Our most popular and versatile model, the Space Horse has become a bit of a cult favorite through its classic styling and ability to handle just about any task or terrain. Ambitious road centuries, gravel grinding, loaded touring, looking great while commuting — the Space Horse is equipped for it all. - 612 Select Tubing – a proprietary blend of 4130 double-butted Chromoly tubes, every piece of tubing on every frame size has been carefully chosen to provide the best ride possible - Geometry — Mix between road and randonneuring with a relatively short rear end and a slightly lower bottom bracket than a standard road bike - 12mm front and rear thru-axles, flat-mount disc brakes - Front and rear rack mounts, fender mounts, and pump peg - Fork features ports for internal Dynamo cable routing - Tire Clearance — 43–61cm frames fit 650b x 47mm (650b x 42mm w/fenders); additionally, 49–61cm frames fit 700c x 45mm (700c x 42mm w/fenders) - Signature custom-cast dropout with replaceable derailleur hanger, signature lugged fork crown and custom fork ends, integrated seat collar, pantographed bottom bracket shell, reinforced bottle bosses for three bottle cages

A cross-inspired bike built to conquer the city streets, the Super Professional features the 2-For-1 Dropout, All-City's elegantly designed combination geared or single-speed sliding dropout system. Fast, responsive, agile, and capable on mixed terrain, the Super Professional can be converted from single speed to geared or back again to crush all your daily deeds and commutes. - 612 Select Tubing - Features All-City's 2-For-1 Dropout, a beautifully crafted sliding dropout system - Signature fork crown with four-point rack mounts - Two bottle cage mounts, plus mounts in front and rear for racks and fenders - 12mm thru-axles, flat-mount 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

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"

Steel Commuter and Gravel Bike Preamble is a hard-boiled steel commuter built for comfort, durability, and buffoonery on pavement and gravel. Nothing More is Needed. Nothing Less Will Do. The challenge was thus: Build a serious steel bike and give it only the attributes that matter most. Make it quick and comfortable on pavement, as well as confident and compliant on degraded surfaces. What the Enginerds put forth is Preamble, a pavement and gravel utility worker that proves you don't need to cut corners or clip coupons to make a more affordable steel bike. You just need to keep shit simple. Preamble can run racks and fenders and carry a couple water bottles. Surly was raised on stealing basic cable, after all. Smooth and efficient on asphalt, Preamble's double-butted main triangle provides a resplendent ride feel and withstands abuse from life's inevitable potholes. Make it your own with flat bars, drop bars, a basket, or bags. On the road to steel euphoria, Preamble is the gateway drug. Let facts be submitted to a candid world: - Offered in flat-bar and drop-bar configurations - Easy T-Shirt sizing to fit nearly every rider (XS, S, M, L, XL) - Sloping top tubes on XS and Small frames for improved standover and comfort - To offer the best rider experience for every frame size, XS and S frames get 650b wheelsets while M–XL get 700c - Custom-cast single-position vertical dropout

With Sun's Biscayne CB Tandem, you and a partner can cruise the town effortlessly in style. Thanks to super-soft cruiser saddles, heaps of room for both riders and an upright riding position, this steel tandem boasts major comfort. The singlespeed drivetrain keeps maintenance to a minimum, too. Plus, handy features such as full fenders keep you both dry, front linear-pull and rear coaster brakes deliver sure stops, and extra-wide 26-inch balloon tires roll easily over bumpy paths and roads.

Built with everyday adventures, urban commutes, and errand-running in mind, Larkspur models are as well at home in the concrete jungle, ready for dicing it up on the bike paths and cutting through parks on the way to the grocery store or class, as they are on long cruises on dirt roads and meandering double track. The durable and smooth-riding steel frames are dressed with parts picked specifically for their durability in everyday use, such as hydraulic disc brakes, robust drivetrains, tough wheels with multisurface tires, and the ability to add a variety of commuting accessories so you can customize the bike for your daily needs. Steel Frame Larkspur models feature a butted Series 2 frame with a mixte stepthru design for easy mounting and dismounting, even with baskets and baby seats. Disc Brakes Hydraulic disc brakes provide smooth, controlled stopping in all conditions with minimal maintenance. - CrMo steel frame and fork - MicroSHIFT Advent X 1x10 drivetrain - Tektro HD-M275 hydraulic disc brakes - Vee Tire 27.5 x 2.35" tires

A summer blockbuster with an eye for adventure, the Rockhopper Comp lives for high action and fast-paced plot twists and features an all-new, Premium A1 Aluminum frame making its singletrack debut. Roll the credits to discover an SR SunTour XCM fork with a custom two-way damping circuit, Stout wheelset, SRAM Level hydraulic stoppers and MicroSHIFT's wide-range 1x9 drivetrain and you have backup provided by a supporting cast that's all thriller and no filler, but will never leave you hanging. - A heart of gold, presented in our lightweight yet durable Premium A1 Aluminum, the Rockhopper's butted aluminum frame features hydroformed top and downtubes in order to keep weight low and strength high, all while providing increased standover clearance, slick internal cable routing and dropper-post compatibility. - With the goal of making sure that the Rockhopper offers both the best fit and best performance for every person, no matter their measure, we've paired each Rockhopper frame size with the optimal wheel size. The result is a Rockhopper to fit every rider and the assurance that every Rockhopper is rolling on the best-handling wheel for its frame size. - Beautifully beastly, SRAM Level hydraulic disc brakes pack a mean bite but deliver their power with a refined, intuitive feel to make for a package that punches way above its pay grade. - Bringing our Rx Tune to Rockhopper for the very first time, the lockout-equipped SR Suntour XCM with custom Multi-Circuit damping brings size-specific travel and spring rates to the show in a performance that's sure to impress while also ensuring consistent geometry, handling and suspension performance, regardless of frame or wheel size. - Keep things simple with a durable 1x MicroSHIFT drivetrain that offers plenty of range along with a clutch-equipped rear derailleur that keeps your ride quiet and your chain on. - Pair dead-reliable hubs from Formula with our 25-millimeter internal diameter, hookless Stout rims for a wheelset hat-trick: strong, light and durable.

A summer blockbuster with an eye for adventure, the Rockhopper Comp lives for high action and fast-paced plot twists and features an all-new, Premium A1 Aluminum frame making its singletrack debut.Roll the credits to discover an SR SunTour XCM fork with a custom two-way damping circuit, Stout wheelset, SRAM Level hydraulic stoppers and MicroSHIFT's wide-range 1x9 drivetrain and you have backup provided by a supporting cast that's all thriller and no filler, but will never leave you hanging. - A heart of gold, presented in our lightweight yet durable Premium A1 Aluminum, the Rockhopper's butted aluminum frame features hydroformed top and downtubes in order to keep weight low and strength high, all while providing increased standover clearance, slick internal cable routing and dropper-post compatibility. With the goal of making sure that the Rockhopper offers both the best fit and best performance for every person, no matter their measure, we've paired each Rockhopper frame size with the optimal wheel size. The result is a Rockhopper to fit every rider and the assurance that every Rockhopper is rolling on the best-handling wheel for its frame size. - Beautifully beastly, SRAM Level hydraulic disc brakes pack a mean bite but deliver their power with a refined, intuitive feel to make for a package that punches way above its pay grade. - Bringing our Rx Tune to Rockhopper for the very first time, the lockout-equipped SR Suntour XCM with custom Multi-Circuit damping brings size-specific travel and spring rates to the show in a performance that's sure to impress while also ensuring consistent geometry, handling and suspension performance, regardless of frame or wheel size. - Keep things simple with a durable 1x MicroSHIFT drivetrain that offers plenty of range along with a clutch-equipped rear derailleur that keeps your ride quiet—and your chain on. - Pair dead-reliable hubs from Formula with our 25-millimeter internal diameter, hookless Stout rims for a wheelset hat-trick: strong, light and durable.

A sweet beast designed for chasing good times, the Gorilla Monsoon builds on All-City’s proven cross geometry to handle camping, dirt touring, and exploring the unknown. Built around 27.5 x 2.4" tires and offered in seven frame sizes, it comfortably accommodates our smallest and tallest riders for long days in the saddle. Features like stealth dropper post routing and full touring mounts round out this elegantly styled steed. - 612 Select Tubing – Selected specifically for sporty handling on the course, comfort on tours, and maximum fun - Geometry – adapted from All-City CX geo, plus the ability to support some load - 73mm bottom bracket allows for a wider chainring option and ample tire clearance - Stealth dropper routing - Tire clearance – 27.5 x 2.4" or 700c x 42mm - Bi-plane fork crown features four-point rack mount and mounts for fender - Flat-mount brakes, front and rear thru-axles, 1-1/8" head tube, All-City Shot Collar, three water bottle mounts - Seven frame sizes: 43, 46, 49, 52, 55, 58, and 61cm

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

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 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.

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

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

A true mixte frame with the double top tube/stays. Obviously offers lots of standover height and style as well. You'll find the geometry is more sporty than upright-comfy. Though it can be built up to suit either demeanor. Drop bars? Sure. Townie bars? Of course. This version is updated for disc brakes. This not only improves wet weather braking but allows it to fit wider, more sure-footed tires. - Provides a great foundation for a premium townie or commuter with sport touring geometry - 650b conversions are possible and encouraged - Tange Prestige heat-treated butted CrMo steel - Tange sliding dropouts allow for geared or single-speed drivetrains - Rear hub spacing: 135mm QR with International Standard disc brake mounts - Clearance for 700x38c tires with fenders - Includes color-matched lugged fork - 5.0lbs (54cm)

Flavor-enhanced, offering a longer top tube and slacker angles If we have to use the category buzzwords the industry keeps inventing, the Juice is a "downcountry" or "trail" bike. We describe it as a fun bike that is very comfortable on a single track, flowy trails, and general backwood exploring. Its medium-length wheelbase also makes it a stable platform for bike-packing. The latest version features tough IRD Broski Sliding Dropouts that allow you to go single-speed or geared or even run hub gears and alter ride characteristics slightly by adjusting the chainstay length. Fits up to 27.5 x 2.8" wide tires without needing to invest in Boost parts. Hasn't abandoned front derailleur compatibility. Another unusual option: the Juice is available in a belt-drive-ready version. - Tange Prestige heat-treated butted CrMo steel; butted CrMo rear end - Geometry is optimized for 100mm travel 29" forks and will handle 120mm forks great, too - Standard or Belt-Drive compatible versions available (split for installing belt is on the seat stay.) - IRD Broski Sliding Dropouts allow geared and single-speed builds with easy wheel removal – These currently come ready for 142 x 12mm Thru-Axle hubs. (Can be converted to 135mm spacing for traditional QR hubs with IRD aftermarket inserts) - Rear rack and fender eyelets - CNC-machined 44mm headtube: Will take 1-1/8" steerers with a ZeroStack 44 headset or tapered steerers with a ZS44 upper assembly and external cup (EC44) lower assembly - 31.6mm post size/34.9mm frt. der. size/34.9mm seat collar/73mm bottom bracket (English threads); 400mm+ post recommended - Internal cable routing on the seat tube for a dropper post - ISO disc brake tabs - Cable routing for top pull front derailleur - Recommended tire size: 29" x 2.4" (or 27.5 x 2.8”) - Color: Battleship Gray - 5.19lbs (15.5")

With Sun's Biscayne tandem, you and a partner can cruise the town effortlessly in style. Thanks to super-soft cruiser saddles, heaps of room for both riders in a comfortable, upright riding position and a 7-speed drivetrain, this steel tandem boasts convenience and comfort. Plus, handy features such as full fenders keep you both dry, linear-pull brakes deliver sure stops and extra-wide 26-inch balloon tires roll easily over bumpy paths and roads.