Mountain

Developed in conjunction with freeride legend Matt Jones and taking its name from the most rough and tumble piece of Marin County, the San Quentin collection lives up to the notoriety of the namesake maximum security California State Prison. Blending the strength an style of our Alcatraz dirt jump frame with the natural trail savvy of the best hardtails, the San Quentin family of aggressive trail hardtails is the perfect mash-up for the modern trail rider. TWO FRAME SIZES Newly updated for 2022, the Alcatraz is now offered in either short (385mm reach) or long (430mm reach) to better fit a wider range of riders. FUN, STRONG, AWESOME Usually in life you can't get everything you need, but with the Alcatraz dirt jumper you can – a fun, burly bike that will let you explore what is possible with two wheels. IF MATT JONES SAYS IT'S GOOD... What better way to know a product will perform than having it proven on the FMB World Tour by Matt Jones? Check out the Red Bull-produced "Frames of Mind" to see the Alcatraz proving its mettle.

The San Quentin is for the aggressive hardtail trail rider looking for a blend between singletrack capabilities and extended air time.

The San Quentin is for the aggressive hardtail trail rider looking for a blend between singletrack capabilities and extended air time. Developed in conjunction with freeride legend Matt Jones and taking its name from the most rough and tumble piece of Marin County, the San Quentin collection lives up to the notoriety of the namesake maximum security California State Prison. Blending the strength and style of our Alcatraz dirt jump frame with the natural trail savvy of the best hardtails, the San Quentin family of aggressive trail hardtails is the perfect mash-up for the modern trail rider.

The Wildcat Trail family crosses boundaries between Trail and Sport mountain bikes, with the Wildcat Trail 5 and Wildcat Trail 3 designed for the female hardtail enthusiast looking for a full featured trail mountain bike, and the Wildcat 1 positioned for the recreational mountain bikers.

The Bobcat Trail family of mountain bike hardtails are designed for the rider looking for a capable singletrack machine, featuring everything you need to have a great ride. The heart and soul of the ride stem from the lightweight, Series 2 aluminum alloy frame, which features long and low trail geometry and room for either 27.5" or 29" wheels. 120mm of rock garden-ready travel adds to the bike's trail capability and fun factor. All Bobcat Trail models feature internal cable routing, hydraulic disc brakes, and wide-range off-road specific drivetrains. - Series 2 6061 Aluminum frame - SR Suntour XCM HLO 120mm travel fork - Shimano Altus 2x8 drivetrain - Tektro M275 hydraulic disc brakes

The Bolinas Ridge is perfectly suited for recreational riders wishing to explore singletrack and dirt trails with a mountain bike built for real trails, with trail capable suspension forks and all-conditions disc brakes. Key upgrades over the Bolinas Ridge 1: - Shimano Altus 3x8 drivetrain - Tektro M275 hydraulic disc brakes - SR Suntour XCM DS fork Wheel size: - Sizes X-Small – Medium: 27.5-inch - Sizes Medium – X-Large: 29-inch

The El Roy is the ultimate aggressive steel hardtail that’ll get you to the top, and then really shine on the way down, with a spicy mix of progressive geometry and supple steel. The classic robust yet forgiving character of chromoly steel meets modern-day long and slack geometry, a match as perfect as mountain biking and post-ride burritos. This new 29" wheel trail slayer was purpose-built for silly fun days in the woods, no matter the conditions. Use it as a back-to-the-roots, all-in-one trail slayer, or as that perfect "n+1 bike," on days when the full suspension bike stays at home in the shed. Named in honor of our favorite post-ride taqueria, the El Roy is overflowing in solid spec choices, all wrapped up with a stout Series 3 double-butted and formed CrMo frameset. Grab one of two frame sizes, Regular or Grande, and enjoy the delicious goodness that we've cooked up. TECHNOLOGY: SERIES 3 CRMO FRAME The El Roy is built on a stout Series 3 4130 CrMo frame with investment cast dropouts, integrated drop-in headset, external brake and hose mounts, all fully ED coated for longevity. GEOMETRY Gravity-oriented geometry, with a 63° headtube and 78° seattube angles, 44mm fork offset, and long reach measurements (Regular = 480mm, Grande = 510mm). TWO SIZES Regular and Grande frame sizes fit a wide range of riders, with included 150mm (Regular) or 170mm (Grande) dropper posts. INVESTMENT CAST DROPOUTS Custom investment cast CrMo 148x12mm Boost thru-axle drop outs provide strength and stiffness where you need it most. TOPTUBE STORAGE MOUNTS Bosses on the underside of the top tube give the rider the option to mount tools and other accessories in a tidy and secure fashion.

TRAIL MOUNTAIN BIKING The Wildcat Trail family crosses boundaries between Trail and Sport mountain bikes, with the Wildcat Trail 3 designed for the female hardtail enthusiast looking for a full featured trail mountain bike, and the Wildcat 2 and 1 positioned for the recreational mountain bikers. Key upgrades over the Wildcat Trail 1: - SR Suntour XCM DS fork - Shimano Altus 8-speed drivetrain - Clark's Hydraulic Disc Brakes TECHNOLOGY: WOMEN’S FIT GEOMETRY The Wildcat Trail features Women’s Fit Geometry to better fit female riders with components like women’s-specific saddles, narrower bars, and adjustable reach brake levers. 27.5" WHEELS 27.5" wheels fit most riders better and create a lightweight and responsive bike.

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 Specs: - Rear Dropout Configuration: Horizontal slotted with optional vertical dumpout - Rear Hub Spacing: 12 x 177mm (Surly axle included); 10 x 170mm with Surly 10/12 Adapter Washers (not included) - Front Hub Spacing: 15 x 150mm (Surly axle included) - Rear Brake: Disc - 51mm I.S. (203mm max rotor) - Front Brake: Disc - 51mm I.S. (203mm max rotor) - Head Tube: Ø44mm - Steerer Tube: Ø28.6mm (1-1/8") - Crown Race: Ø30mm (1-1/8") - Stock Headset Upper (S.H.I.S.): ZS44/28.6 - Stock Headset Lower (S.H.I.S.): EC44/30 - Front Derailleur (Clamp): High direct mount top-pull (Ø34.9mm) - Max Chainring (CL): 1x (Fat bike 170): 34T; 2x (Fat bike 170): 26/38T; 2x (Surly OD): 22/36T - Tire Clearance Frame: 26 x 4.3" (rear axle position); 26 x 3.8" (front axle position); 29 x 3.0" - Tire Clearance Fork: 26 x 5.25"; 29 x 3.0" - Rigid Fork Spec: 468 x 47mm - Max Suspension Fork Length: 511 x 51mm (Fatbike 100mm) - Bottle Mounts Frame: 2 Standard (XS - M); 3 Standard (L - XL) - Bottle Mounts Fork: 2 Three-Pack - Rack Mounts Frame: Yes (upper and lower threaded) - Rack Mounts Fork: Yes (upper, lower, and mid-blade threaded) - Fender Mounts Frame: Yes - Other Features: Internal dropper post routing compatible

The Wildcat Trail family crosses boundaries between Trail and Sport mountain bikes, with the Wildcat Trail 5 and Wildcat Trail 3 designed for the female hardtail enthusiast looking for a full featured trail mountain bike, and the Wildcat 1 positioned for the recreational mountain bikers. Key upgrades over the Wildcat Trail 1: - Series 2 aluminum frame w/double butted tubing & internal cable routing - SR Suntour XCM HLO fork w/120mm travel & hydraulic lockout - Tektro hydraulic disc brakes

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-inch tires, it's 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-inch straight steerer fork, Chromoly steel - 100mm threaded bottom bracket shell - Front and rear thru-axles, non-offset

Lowside is the bike that gets you across town for a quick rip on singletrack, then over to the bar for a night out. Your BMX Bike All Grown Up Lowside is like the grownup version of the bike you rode when you were a kid and still had hopes and dreams and some semblance of ambition. It's just as happy riding singletrack as it is parked outside your favorite drinking establishment. Lowside is a single speed mountain bike. Singlespeeding has been a part of Surly's DNA since day one when we launched the 1x1 Rat Ride. After a lot of Homie Fall Fests and more feats of strength than we can recall, we decided to discontinue it a couple years back. Lowside picks up right where the 1x1 left off. "Some have dubbed the Lowside the ultimate pub cruiser." - Modern trail standards: dropper post compatibility, 44mm headtube, Gnot-Boost rear spacing, thru-axles - Compatibility with most mountain bike standards makes it the perfect parts bin bike (no rim brakes allowed though) - Spec'd in alternating years with 26 x 3" or 27.5 x 2.8" tires, the Lowside remains capable of running either option

The Ogre can get you to your job during the week, then way out of town on the weekend. It’s not sluggish on pavement or gravel and can also hold its own on singletrack. Ogre brings several sensible features to the 29er platform, including horizontal slotted dropouts with Gnot-Boost spacing, a tweaked non-suspension corrected geometry, and a beefy tire clearance. - 100% Surly Chromoly steel, double-butted main triangle - TIG-welded, Horizontal slotted with derailleur hanger, Gnot-Boost spacing allows the use of 135mm QR hub, 142 x 12mm thru-axle or 148 x 12mm Boost hubs. Features Rohloff torque arm slot and threaded eyelets for fenders, racks and Surly trailer mounts - Full-length Surly Trip Guide housing line guides for derailleurs and brakes; two sets of bottle cage mounts; upper seatstay threaded barrels, 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 - Disc brakes only. Disc mounts are 51mm IS. Note: rear disc brake is limited to 160mm maximum rotor diameter and requires the use of Surly caliper adaptor (included with frames and bikes) - Frame is E.D. coated for increased life expectancy - Tire clearance for 29 x 2.5" or 27.5 x 3"

The Bobcat Trail is a capable mountain bike with modern trail geometry build for exploring singletrack trail systems. Best-in-class frames and solid, serviceable spec make the Bobcat Trail a solid choice for the recreational rider looking to step up to modern geo and step deeper into mountain biking, and for the experienced rider in search of an update that doesn't break the bank. Key upgrades over the Bobcat Trail 3: - MicroShift Advent 9 1x Drivetrain - WTB Trail Boss Comp tires Wheel size: - Sizes X-Small – Medium: 27.5-inch - Sizes Medium – X-Large: 29-inch

The Asura features a lightweight but tough Chromoly/steel frame, a 100mm travel fork, and a stacked list of Radio, RST, and Tektro components that make a fun and exciting 26" machine that you won't be able to put down. It's ready for serious all-terrain fun on the streets, jumps, and pumptracks.

Karate Monkey is a highly versatile trail bike that plays the part of 29er and 27.5+ equally well. Karate Monkey delivers a resilient, lively ride on all sorts of gnarly terrain. Its frame is a highly-versatile canvas for whatever dirty masterpiece your brain cooks up. According to our computing machine (Thor) it can be set up in approximately 487 different configurations. Originally designed as a 29er (and the frame that helped spark the 29" wheel movement), the latest Karate Monkey is designed to perform just as admirably as a 27.5+ rig as well. This allows you to pick your poison — provided your poison is having a really great time while permanently donning a huge grin, of course. - 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 2.5" or 27.5" x 3" tires

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

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

For those times when bigger is better, we offer a full range of 26" bikes that are ready for serious all-terrain fun. The 26" Fiend features a lightweight 6061-T6 alloy frame, a 100mm travel fork, and an 8-speed gear setup, making it perfect for both fun on the pump track and shredding in the streets. This is one fun and exciting 26" machine that you won't be able to put down.

Bianchi Cross Country mountain bikes are at home on all trail surfaces and combine control and comfort for a smooth and responsive ride on rough terrain.

Bianchi Cross Country mountain bikes are at home on all trail surfaces and combine control and comfort for a smooth and responsive ride on rough terrain.

El Roy combines the classic robust yet forgiving character of chromoly steel meets modern-day long and slack geometry, a match as perfect as mountain biking and post-ride burritos. This new 29" wheel trail slayer was purpose built for silly fun days in the woods, no matter the conditions. Use it as a back-to-the-roots, all-in-one trail slayer, or as that perfect "n+1 bike," on days when the full-suspension bike stays at home in the shed. Named in honor of our favorite post-ride taqueria, the El Roy is overflowing in solid spec choices, all wrapped up with a stout Series 3 double butted and formed CrMo frameset. Grab one of two frame sizes, Regular or Grande, and enjoy the delicious goodness that we've cooked up. Series 3 CrMo Frame - The El Roy is built on a stout Series 3 4130 CrMo frame with investment cast dropouts, integrated drop-in headset, and external brake and hose mounts, all fully ED coated for longevity. Geometry - Gravity-oriented geometry, with a 63° headtube and 78° seattube angles, 44mm fork offset, and long reach measurements. Investment Cast Dropouts - Custom investment cast CrMo 148x12mm Boost thru-axle dropouts provide strength and stiffness where you need it most.

Simply for shredding. All-new for 2021, the Minotaur is a dirt/pump track beast with a full 6061-T6 alloy frame for performance, as well as our own rigid chromoly fork for simplicity, speed, and style. By using a rigid fork, we were able to not only offer an easily upgradable bike with a pro-spec alloy frame for a much lower price but also create a bike that simply didn't exist yet. The Minotaur is a bike that's as fun to ride as it looks. With camo Radio Helix tires and a rigid fork, this is one lively bike design for nothing but fun!

Developed in conjunction with freeride legend Matt Jones and taking its name from the most rough and tumble piece of Marin County, the San Quentin collection lives up to the notoriety of the namesake maximum security California State Prison. Blending the strength an style of our Alcatraz dirt jump frame with the natural trail savvy of the best hardtails, the San Quentin family of aggressive trail hardtails is the perfect mash-up for the modern trail rider.

The Bobcat Trail is a capable mountain bike with modern trail geometry build for exploring singletrack trail systems. Best-in-class frames and solid, serviceable spec make the Bobcat Trail a solid choice for the recreational rider looking to step up to modern geo and step deeper into mountain biking, and for the experienced rider in search of an update that doesn't break the bank. Key upgrades from the Bobcat Trail 4: - Shimano Deore 1x 11-speed drivetrain - Shimano BR-MT200 hydraulic disc brakes - SR Suntour XCR32 Coil LOR DR fork w/ thru-axle Wheel size: - Sizes X-Small – Medium: 27.5-inch - Sizes Medium – X-Large: 29-inch

Bianchi Cross Country mountain bikes are at home on all trail surfaces and combine control and comfort for a smooth and responsive ride on rough terrain.

The Asura Pro uses our full Chromoly aftermarket dirt jump frame as a base and then injects a pro level parts upgrade in the form of a Manitou Circus Comp fork, Tektro hydraulic disc brake, and fully sealed Radio Pro DJ wheels. Perfect for blasting the trails, sessioning the skatepark, or even street missions, the Asura Pro is a bike that might just surprise you with how versatile it is.

The San Quentin is for the aggressive hardtail trail rider looking for a blend between singletrack capabilities and extended air time. Series 3 Aluminum Frame The San Quentin 2 and 3 feature Series 3 aluminum frames, with more advanced tube forming, more complex dropouts, post mount disc tabs, full internal cable routing, and a boost 148mm thru-axle. Dirt Jump Inspired Frame Style Taking cues from the Alcatraz, the San Quentin line up provides all the benefits of the DJ style with massive standover, slick frame tubes, and a sexy paint job. Modern Trail Geometry The slack head tube angle paired with a steep seat tube angle create a ride that will fly uphill with perfect front wheel precision but then descend like it's on rails. The balanced rider position thanks to the steep seat tube puts your weight between the wheels for impressive climbing and handling on flats, while the slack front end and short rear center help to pull you through the rough descents and corners with an intuitive feel. ISCG Tabs The San Quentin 2 and 3 models feature ISCG 05 tabs for easy chain retention device installation for rowdier riders. - Series 3 aluminum frame - RockShox Recon RL 130mm fork - Shimano Deore 1x11 drivetrain - Shimano BR-MT201 hydraulic disc brakes - TranzX dropper post

Modern XC races look like a fast day on the local singletrack, requiring a light and capable bike that can maintain speed and control on every part of the trail, up or down. The Team Marin blends the confidence and fun of a trail bike with a lightweight frame and parts that help you keep the speed up and the fun meter maxed. Series 4 Aluminum Frame The Team Marin features Series 4 aluminum frames, with advanced tube forming for minimal weight, 3D forged dropouts, flat-mount disc tabs, full internal cable routing, and a boost 148mm thru axle. Internal Dropper Post Routing The Team Marin frame includes internal routing in the front triangle for a clean, fast appearance, and allowing for Team Marin 1 owners to upgrade to an internal dropper post if they desire. Bridgeless Fastback Seatstays Slim fastback seatstays, without the bridge, give great tire clearance, as well as adding vertical compliance for long-ride comfort without sacrificing power transfer. 29" Wheels And 2.35" Tires For Maximum Speed 29" wheels and 2.35" XC tires ensure maximum grip and float over obstacles to maintain speed so you can pick up those personal records and keep ahead of the pack. - Superlight aluminum frame - RockShox Judy Silver TK 120mm fork - Shimano Deore 1x12 drivetrain - Shimano BR-MT201 hydraulic disc brakes

Lowside is the bike that gets you across town for a quick rip on singletrack, then over to the bar for a night out. Your BMX Bike All Grown Up Lowside is like the grownup version of the bike you rode when you were a kid and still had hopes and dreams and some semblance of ambition. It's just as happy riding singletrack as it is parked outside your favorite drinking establishment. Lowside is a single speed mountain bike. Singlespeeding has been a part of Surly's DNA since day one when we launched the 1x1 Rat Ride. After a lot of Homie Fall Fests and more feats of strength than we can recall, we decided to discontinue it a couple years back. Lowside picks up right where the 1x1 left off. "Some have dubbed the Lowside the ultimate pub cruiser." - Modern trail standards: dropper post compatibility, 44mm headtube, Gnot-Boost rear spacing, thru-axles - Compatibility with most mountain bike standards makes it the perfect parts bin bike (no rim brakes allowed though) - Spec'd in alternating years with 26 x 3" or 27.5 x 2.8" tires, the Lowside remains capable of running either option