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Mountain

Surly Ogre Frameset
$675.00
If you’re like us, your bike needs will likely change by the day, week, month, or year. Surly's Ogre can get you to your job during the week, then way out of town on the weekend. The latest version of the Ogre has received some fantastic updates, including horizontal slotted dropouts with Gnot-Boost spacing, a tweaked non-suspension corrected geometry, and a beefier tire clearance — all in a 29er/27.5+ platform. Ride it any day of the week; it’s not sluggish on pavement or gravel and can also hold its own on singletrack. - Gnot-Boost spacing allows the use of 135mm QR hub, 142 x 12mm thru-axle, or 148 x 12mm Boost hubs. - Full-length Surly Trip Guide housing line guides for derailleurs and brakes - Two sets of bottle cage mounts - Disc and rim brake compatible with removable post cantilever pivots - Upper seatstay threaded barrels with mid- and low-blade fully threaded through-blade fork eyelets - Threaded holes for racks, fenders, and trailer mounting nuts - Rohloff OEM2 axle plate mounting slot - Tire clearance for 29 x 2.5” or 27.5 x 3”
Surly Pack Rat Frameset
$515.00
The Surly Pack Rat is designed around porteur-style racks and front-loading optimization, with a front cargo-specific design to eliminate steering issues. The fork features internal routing for generator hubs and rear frame dropouts to accommodate multiple drivetrain configurations. It’s an ideal choice for loaded commutes and bike trips with a lighter load, but also rides great when unloaded. - 100% Surly 4130 Chromoly frame, main triangle is double-butted; 1-1/8" threadless brazed Chromoly fork - Bosses front and rear for cantilever or linear-pull brakes, rack and fender eyelets at the dropouts, eyelets at the crown, and fully threaded through-blade fork eyelets for a front rack - Semi-horizontal dropouts with a derailleur hanger for geared or singlespeed drivetrains and/or wheelbase adjustability
Surly Karate Monkey 27.5+
$1,550.00
The venerable Karate Monkey. When it comes to mountain riding, this bike brings everything you need to the experience and more. It's shod with 27.5 x 3.00 terrain-clawing Dirt Wizards for max traction on singletrack thanks to an aggressive tread pattern and cushy, wide footprint. But there's more to this agile trail runner's set of shoes — thanks to generous frame clearance, you can drop a set of 29-inch wheels in with up to a 2.50-inch tire if you desire something with less bite and similar roll-over capabilities. And, with Surly's Gnot Boost rear dropout spacing, you can comfortably run any kind of mountain bike hub: 10 x 135mm QR, 12 x 142mm, or 12 x 148mm Boost will all work in the Karate Monkey frame. Wheel choices aside, Surly built the updated Karate Monkey with a nod toward modern trail-bike geometry and includes internal dropper post routing, two or three bottle mounts (depending on size), threaded fender eyelets, and all the braze-ons you've come to expect from Surly for attaching racks, cages, and bags galore. Running gear consists of SRAMS's rock-solid NX 1x11 drivetrain with full-length external housing and Level hydraulic disc brakes for reliability when you need it most. Throw on a 140mm suspension fork and this all-rounder turns into a serious trail slayer. For what seems like a simple bike at first glance, the Karate Monkey offers much, much more. Listen to the Monkey and lose yourself in its ways.
Surly Lowside
$1,200.00
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
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 Pugsley Frameset
$675.00
The Surly Pugsley may be the original fat bike, but this one is far from the original. Previously a great all-around fat bike, the Pugsley has been redesigned to be an ideal off-road touring and exploration rig. Surly lengthened the chainstays 12mm for stability when loaded and so your heels float effortlessly past panniers. The tweaked rear rack mounts on the dropouts let you center your rack over the wheel, despite the offset rear triangle. Those dropouts will take a 142 x 12mm thru axle if that's your schtick, but can also be used with 135 x 10mmm QR hubs with Surly's Adapter Washers. Pugsley brings back the 135mm-spaced offset fork, so you can run a front wheel with a spare cog or freewheel as a bail-out option to swap with the rear if your internally-geared hub freezes up in neutral or you smash your derailleur having too much fun. A plethora of three-pack mounts give you gear-hauling options aplenty, so go wild with your build. - 100% Surly 4130 chromoly frame, main triangle is double-butted; 1-1/8" threadless brazed chromoly fork - Four sets of Three-Pack Mounts (two on the fork, two on the downtube), a water bottle mount on the seat tube, and front and rear rack mounts - 142 x 12mm rear dropout (or 135 x 10mm QR with Surly 10/12 Adapter Washers) with Rohloff torque arm slot - 135mm-spaced fork with 17.5mm offset for wheel swappability - 26 x 4.8" tire clearance in frame (with drivetrain restrictions), 26 x 4.3" tire clearance in fork
Surly Ice Cream Truck Frameset
$750.00
From rocky and rutted out sand traps, log- and root-covered ribbons of twisty singletrack, and miles of powdery snow, the Ice Cream Truck can handle it all. It's been redesigned for 2019 with frame tweaks that push the ICT more toward a full-on trail bike: shorter chainstays and a longer front-center make it more agile on fast, technical terrain. Highlights include stealth dropper post routing, a threaded bottom bracket shell, and Surly's versatile Universal rear dropout which allows the use of 197 x 12mm thru-axles or 190 x 10mm QR. Whether you dig the all-purpose nature of the rigid setup or want to add a suspension fork for rowdier outings, this monster truck's ready to jam.
Surly Karate Monkey Frameset
$675.00
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 Wednesday
$1,550.00
The Wednesday is the result of over a decade of fat bike design experience distilled into one steely-eyed package. With Wednesday, Surly borrowed elements from some of their Trail and Touring models to create a whip that can truly handle anything you want. The frame features trail-ready geometry, 4.6" of tire clearance, and lots of cargo carrying capabilities. - 100% Surly 4130 CroMoly steel with 44mm headtube and internal dropper post cable routing - Frame is ED Coated for increased life expectancy - 1-1/8" straight steerer fork, 4130 CroMoly - 100mm Threaded BB shell - Universal cast dropouts accommodate thru-axle or quick-release standards
Surly Wednesday Frameset
$675.00
The Wednesday is Surly's all-terrain fat bike frame. The frame features trail-ready geometry, 4.6-inches of tire clearance, provides lots of cargo carrying capabilities and is suspension corrected for use with a 100mm suspension fork (sold separately). - 100% Surly 4130 CroMoly steel with 44mm headtube and internal dropper post cable routing - Frame is ED Coated for increased life expectancy - 1-1/8" straight steerer fork, 4130 CroMoly - 100mm threaded bottom bracket shell - Universal cast dropouts accommodate thru-axle or quick-release standards
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 Ticket S Frame
$1,549.99
You can get the same frame that you see McCaul, Semenuk, Rheeder, all those C3 guys win on! Trek's Ticket S is the 100mm-travel slopestyle bike that's dominated Crankworx, Red Bull contests and countless video segments and web edits. Up front, this burly aluminum rig is designed around a 100mm tapered fork and out back, Trek's ABP rear suspension pivots around a stiff 142x12mm through-axle. A Fox Float shock is tuned for jumping, handling big hits, popping off lips and slashing berms with velocity. The geometry is dialed: it busts out 360 tailwhips, supermans and backflips with a tight cockpit, super-short chainstays, a slack head tube and low standover. The Ticket S can't guarantee that you'll win the local jump jam, but we can guarantee that you'll good doing it.
Trek Superfly 26
$999.99
Kids' Superfly is a race-ready mountain bike inspired by Trek's super-fast adult Superfly. Quality trail components mean business, while the light, nimble frame keeps things fun. Superfly is THE bike for adventure-loving kids who are ready to meet challenging trails head on. Just don't be surprised when they pass you on the singletrack. Key Features - Race-tuned frame, inspired by Trek's super-fast adult Superfly - Frame, components, and riding position are singletrack ready - Fits right from the start, and will grow with the rider - Smooth disc brakes for capable, confident stopping
Trek X-Caliber Frameset
$499.99 - $549.99
Full of fast, built to last. Caution: X-Caliber will get you hooked. It packs all of Trek’s XC race hardtail experience into a light, fast bike that pairs the right wheel size with each frame size. Nothing beats the efficiency, simplicity, and straight-up fun of an X-Cal hardtail in 29er or 27.5". Great for XC racing, or simply shredding singletrack. - All-new lightweight Alpha Gold Aluminum frame delivers a phenomenal ride quality - Shorter chainstays and Boost141 hub spacing for increased agility and clearance for wider tires - Updated geometry and E2 tapered head tube for more confident handling - Sleek internal routing protects cables and accommodates dropper post upgrades
Trek Procaliber Frameset
$1,649.99
Key features - Smooth IsoSpeed decoupler: ride faster, stronger, longer - Boost148/110: stronger wheels, more tire clearance, shorter stays - OCLV Mountain Carbon frame is fast, light, and trail tough - Ride the fastest wheel that fits with Smart Wheel Size
Trek Full Stache 8
$3,699.99
Full Stache 8 is a full suspension 29+ trail bike with an oversized appetite for rugged backcountry riding. Sure-footed mid-fat tires, a 1x12 drivetrain, 130mm of front and rear travel, super short chainstays, and some ridiculously clever engineering make this 29+ trail bike the ideal rig for rugged singletrack and trail explorations into the unknown wild. - Mid-fat tires are sure-footed on technical singletrack, tricky descents, and whatever trail you'll find where other riders dare not roam. - The shifter-style, underbar remote dropper post lever is super intuitive and easy-to-use. - 29 x 3.0" tires give you the flotation of a fat bike with the speed and momentum of a fast-rolling 29er.
Trek Full Stache 8 Frameset
$1,999.99
Full Stache is a full suspension 29+ trail bike with an oversized appetite for rugged backcountry riding and trail explorations into the unknown wild. Build it up the way you want! We're giving you a head start with the Fox Float rear shock, a Bontrager 35mm stem, and a headset with Knock Block frame defense. Build it up exactly the way you want, for exactly your kind of adventure, but be sure to follow these requirements: minimum tire width: 29x2.6", recommended axle-to-race: 550mm (560mm/140mm travel max), maximum chainring size: 34 teeth.
Trek Police
$1,299.99
Police is a rugged patrol bike built exclusively for the men and women of law enforcement. Tough construction, quality components, and patrol-ready features like an included rack and kickstand make it a perfect extension of the uniform. - Quick release seatpost collar makes it easy to adjust saddle height for different riders - High-quality RockShox fork soaks up bumps on streets and trail alike, and it has a lockout feature for speed and efficiency on smooth pavement - Patrol-ready features like a kickstand and included rear rack
Trek Roscoe 8 Women's
$1,399.99
Roscoe 8 Women's is a trail hardtail for anyone looking to have some serious fun out in the dirt. Its 27.5+ mid-fat tires, 1x12 drivetrain, and 120mm suspension fork make it a blast on every trail, from packed singletrack to the loose stuff. It's a laid-back trail mountain bike dressed in a high-quality spec that's ready to party. It's right for you if... You want to have fun. You're searching for a playful trail bike with high-quality parts and plus-sized tires so that when you're out on the trail, the only thing you have to worry about is your face hurting from smiling too much. The tech you get Roscoe 8 Women's features a strong Alpha Gold Aluminum frame, confidence-inspiring 27.5+ tires mounted to Tubeless Ready Bontrager Line rims and a 120mm RockShox Solo Air fork with a TurnKey Hydraulic lockout. Plus, a dropper post, a SRAM NX 1x12 drivetrain, Shimano MT200 hydraulic disc brakes, and a saddle designed specifically for women. The final word High-quality components for high-quality trail days. It's all about fun, but it's also all about performance. With a 12-speed drivetrain hydraulic disc brakes, wide handlebars, and 27.5+ wheels, this bike takes trail riding shenanigans seriously. Why you'll love it - It's more fun to be a better rider: Roscoe is so stable and forgiving, it's like an instant ability upgrade - Even when the trail gets rough, the wide 27.5+ tires deliver more confidence, traction, and stability - The dropper post lets you lower your saddle on the fly so it's out of the way on descents - The RockShox Solo Air fork can easily be adjusted for a specific rider weight, and it's lighter than a coil spring - The NX Eagle drivetrain gives you a wider range of gears for easier climbing in a simple 1x set up
Trek Roscoe 7 Women's
$999.99
Key features - 27.5+ mid-fat tires provide extra traction and confidence on every trail - All-new Alpha Gold Aluminum frame blends the latest tech with light weight - Shorter chainstays and Boost141 hub spacing for increased agility and clearance for wider tires - Updated geometry and E2 tapered head tube for more confident handling
Surly ECR 27.5+
$1,900.00
The ECR is Surly's answer to those times when you just need to escape to the woods for a while to get away from the humdrum of life. Those familiar with this steel mule know it’s designed around plus tires, previously of the 29” variety. A fully loaded 29+ bike is an excellent way to explore and get away for a while… if you’re of a certain stature that is. For smaller riders, it poses several challenges though. And no one wants new problems when they’re in the woods trying to escape old ones. To solve this, Surly redesigned the smaller sizes of the ECR to work with 27.5+ while the larger sizes are still equipped with 29+. All you medium specimens out there get your pick of the litter as Surly's offering that size in both options. Other updates to the ECR include and are limited to: Gnot-Boost rear spacing and a killer new beige paint job. It retains the abundant accessory mounts that we all know and love like Surly Trip Guide for brakes and derailleurs, fender, rack, and Bill/Ted eyelets, and a Rohloff torque arm slot. The 27.5+ sizes also feature two sets of Three-Pack bosses. You’ve got lots of options to bring all your “necessities” with you and still have room for excess baggage if you’ve got it.
Surly ECR 27.5+ Frameset
$750.00
The ECR is Surly's answer to those times when you just need to escape to the woods for a while to get away from the humdrum of life. Those familiar with this steel mule know it’s designed around plus tires, previously of the 29” variety. A fully loaded 29+ bike is an excellent way to explore and get away for a while… if you’re of a certain stature that is. For smaller riders, it poses several challenges though. And no one wants new problems when they’re in the woods trying to escape old ones. To solve this, Surly redesigned the smaller sizes of the ECR to work with 27.5+ while the larger sizes are still equipped with 29+. All you medium specimens out there get your pick of the litter as they're offering that size in both options. Other updates to the ECR include and are limited to: Gnot-Boost rear spacing and a killer new beige paint job. It retains the abundant accessory mounts that we all know and love like Surly Trip Guide for brakes and derailleurs, fender, rack, and Bill/Ted eyelets, and a Rohloff torque arm slot. The 27.5+ sizes also feature two sets of Three-Pack bosses. You’ve got lots of options to bring all your “necessities” with you and still have room for excess baggage if you’ve got it.
Surly Big Fat Dummy
$3,025.00
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.
Surly Troll Frameset
$675.00
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 Bridge Club
$1,200.00
When your bike touring route takes you over the river and through the woods with a quick jaunt through town for supplies, you can't beat the versatility and smooth riding characteristics of Surly's new Bridge Club. First off, it's a Surly so you know the 'Natch chromoly steel frame and fork are built to handle your entire kit and caboodle, and thanks to the typical overabundance of rack and cage provisions you can mount your gear via traditional racks and panniers, go full bikepacking-style, or mix-up your favorite combo of the two. The Bridge Club rolls on plump 27.5 x 2.4-inch WTB Riddler tires for a blend of low rolling resistance on smooth pavement and confident handling on forest trails. You can also run up to a 2.8-inch wide tire for more flotation, or swap-in a 700c wheel and tire combo if your route includes a lot of on-road riding. A dependable 2x10 drivetrain ensures you'll never run out of gears as you make the push up long climbs, and mechanical disc brakes offer worry-free performance to keep you safe no matter what the weather brings. And, thanks to fully housed cabling and front and rear fender mounts, you can splash through soggy days with a smile. A comfortable Salsa Bend flat bar and WTB Volt saddle complete this relaxed all-terrain tourer.
Trek Slash C Frameset
$2,999.99 $3,699.99 19% Savings
Enduro weapon Slash is designed from the ground up to conquer the gnarliest enduros, in a 29"-optimized package that makes this mountain bike the undisputed king of the trail. Throw down on technical descents and fly back up the mountain. Slash dominates the most demanding trails, with 29" wheels on an aggressive, ultra-capable, lightweight carbon frame. - Revolutionary new RE:aktiv with Thru Shaft damper: the most responsive shock available - 150/160mm travel + 29er speed + low & long geo = enduro weapon - Boost148/110: stronger wheels, more tire clearance, shorter stays - Straight Shot stiffness, Knock Block frame defense
Trek Remedy 29 Carbon Frameset
$1,299.99 $3,299.99 61% Savings
Trek's original Remedy enhanced the skills of riders everywhere. Trek's OCLV-carbon Remedy 29 is here to smash enduro stages, big backcountry terrain, and your one buddy who thinks he's a downhiller. This 29er features 140mm of rear travel from a Fox Factory RE:aktiv shock to make it climb like an shorter travel bike, yet laugh off big hits and plow through chunder like a Remedy should. The carbon frame sports an E2 head tube and a 142x12mm rear end for point-n-slash precision and quick cornering. From the deep forests of Vancouver, to the red rocks of Sedona, to your favorite trail, this is the Remedy to any obstacle.
Trek Slash Carbon Frameset
$1,299.99 $3,499.99 63% Savings
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.
Trek Farley Carbon Frameset
$1,599.99 $1,999.99 20% Savings
From dunes to drifts, race to recreation, Trek's Farley lets you tackle anything, any time, for any reason. Fatten up this season. This OCLV carbon frame features a wide 197mm thru-axle that allows for tires up to 5" wide. The full-carbon Haru Pro carbon fork responds immediately to your input and carves with precision. This frameset wholeheartedly embraces versatility, too. It can accommodate a 26 x 5-inch set-up as well as 27.5 x 4-inch wheels, so you can dial your ride for your style of riding.
Trek Procaliber SL Frameset
$1,999.99 $2,499.99 20% Savings
In mountain biking's heyday, Procaliber was the envy of all other race bikes. Now it's back to rule the XC circuit once again, redefining the term “hardtail” and setting the bar for speed and smarts. Procaliber's IsoSpeed decoupler delivers uncompromising cross country performance, efficiency, and an incredible ride feel. It's the fastest, smoothest, smartest hardtail on the trail. Key Features - Smooth IsoSpeed decoupler: ride faster, stronger, longer - Boost148/110: stronger wheels, more tire clearance, shorter stays - SL frame saves 250 grams and has Control Freak internal routing - Ride the fastest wheel that fits with Smart Wheel Size