed drivetrains, the LES is a world class XC hardtail with no shortage of versatility.
Pivot Cycles LES Frame Kit
When Every Second Counts In a sport where success is measured in half seconds, racers are looking for every possible advantage—and that’s exactly what the Pivot LES provides. The LES combines incredible efficiency with the smoothness and trail tuning that the world’s best athletes need to outlast and outpace the competition. World Cup racers and XC enthusiasts seeking a hardtail option that excels on every kind of terrain love Pivot’s new-school racing geometry. A slightly slack head angle (69.3-deg when paired with a 100mm fork), low bottom bracket, tight wheelbase, and the improved rollover of its larger-diameter wheels give the LES every advantage while climbing, and make this hardtail far more capable while descending and cornering on technical trails. Specific frame features include the oversized box section downtube and bottom bracket area, tapered head tube, and meticulously engineered seat and chainstays. Combined, these features offer the best ride feel and significantly reduce athlete fatigue on even the longest courses. Efficiency freaks will love the extra power you can lay down with ultra-stiff Boost wheels, and the extra room between hub flanges improves ride feel and durability, especially on 29-inch wheels. The Cable Port System means that whether you choose to go the traditional shifting route or opt for Shimano’s Di2 system, all your cables, housing, wires, and batteries are neatly tucked away for the ultimate in weather and impact resistance, no matter what setup you choose. Compatible with 29 x 2.3-inch or 27.5 x 2.8-inch tires, and with the ability to run 1x, 2x, or singlespeed drivetrains, the LES is a world class XC hardtail with no shortage of versatility.
Pivot Cycles M4X Frame
The M4X is the ultimate dual slalom, 4X, and short-travel dirt jump bike, with additional trail bike capabilities. The M4X rails berms and flows through corners—that's a given and proven by Bernard Kerr's King of Crankworx crown and Emilie Siegenthaler's dual slalom prowess. What is truly surprising, is that the same characteristics that make it inspire confidence in the air also make it an incredibly fun trail bike. It's exhilarating to shred a technical trail on an M4X with its razor-sharp, accurate handling and heroic "flickability". As Pivot's pro riders have said, "You can see a corner approaching, enter, and suddenly you've exited at double the speed." The M4X features DW-link suspension design with position-sensitive anti-squat, tuned for instant acceleration and superior control while railing corners and boosting jump faces. Frame details include additional cable routing for a dropper seatpost, ISCG 05 mounts, a 1.5-inch tapered head tube, and 142mm rear spacing with a 12mm through-axle for maximum frame stiffness. The M4X's perfect slalom geometry and careful attention to details deliver pure gravity delight.
Pivot Cycles Mach 4 Carbon Frame
Race Tested. Trail Proven. The Mach 4 Carbon offers the perfect balance of speed and nimble handling. This bike is a demon on any cross-country racecourse, proven in both the Olympics and on the World Cup circuit. With a bit more suspension travel than a traditional XC bike, mid-size 27.5-inch wheels, and a shorter wheelbase, the Mach 4 Carbon possesses a playfulness that makes it a blisteringly fast trail bike. The Mach 4 is constructed of a full carbon frame featuring leading-edge carbon fiber materials and Pivot’s proprietary hollow-core, internal molding technology. The frame accommodates tires up to 2.6-inch and features hassle-free, full-length internal cable routing that’s Di2 compatible and a fully redesigned rear triangle with increased stiffness. The confident handling is complemented by the 148mm BOOST rear hub spacing to provide instant response while maintaining rolling speed through even the roughest sections of a racecourse. The frame design features short chainstays, a spacious cockpit, and an incredibly stiff carbon chassis that enables you to thread the needle on particularly tight trails and tackle uphill technical challenges you’ve never dreamed of cleaning. However, it's when you're descending that the Mach 4 Carbon reveals its trail-bike chops. With ultra-stable geometry, a low BB height, and 115mm of dw-link suspension, you can unleash on technical features and square-edge hits with confidence and speed. As race courses evolve to be more and more technically challenging, Pivot’s next generation race/trail geometry is the answer to hitting everything just a little bit faster on every lap. And, the Mach 4 is available in either trail-oriented or XC racing-focused complete bike builds, each assembled to perfection to give you the best experience out on the trail. For racers, the ability to unleash on descents is matched only by the bike’s World Cup pedaling efficiency and power transfer. Whether it is time to cut loose on your favorite trail or crush the competition at your next race, the Mach 4 Carbon stands poised for speed.
Pivot Cycles Mach 4 Carbon Frame Kit
Race Tested. Trail Proven. The Mach 4 Carbon offers the perfect balance of speed and nimble handling. This bike is a demon on any cross-country racecourse, proven in both the Olympics and on the World Cup circuit. With a bit more suspension travel than a traditional XC bike, mid-size 27.5-inch wheels, and a shorter wheelbase, the Mach 4 Carbon possesses a playfulness that makes it a blisteringly fast trail bike. The Mach 4 is constructed of a full carbon frame featuring leading-edge carbon fiber materials and Pivot’s proprietary hollow-core, internal molding technology. The frame accommodates tires up to 2.6-inch and features hassle-free, full-length internal cable routing that’s Di2 compatible and a fully redesigned rear triangle with increased stiffness. The confident handling is complemented by the 148mm BOOST rear hub spacing to provide instant response while maintaining rolling speed through even the roughest sections of a racecourse. The frame design features short chainstays, a spacious cockpit, and an incredibly stiff carbon chassis that enables you to thread the needle on particularly tight trails and tackle uphill technical challenges you’ve never dreamed of cleaning. However, it's when you're descending that the Mach 4 Carbon reveals its trail-bike chops. With ultra-stable geometry, a low BB height, and 115mm of dw-link suspension, you can unleash on technical features and square-edge hits with confidence and speed. As race courses evolve to be more and more technically challenging, Pivot’s next generation race/trail geometry is the answer to hitting everything just a little bit faster on every lap. And, the Mach 4 is available in either trail-oriented or XC racing-focused complete bike builds, each assembled to perfection to give you the best experience out on the trail. For racers, the ability to unleash on descents is matched only by the bike’s World Cup pedaling efficiency and power transfer. Whether it is time to cut loose on your favorite trail or crush the competition at your next race, the Mach 4 Carbon stands poised for speed.
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