Bikes

These are the bikes that started it all—now, they're our best-sellers! Speed, style, and simplicity make these bikes the perfect storm of awesome whether you're starting out, getting back into biking after a few years away, or just want to get a feel for riding fixed! - 43cm will come with a rear brake, 650c wheels, and 650x23C tires. Fixed Gear or Freewheel? We chose a flip-flop rear hub to give you the flexibility to ride fixed or freewheel. Riding fixed gives you an unmatched feeling of connectedness to the bike, the road, and helps you perfect your pedal-stroke. Riding freewheel gives you the ability to coast and cruise, just like the single-speed you grew up on! No matter which you choose to ride, the standard front brake guarantees you can stop either way.

Hybrid doesn't do it justice. When we sat down to engineer our urban commuter, we wanted to do something different. Something fast. Something fun. And, most importantly, something people would want to ride. And isn't a Hybrid. It's an Urban Assault bike. And it's a blast. Slip through your city like a shadow. Subtle, stylish, and sporty – your perfect urban assault vehicle is right here. - 8 speeds to conquer your city's toughest streets. - Disc brakes for awesome all-weather stopping power. - Dual chainguard keeps your chain in place over the roughest roads. - WTB Slick 700x32c for a smooth roll and snappy handling. - Rack and fender compatible so you can haul it all and keep yourself dry.

Everything you need to tap into the pure and simple joy of riding a bike. With its comfortable rider position, 8-speed gearing and wide, smooth-rolling tires, Vida will get you spinning with a smile on your face. It has disc brakes for smooth stopping power, plus a comfortable saddle and grips.

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-DS 120mm travel fork - Shimano Altus 2x9 drivetrain - Marin Aluminum Double Wall rims w/WTB Trail Boss 2.25" tires - Tektro M275 hydraulic disc brakes

The Bolinas Ridge family of mountain bikes are designed for the recreational mountain biker looking to explore their local singletrack or dirt paths. Utilizing our lightweight, Series 1 aluminum alloy frames, 100mm travel suspension forks, and reliable Shimano drivetrains, these bikes are capable of tackling real trails and pushing your own boundaries. Size-specific 27.5" or 29" wheels, disc brakes, and 2.25" MTB tires mean comfort, traction, and control through any rough terrain. Get outside and explore with the Marin Bolinas Ridge. - Series 1 6061 Aluminum frame - SR Suntour XCE Disc, 100mm travel fork - Shimano Tourney 3x7-speed drivetrain - Power CX7 mechanical 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

Marin Fairfax ST 1, built for the flat-bar road/fitness/hybrid rider. Named "Best Hybrid" by Wirecutter, built around a lightweight Series 1 aluminum step through frame, stout chromoly fork, and a dependable and reliable Shimano drivetrain.

The Fairfax is key to our our Fitness line, built for the flat-bar fitness road rider with the accessory mounts and gear range for future upgrades. Key upgrades from Fairfax 1/1 ST: - Series 2 Fitness frame - Straight blade aluminum fork - Shimano Acera/TY710 2x8 drivetrain - Vee Tire Zilent tires w/puncture protection

The Fairfax is key to our our Fitness line, built for the flat-bar fitness road rider with the accessory mounts and gear range for future upgrades. Key upgrades from Fairfax 2: - Series 3 Fitness frame w/ relieved & tapered head tube and bottom bracket shell, forged dropouts and integrated kickstand mount - Full carbon fiber fork w/ tapered steerer tube - Shimano Sora/MicroSHIFT R9 2x9 drivetrain - Vee Tire G-Sport tires

Marin Fairfax ST 1, built for the flat-bar road/fitness/hybrid rider. The step-through version of the bike named "Best Hybrid" by Wirecutter, built around a lightweight Series 1 aluminum step through frame, stout chromoly fork, and a dependable and reliable Shimano drivetrain.

The Kentfield 1 is our most-affordable Kentfield. Designed to be affordable, comfortable and reliable it’ll go the distance, every day of the week. Our Series 1 aluminum frame is lightweight and responsive, and comes decked out with plenty of rack and fender mounts to suit your setup. There’s a Shimano 7-speed drivetrain, Vee Tire tires, Clark’s mechanical disc brakes and plenty of reliable Marin components. The Kentfield 1 is also available in a step-through version. SERIES 1 ALUMINUM FRAME - The Kentfield features a Series 1 6061 aluminum frame with disc brake mounts and rack and fender eyelets and fast rolling, multi-surface capable 700c wheels with either a standard horizontal top tube or a step-thru frame design. CRMO BMX INSPIRED FORK - The stylish CrMo BMX style fork has straight blades, disc mounts, and BMX inspired dropouts. HYBRID GEOMETRY - The Kentfield features upright seated hybrid geometry that mixes the upright position of a mountain bike with the efficiency of a pavement bike. WIDE-RANGE GEARING - Wide-range, 1x gearing is simple to use and offers as large if not larger of a gear range than multi-chainring bikes of the past.

The Kentfield ST1 is the step-through version of our most-affordable Kentfield. Designed to be affordable, comfortable and reliable it’ll go the distance, every day of the week. Our Series 1 aluminum frame is lightweight and responsive, and comes decked out with plenty of rack and fender mounts to suit your setup. There’s a Shimano 7-speed drivetrain, Vee Tire tires, Clark’s mechanical disc brakes and plenty of reliable Marin components. Why choose a step-through bicycle frame? Traditionally designed for female riders wearing skirts, the step-through has evolved to suit anyone that prefers a frame that’s far easier to swing a leg over. They’re ideal for less flexible riders, slow-speed urban cycling and riders that need to load their bike up with bags or kids. SERIES 1 ALUMINUM FRAME The Kentfield features a Series 1 6061 aluminum frame with disc brake mounts and rack and fender eyelets and fast rolling, multi-surface capable 700c wheels with either a standard horizontal top tube or a step-thru frame design. CRMO BMX INSPIRED FORK The stylish CrMo BMX style fork has straight blades, disc mounts, and BMX inspired dropouts. HYBRID GEOMETRY The Kentfield features upright seated hybrid geometry that mixes the upright position of a mountain bike with the efficiency of a pavement bike. WIDE-RANGE GEARING Wide-range, 1x gearing is simple to use and offers as large if not larger of a gear range than multi-chainring bikes of the past.

CASUAL COMMUTER The Kentfield 2 is our top-tier Kentfield. Designed to be affordable, comfortable and reliable it’ll go the distance, every day of the week. Our Series 1 aluminum frame is lightweight and responsive, and comes decked out with plenty of rack and fender mounts to suit your setup. There’s a microSHIFT 10-Speed drivetrain, Vee Tire tires, Clark’s mechanical disc brakes and plenty of reliable Marin components. The Kentfield 2 is also available in a step-through version. SERIES 1 ALUMINUM FRAME - The Kentfield features a Series 1 6061 aluminum frame with disc brake mounts and rack and fender eyelets and fast rolling, multi-surface capable 700c wheels with either a standard horizontal top tube or a step-thru frame design. HYBRID GEOMETRY - The Kentfield features upright seated hybrid geometry that mixes the upright position of a mountain bike with the efficiency of a pavement bike. WIDE-RANGE GEARING - Wide-range, 1x gearing is simple to use and offers as large if not larger of a gear range than multi-chainring bikes of the past.

The Kentfield offers a hybrid blend of speed for efficient riding and the upright and confident position of a mountain bike. With multi-terrain tires and full rack and fender mounts, it's built for short to medium distance commutes and bike path fun rides. The Kentfield adds the possibility of further exploration outside of your regular commutes or path cruising. Wide-range and simple single chainring drivetrains and lightweight Series 1 aluminum frames make the Kentfield a line of comfortable and sporty bikes for an active lifestyle. Series 1 Aluminum Frame The Kentfield features a Series 1 6061 aluminum frame with disc brake mounts and rack and fender eyelets and fast rolling, multi-surface capable 700c wheels. CrMo BMX Inspired Fork The stylish CrMo BMX style fork has straight blades, disc mounts, and BMX inspired dropouts. Hybrid Geometry The Kentfield features upright seated hybrid geometry that mixes the upright position of a mountain bike with the efficiency of a pavement bike. Wide-Range Gearing Wide-range, 1x gearing is simple to use and offers as large if not larger of a gear range than multi-chainring bikes of the past. - Series 1 aluminum frame - MicroSHIFT Advent X 1x10 drivetrain - Power CX7 mechanical disc brakes - Marin Adventure Plush saddle

CASUAL COMMUTER The Kentfield ST2 is the step-through version of our top-tier Kentfield. Designed to be affordable, comfortable and reliable it’ll go the distance, every day of the week. Our Series 1 aluminum frame is lightweight and responsive, and comes decked out with plenty of rack and fender mounts to suit your setup. There’s a microSHIFT 10-Speed drivetrain, Vee Tire tires, Clark’s mechanical disc brakes and plenty of reliable Marin components. Why choose a step-through bicycle frame? Traditionally designed for female riders wearing skirts, the step-through has evolved to suit anyone that prefers a frame that’s far easier to swing a leg over. They’re ideal for less flexible riders, slow-speed urban cycling and riders that need to load their bike up with bags or kids. SERIES 1 ALUMINUM FRAME - The Kentfield features a Series 1 6061 aluminum frame with disc brake mounts and rack and fender eyelets and fast rolling, multi-surface capable 700c wheels with either a standard horizontal top tube or a step-thru frame design. CRMO BMX INSPIRED FORK - The stylish CrMo BMX style fork has straight blades, disc mounts, and BMX inspired dropouts. HYBRID GEOMETRY - The Kentfield features upright seated hybrid geometry that mixes the upright position of a mountain bike with the efficiency of a pavement bike. WIDE-RANGE GEARING - Wide-range, 1x gearing is simple to use and offers as large if not larger of a gear range than multi-chainring bikes of the past.

The Marin Presidio 3 is the commuter bike of your dreams, because why shouldn't your daily driver also be a sports car? We've built a fast, fun and exciting commuter with a lightweight Series 2 aluminum frame and straight-blade fork. We've also added heaps of reliability and "woah, that's cool!" with a Gates Carbon Drive 8-speed belt-driven drivetrain and internally-geared Shimano Nexus rear hub. Shimano hydraulic disc brakes, Vee Tire tires and plenty of reliable Marin components complete the package. LIGHTWEIGHT ALUMINUM FRAMES Presidio frames are constructed of lightweight 6061 aluminum tubing with rack and fender mounts. Series 2 tubing on the Presidio 3 and 2 models add internal cable routing, and belt drive compatible forged slider dropouts for internally geared hubs. MARIN SLIDER DROPOUTS Our new slider dropouts were created specifically to bring the best technologies for commute bikes into a clean and tidy package. The dropouts slide to tension belts and chains, while incorporating flat mount disc brakes, and a direct mount rear kickstand to support the bike where weight is centered with gear. DISC BRAKES Hydraulic disc brakes provide smooth, controlled stopping in all conditions with minimal maintenance. INTERNALLY GEARED HUBS Internally geared hubs on the Presidio 3 and 2 package the gearing into a compact, maintenance-free package.

Riding a bike is fun, and having fun on the trail was at the front of our minds when creating the Rift Zone 27.5. Built around our MultiTrac suspension system, the Rift Zone 27.5 is our most playful and fun short travel suspension trail bike to date. Entry level through to high-performance spec, everyone can fall in love with mountain biking over and over again with the Rift Zone 27.5.

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. Dirt jump DNA with all the speed and roll-over of 29" wheels. The Marin San Quentin 2 29 is our mid-pack model that blends bang-for-your-buck value with kick-ass components. We’ve packed in 29" wheels, a TranzX dropper post, X-Fusion suspension fork, Tektro brakes, Vee Tire rubber and plenty of awesome Marin kit to create a bike you’ll love to rip, but that won’t shred your budget. Dirt jump DNA with all the speed and roll-over of 29" wheels. SERIES 3 AND 2 ALUMINUM FRAMES - The San Quentin 1 features a Series 2 aluminum frame, with tapered head tubes, 3D forged drop outs, IS brake mounts, and semi-internal cable routing. 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 stand over, 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 - San Quentin 2 and 3 models feature ISCG 05 tabs for easy chain retention device installation for rowdier riders.

The Stinson brings a new level of comfort and control to your ride. This model has a lightweight Series 1 aluminum frame with low standover, an ergonomic handlebar, plush saddle, and versatile, high-volume 27.5" tires with mixed tread for control on a variety of surfaces. Design features include our Comfort Control Geometry with upright seating and the ability to touch the ground with the forefoot, while maintaining proper saddle height for pedaling efficiency. SERIES 1 ALUMINUM FRAME The Stinson features a Series 1 6061 aluminum frame with exceptionally low standover, disc brake mounts, and rack and fender eyelets and high-volume 27.5” wheels. Stinson ST models further lower the standover height with a step-through frame design. COMFORT CONTROL GEOMETRY Marin Comfort Control geometry allows you to touch the ground with your forefoot when the saddle is at the correct height for full pedaling leg extension. COMFORT SADDLE All Stinson models utilize our comfort saddle, which is wide and supportive, but not *too* squishy. The perfect balance of comfort and efficiency. WIDE-RANGE GEARING Wide-range, 1x gearing is simple to use and offers as large if not larger of a gear range than multi-chainring bikes of the past. DISC BRAKES Disc brakes provide sure stopping power in all conditions, while being powerful and easy to modulate. 27.5” TIRES Large volume 27.5” x 2.35” tires are capable and comfortable across a range of surfaces.

The Stinson brings a new level of comfort and control to your ride. This model has a lightweight Series 1 aluminum frame with low standover, an ergonomic handlebar, plush saddle, and versatile, high-volume 27.5" tires with mixed tread for control on a variety of surfaces. Design features include our Comfort Control Geometry with upright seating and the ability to touch the ground with the forefoot, while maintaining proper saddle height for pedaling efficiency. Series 1 Aluminum Frame The Stinson features a Series 1 6061 aluminum frame with exceptionally low standover, disc brake mounts, rack and fender eyelets, and high-volume 27.5" wheels. Comfort Control Geometry Marin Comfort Control geometry allows you to touch the ground with your forefoot when the saddle is at the correct height for full pedaling leg extension. 27.5" Tires Large volume 27.5 x 2.35" tires are capable and comfortable across a range of surfaces. Wide-Range Gearing Wide-range, 1x gearing is simple to use and offers as large if not larger of a gear range than multi-chainring bikes of the past. - Aluminum frame w/CrMo fork - Shimano Tourney/Altus 1x7 drivetrain - Power CX7 mechanical disc brakes - Marin Comfort touch points

The Stinson brings a new level of comfort and control to your ride. This model has a lightweight Series 1 aluminum frame with low standover, an ergonomic handlebar, plush saddle, and versatile, high-volume 27.5" tires with mixed tread for control on a variety of surfaces. Design features include our Comfort Control Geometry with upright seating and the ability to touch the ground with the forefoot, while maintaining proper saddle height for pedaling efficiency. SERIES 1 ALUMINUM FRAME The Stinson features a Series 1 6061 aluminum frame with exceptionally low standover, disc brake mounts, and rack and fender eyelets and high-volume 27.5” wheels. Stinson ST models further lower the standover height with a step-through frame design. COMFORT CONTROL GEOMETRY Marin Comfort Control geometry allows you to touch the ground with your forefoot when the saddle is at the correct height for full pedaling leg extension. COMFORT SADDLE All Stinson models utilize our comfort saddle, which is wide and supportive, but not *too* squishy. The perfect balance of comfort and efficiency. WIDE-RANGE GEARING Wide-range, 1x gearing is simple to use and offers as large if not larger of a gear range than multi-chainring bikes of the past. DISC BRAKES Disc brakes provide sure stopping power in all conditions, while being powerful and easy to modulate. 27.5” TIRES Large volume 27.5” x 2.35” tires are capable and comfortable across a range of surfaces.

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

PEDALING HER FIRST TWO-WHEELER IS ONE OF LIFE’S GREAT EXPERIENCES, AND THE COLORFUL ADORE MAKES IT EASY. KEY PERFORMANCE FACTORS Lightweight ALUXX-Grade Aluminum frame material and innovative fork design come together to keep her bike light and easy to pedal. Intuitive Singlespeed drivetrain and smaller grips keep it easy for her to learn and feel comfortable behind the wheel. Safe Easy balance tires, training wheels, and a low stand-over height allow for safe maneuvering.

PEDAL TO WORK, MEET FRIENDS FOR COFFEE OR BUILD UP FITNESS ON THE BIKE PATH. THE ALIGHT FITS RIGHT INTO A FUN, HEATHY LIFESTYLE. KEY PERFORMANCE FACTORS Casual Comfort An upright riding position and flat handlebars make commuting or a casual spin comfortable without compromising efficiency. Fun Fitness The lightweight, balanced geometry of the ALUXX-grade aluminum frame provides an energizing combination of speed and stability. Stylish Versatility Equipped with integrated mounts for racks, fenders or panniers, this bike blends urban style and road bike agility.

The Alight Disc features an easy on and off frame design, touchpoints to maximize comfort and is available in Alight Disc City models equipped with fenders, a rack and a kickstand making the ride on the bike path or the commute to work more enjoyable. Versatility Run errands easily with the Alight’s included fenders, rear rack, and kickstand (select models). Comfort Staying comfortable on your rides around town is a non-negotiable, so the Alight has an easy on and off frame, and comes with shock-absorbing grips, a pressure-relieving saddle, and a suspension seatpost. Control The Alight’s powerful disc brakes work in dry or wet conditions, and with the increased fork clearance, you can install up to a 40c tire which allows for greater traction.

Pedal to work, meet friends for coffee, or build up fitness on the bike path. The Alight fits right into a fun, healthy lifestyle. Key Performance Factors Casual Comfort An upright riding position and flat handlebars make commuting or a casual spin comfortable without compromising efficiency. Fun Fitness The lightweight, balanced geometry of the ALUXX-grade aluminum frame provides an energizing combination of speed and stability. Stylish Versatility Equipped with integrated mounts for racks, fenders or panniers, this bike blends urban style and road bike agility.

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 bikepacking and gravel grinders to everyday adventure rides and group trekking, devote advanced has what it takes to stir your backcountry desires. Available Fall 2022 KEY PERFORMANCE FACTORS Lightweight Durable ALUXX-Grade Aluminum with Advanced-Grade Composite fork to damp vibration from chattery roads. Adventure-Ready With clearance for 45c tires and mounts for racks, accessories and three water bottle cages, this bike meets the demands of your next epic ride. Smooth Operator Internal cable routing and D-Fuse seatpost and handlebars keep this gravel bike clean and contoured for vibration-damping comfort and less maintenance.

Cruise in style and comfort with the Flourish Disc—the perfect companion for running errands or cruising with friends. With its lightweight design, easy handling, and reliable disc brakes, you'll feel confident and carefree on every adventure. Choose from a variety of models that feature trendy colors and must-have accessories, all designed to complement your unique style and enhance your riding experience. Confidence-inspiring - Enjoy a seamless ride with the Flourish’s lightweight and durable aluminum frame that features an effortless step-through design, as well as dependable disc brakes that ensure safe and secure stopping power in any weather or road condition. Comfortable Cruising - Ride in comfort and control with pressure-relieving grips and the Selle Royal Essenza+ saddle, which offer support and reduce the impact of bumpy roads and paved paths. Fully Equipped - Experience a carefree ride with a complete set of accessories, including fenders that block debris, a kickstand for easy parking, a chain cover that keeps your clothes spotless, and a hem weight that keeps your outfit secure when riding.

FEEL MORE CONNECTED TO THE TRAIL WITH THE ALL-NEW LURRA. BUILT FOR CHARGING UP SINGLETRACK CLIMBS AND DIVING INTO FAST, FLOWY DESCENTS, THIS HARDTAIL TRAIL BIKE IS SIMPLICITY AT ITS BEST. KEY PERFORMANCE FACTORS Optimal Trail Design Lightweight ALUXX SL-Grade Aluminum hardtail frame with a steep seat tube angle optimizes your input when powering up climbs and hammering on the flats, resulting in greater efficiency and speed. And a 66-degree head tube angle offers confidence on steep descents, while the 438mm chainstays keep it feeling stable and playful. Frame sizes are paired up with wheel sizes, providing the ideal fit for you and where you want to ride. Boosted Confidence Take on technical terrain with the 130mm of plush front suspension, high-volume tubeless tires offering extreme traction on roots, rocks and ruts, and a dropper seatpost allowing you to get low and ride with control. Adventure-Ready The Lurra comes equipped with mounts for two water bottle cages and additional mounts on the underside of the top tube allow riders to add a small gear bag for stowing tools. Internal cable routing keeps the important stuff tidy and protected, so you can stay focused on the ride ahead. TECHS & FEATURES: ALUXX ALUMINUM TECHNOLOGY - This Performance level frame material features 6061 alloy with single-butted tubes to produce strong, lightweight framesets for a variety of different bikes and riding styles. FLEXPOINT SUSPENSION TECHNOLOGY - A proven "single-pivot" design that uses the flexing action of the chainstay/seatstay junction to produce a lightweight and durable suspension system with 4.7 inches/120mm of rear travel. OVERDRIVE - Designed to provide precise front-end steering performance, this fork steerer tube technology uses oversized headset bearings (1 1/4" lower and 1 1/8" upper for road, 1 1/2" lower and 1 1/8" upper for mountain) and tapered steerer tube work in conjunction to provide optimal steering stiffness. POWERCORE - A massively oversized bottom-bracket/chainstay area features a fully integrated, 86-millimeter wide bottom-bracket design (92-millimeter wide for off-road bikes). Asymmetric chainstays provide additional stiffness on the driveside and stability on the non-driveside. TUBELESS SYSTEM - Fewer flat tires. Greater traction. Less rolling resistance and a smoother, faster ride. Giant's Tubeless System makes it easier than ever to experience all these benefits. Wheel size: Sizes X-Small – Small: 27.5-inch Sizes Small – Large: 29-inch