Mountain

Equipped to handle anything — embrace paved roads, paths, and dirt trails with confidence and style. Versatility With Liv’s Purpose Driven Design, relaxed style, and lightweight ALUXX-Grade aluminum frame, Bliss is ideal for city roads or around town trails. Perfect Fit The LivRight Sizing Philosophy ensures the best fit for women for a truly comfortable ride. Smooth Handling A front suspension fork provides the perfect balance of capability and ease. Why We Love It Designed to bring the best of both road and mountain worlds together. Bliss delivers front suspension, on a 26-inch or 27.5-inch wheel size for stability with great traction from wider tires, and a relaxed riding position that keeps you more upright and comfortable in the saddle. Pedal efficiency, super lightweight design, and a sleek setup makes commuting and adding miles to your ride a breeze. Liv’s 3F Design Philosophy lets us create bikes that are specifically tuned for female riders, balancing riders properly over the bottom bracket and ensuring they get the most confidence-inspiring position. Integrated dropouts allow you to install a rack or add a kickstand to transform the bike into a capable commuter or weekend adventurer.

From parkways to paths, paved roads or dirt, this versatile flat-bar bike can help you reach new fitness goals or add some spice to your daily commute. KEY PERFORMANCE FACTORS All-terrain versatility With a mountain bike style flat handlebar, suspension fork and disc brakes, you can ride road or dirt with confidence. Lightweight and durable Frameset constructed with high-quality ALUXX aluminum. Comfort and stability Frame geometry puts the rider in a position that balances efficiency with stability on rough roads, paths or trails. Wheel size: Sizes XX-Small – X-Small: 26-inch Sizes Small – X-Large: 27.5-inch

From parkways to paths and everything in between, this versatile bike can add some spice to your commute or fitness routine. With its flat handlebar, upright positioning, and suspension fork, you’re free to ride different types of terrain with confidence and control. With a rugged personality and a smooth riding style, ATX features the familiar flat handlebar look of a traditional mountain bike. It has a lightweight yet durable ALUXX aluminum frame and a suspension fork with 100mm of smooth travel to soak up bumps. The wheel diameter varies based on bike size, with 26-inch wheels on smaller frames and 27.5 on larger ones. This tailors the bike’s handling to a rider’s height. Powerful brakes deliver confident handling in all types of weather, and integrated mounts make it easy to add racks or fenders to suit your riding adventures. All-terrain versatility With a mountain bike-style flat handlebar and suspension fork, you can ride road or dirt with confidence. Lightweight and durable Frameset constructed with high-quality ALUXX aluminum. Comfort and stability Frame geometry puts the rider in a position that balances efficiency with stability on rough roads, paths, or trails.

From parkways to paths, paved roads or dirt, this versatile flat-bar bike can help you reach new fitness goals or add some spice to your daily commute. KEY PERFORMANCE FACTORS All-terrain versatility With a mountain bike style flat handlebar, suspension fork and disc brakes, you can ride road or dirt with confidence. Lightweight and durable Frameset constructed with high-quality ALUXX aluminum. Comfort and stability Frame geometry puts the rider in a position that balances efficiency with stability on rough roads, paths or trails.

Modern mountain bike trails are fun, flowy and challenging. This full-suspension 29er gets you in sync with the terrain, so you can ride with more confidence and have more fun. The lightweight and durable ALUXX aluminum frame features our FlexPoint rear suspension system for a smooth, balanced ride that keeps you in control. It gives you 120mm of smooth suspension travel in the rear and 130mm up front. Combine that with the added stability of 29-inch wheels and you get a confident ride to help you crush challenging descents and climb with greater traction and speed.

Push the pace on climbs, let loose on the descents. This aluminum hardtail gives you a feel for the trail with balanced, confident handling and a plush suspension fork. Built on a lightweight ALUXX aluminum frame that features classic hardtail design and the balanced riding characteristics of either larger diameter 29-inch or 27.5-inch wheels, Talon is a great choice for XC and trail riding. The frame geometry is specifically designed to adapt to its respective wheel size and either an 80mm or 100mm suspension fork (depending on frame size). It's a confident ride that's perfect for ambitious riders who want to take their off-road skills to the next level. Wheel size: - Size X-Small: 27.5-inch - Sizes Small – Medium: 27.5-inch or 29-inch - Sizes Large – XX-Large: 29-inch

PUSH THE PACE ON CLIMBS, LET LOOSE ON THE DESCENTS. THIS ALUMINUM HARDTAIL GIVES YOU A FEEL FOR THE TRAIL WITH BALANCED, CONFIDENT HANDLING AND A PLUSH SUSPENSION FORK. KEY PERFORMANCE FACTORS Proven alloy performance ALUXX aluminum frameset is hand-built in-house by the world leader in aluminum engineering. Balance and stability Frame geometry is designed to optimize the balance and roll-over capabilities of 29-inch wheels or the liveliness of 27.5-inch wheels (depending on frame size). XC control Suspension fork offers either 80mm or 100mm of smooth travel for added XC control. Wheel size: Sizes X-Small – Medium: 27.5-inch Sizes Small – X-Large: 29-inch

Float through rock gardens, hit the jumps, and find the faster line. With quick-handling 27.5 wheels and adjustable frame geometry, this lively trail bike is a party on wheels. Built for those who favor the responsive, agile handling of 27.5 wheels, this trail ripper features flip chip that lets you adjust the frame geometry for riding style and terrain. You can choose a steeper or slacker headtube angle and either a 20mm or 30mm bottom bracket drop. The ALUXX SL aluminum frame is fitted with updated Maestro rear suspension featuring 145mm of smooth, active rear travel. A trunnion-mount shock and Advanced Forged Composite rocker arm help soak up bumps, giving you traction and control to float through rocks, roots and ruts. Confidence is further bolstered by a 160mm travel suspension fork up front.

Chunky rock gardens, gnarly roots and steep, technical climbs. The all-new Trance X 29 is for those who consider the hardest section of trail their favorite part of the ride. With longer suspension travel and adjustable geometry, this aluminum trail slayer delivers hard-charging singletrack fun. Engineered to help you ride faster and smoother on the toughest trails, this all-new 29er has a lightweight, strong and stiff aluminum chassis with 29er-specific geometry and a plush ride thanks to its advanced new suspension setup. Longer travel Maestro suspension delivers 135mm of active rear travel that pairs perfectly with a 150mm fork. The Advanced Forged Composite rocker arm has a flip-chip that allows you to adjust frame geometry and tailor the bike’s handling to your riding style and terrain. Choose steeper or slacker headtube/seattube angles and either a 30mm or 40mm bottom bracket drop to adjust the handling for your riding style and terrain. It’s all built around 29-inch wheels and lots of clearance (up to 2.5-inch tires) for maximum control on rugged trails. 29er confidence and control 29-inch wheels roll over rough terrain with balance and stability, giving you more momentum for technical climbs and the confidence to fly on fast, rugged singletrack descents. Added clearance for up to 2.5-inch tires. Progressive suspension New Maestro rear suspension features a trunnion mount shock with a longer stroke and smoother feel. With 135mm of full rear-wheel travel (and 150mm up front), it features a two-position adjustable Advanced Forged Composite flip-chip equipped upper rocker arm for increased stiffness and strength plus lower overall frame weight. Adjustable frame geometry Lightweight ALUXX-SL frameset features adjustable geometry that offers 66.2 or 65.5-degree headtube and 77.9 or 77.2-degree seattube angles, resulting in 30mm or 40mm bottom bracket drop options for aggressive trail configurations.

The Laguna is a great introduction into the world of mountain biking. - 6061-T6 Aluminum Frame for a high strength-to-weight ratio - 80mm suspension fork for trail riding fun and street riding efficiency

Bike Paths, Dirt Roads and Around the Block - 80mm Suspension fork to soak up the cul de sac pot holes - V-Brakes for affordable stopping power - Hi-ten steel frame for comfort and durability

The Purest Form of Racing. A whole new breed of XC Hardtail, purpose built to hurt 'em on the ups, drop 'em on the downs and propel you straight to the top step. Where it thrives Between the tape What it's built for Speed, Efficiency, and Endurance Highlights - Progressive, superlight carbon frame / RockShox SID SL Select+ 100mm fork - Shimano SLX 12-speed group / Shimano M6100 disc brakes - Stan's NoTubes Crest MK4 rims / Cannondale C2 carbon post / Cannondale Wheel Sensor Confidence on edge No hesitant, fistful-of-brakes descending here. The ultra slack, 66.5° front end gives you the stability and control you need to really open it up on the downhills. Brake later. Corner harder. Pass on the descents. Stay centered Scalpel HT's Proportional Response size-specific chainstays and steep seat angle keep you balanced between the wheels for better traction and power on the ups, and more confident control on the downs. Drop the chatter Sculpted flex zones in the chainstays partner with dropped seatstays to eat up the chatter from rowdy terrain, boosting control, smoothing the ride, minimizing fatigue. Go harder. Go faster. Go farther.

Level Up. A mountain bike built to raise your game and ignite a passion for the trail. Designed for the mountains and ready for anything. Where it thrives Low-impact trails, gravel roads, leisurely ride What it's built for Handling, durability Highlights - Light and durable SmartForm C3 Alloy frame - SR Suntour XCM suspension fork, 100mm travel - microSHIFT Advent X 10-speed shifting / Shimano hydraulic disc brakes

Level Up A mountain bike built to raise your game and ignite a passion for the trail. Designed for the mountains and ready for anything Where it thrives Low-impact trails, gravel roads, leisurely ride What it's built for handling & durability Highlights - Light and durable SmartForm C3 Alloy frame - SR Suntour XCM suspension fork, 100mm travel. - Shimano 8-speed shifting with double chainring crank / Shimano hydraulic disc brakes SmartForm C3 Alloy Simple yet sophisticated aluminum construction yields a light, lively frame that outperforms anything in its class SAVE Micro-suspension Delivers a smoother, more controlled ride thanks to strategically engineered flex zones built into the frame's rear triangle Slack and Stable A slack 68 degree head angle creates exceptionally stable handling so that you can charge the descents with confidence Right-Sized Wheels The smaller sizes of Trail roll on 27.5" wheels, while the larger sizes come with 29" wheels to deliver the best blend of fit, fast and fun for every rider StraightShot Internal Cable Routing For an integrated look and easy maintenance, the shift and dropper post cables route cleanly through the StraightShot window in the down tube, while the rear brake line is secured outside the frame

Level Up. A mountain bike built to raise your game and ignite a passion for the trail. Designed for the mountains and ready for anything. Highlights - Light and durable SmartForm C3 Alloy frame - SR Suntour M3030 suspension fork, 75mm travel - 7-speed drivetrain w/ double chainring cranks / Tektro mechanical disc brakes Where it thrives - Low-impact trails, gravel roads, leisurely ride What it's built for - Handling, durability Wheel size: - Sizes X-Small – Small: 27.5-inch - Sizes Medium – X-Large: 29-inch

Level Up. A mountain bike built to raise your game and ignite a passion for the trail. Designed for the mountains and ready for anything. Highlights - Light and durable SmartForm C3 Alloy frame - SR Suntour XCT suspension fork, 100mm travel - Shimano 8-speed drivetrain w/double chainring crank / Shimano hydraulic disc brakes Where it thrives - Low-impact trails, gravel roads, leisurely ride What it's built for - Handling, durability Wheel size: - Sizes X-Small – Small: 27.5-inch - Sizes Medium – Large: 29-inch

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

The Karate Monkey features updated, progressive trail geometry, our custom trumpet tubeset, and Surly's Gnot-Boost rear dropout system. Available in a variety of colors, with multiple drivetrain and wheel size configurations. - 100% Surly Chromoly steel frame and fork; double-butted main triangle and 44mm headtube - The tubeset uses the same trumpet tubes found on Instigator 2.0 frame - Adjustable rear dropouts with 145mm Gnot-Boost spacing. Works with 142, 148 12mm thru, as well as 135mm w/ 10/12 washer - Internal dropper seatpost routing with 30.9mm seat tube ID - Clearance for 29 x 2.55" or 27.5 x 3" tires

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

The Karate Monkey Front Suspension bike features a Rock Shox 35 Gold RL A2 suspension fork with 140mm travel, and it's paired with a dropper post out of the box. Progressive trail geometry and Surly's Gnot-Boost rear dropout system deliver a versatile bike with the ability to swap hubs and wheel sizes. If you want to round-house kick some trail right in the face, the Karate Monkey is your sled. - 100% Surly Chromoly steel frame, double-butted main triangle and 44mm headtube - The tubeset uses Surly custom trumpet tubes for greater stiffness and durability - Adjustable rear dropouts with 145mm Gnot-Boost spacing. Works with 142 and 148 x 12mm thru, as well as 135mm w/ 10/12 washer - Rock Shox 35 Gold RL A2 suspension fork with 140mm travel - TranzX SP15 dropper post with stealth routing: 100mm travel on XS/SM; 120mm travel on MD/LG/XL - Clearance for 27.5 x 3" or 29 x 2.55" tires

Breaking the Mold with a 29er Bike 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. "Lean back, hang on, and ride that wild horse." -Thor - 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

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

Breaking the Mold with a 29er Bike 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. "Lean back, hang on, and ride that wild horse." -Thor - 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

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

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 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 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. - 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 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