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Mountain Frames

Trek Procaliber SL Frameset
$2,969.99
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
$3,999.99
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
$2,199.99
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 Session AL Frameset
$2,999.99
Session AL frameset gives you an awesome foundation for building up your ideal downhill mountain bike. The new high-pivot suspension design keeps you nimble, planted, and blazing fast on even the most punishing runs. It's right for you if... You spend your days putting in runs on the mountain, and even racing from time to time. You live for blazing fast descents, and want a solid, high-traction DH bike frameset you can spec with your choice of parts to create the DH bike of your dreams. The tech you get A burly alloy frame, 200mm rear travel with a FOX DHX shock. FSA Orbit headset includes adjustable fixed-angle cups. Can be run with 29" wheels, 27.5" wheels, or even mullet style with 29er in front and 27.5" in back. The final word A great foundation for your dream DH build. The new high-pivot suspension design delivers more traction, more speed, and virtually no pedal kickback. Why you'll love it - 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
Trek Supercaliber Frameset
$4,179.99
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
Trek Procaliber Frameset
$1,649.99
Procaliber frameset is a race-worthy carbon cross country mountain bike frame that's light, fast, and built to win. It has the unique advantage of IsoSpeed, a decoupler at the top tube/seat tube junction that gives you more compliance on rough trails for a smoother, faster ride. It's right for you if... In group trail rides and XC races, you lead the pack. You're looking for the performance edge that comes with a lightweight carbon frameset with exclusive IsoSpeed technology that smooths out trail chatter so you can stay stronger longer. The tech you get A lightweight OCLV Mountain Carbon frame with IsoSpeed, a tapered head tube, and internal control routing that's super easy to use. Procaliber frameset includes a Knock Block headset, and is designed for a 100mm fork, up to 2.4" wide tires and 1x drivetrains with up to a 36-tooth chain ring. Built for a PF92 bottom bracket, post-mount disc brakes, and Boost148 wheels. The final word A lightweight carbon mountain bike frameset built to perform in XC races and blazing fast group rides. It's nimble, quick on climbs, and responsive in and out of corners. Best of all, it delivers a massive advantage in speed and comfort with the trail-smoothing IsoSpeed decoupler. Why you'll love it - OCLV Mountain Carbon is race-light and trail-strong - The IsoSpeed decoupler makes it ride smoother than any other hardtail, so your body doesn't get beat up by trail chatter - New internal control routing is super easy to use thanks to built-in channels that guide your hose or housing easily through the frame - You get a Straight Shot downtube for extra-stiff, responsive handling without added weight, and a Knock Block headset that protects against spinning bars and fork crowns
Trek Slash AL Frameset
$2,419.99
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
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