Tires/Tubes

When bite and traction are required above all else, the Gnarwhal keeps you moving. Roll through the roughest terrain and deepest snow with the stud-ready aggressively treaded Gnarwhal. Key features - Excels in snow, ice, and slippery terrain - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Inner Strength casing is lightweight sidewall protection that's supple and strong - Studdable design allows for added traction in icy conditions - Easy install of available Bontrager Tire Studs with Bontrager Tire Stud Tool

Riding your fat bike on ice just got even better with the redesigned Dillinger tread pattern and tubeless compatibility. 252 carefully positioned studs allow you to rail icy off-camber singletrack with confidence and control, while taller side lugs bring improved cornering in snowy conditions. Dillinger's center tread is tightly spaced for speed when you need it so you can power up an icy climb and rip down the other side as the studs claw into the slick surface.

PROCORE is an inner high-pressure air chamber for tubeless systems that allows dual air pressures for traction and impact protection. Procore allows low pressures (down to 14psi) to be run in tubeless tires, with a high-pressure inner chamber that locks the bead in place and prevents burping and rim dents from impacts. - Sold as a set with all components to set up a wheelset on one bike (tires not included) - Minimum internal rim width is 23mm - Maximum distance from rim well to rim inner surface is 20mm - Minimum tire pressure with ProCore is 14psi

- Studded tire for added traction when conditions get icy - Weight optimized 120tpi casing, Silica rubber, max tire pressure 20psi - Tubeless ready bead/casing

Challenge's Grifo 33 Seta Extra Tubular boasts a tread that excels in snow, mud, grass and firm dirt. It's also built on their light and supple 260tpi hand-made silk casing for an awesome ride quality. Plus, there's an anti-puncture strip under the tread and polyester in the sidewalls for extra durability. You also get a latex tube. Latex tubes are lighter, thinner and more flexible than butyl tubes, increasing your comfort, lowering rolling resistance, and helping to prevent flats, too.

The ‘turbo’ of spike tires. With 361 spikes it bites firmly into icy roads. The tungsten carbide core of each spike is clad in weight-saving aluminum. The scales stop at 695 g, yet the tire remains agile and sporty. - LiteSkin: The lightest option. LiteSkin MTB tires forego SnakeSkin, but still have high pressure resistant tire beads. If you don't mind the extra effort, these tires can also be converted to Tubeless by using a liquid sealant. - Special Winter compound - Folding Bead

The ‘turbo’ of spike tires. With 361 spikes it bites firmly into icy roads. The tungsten carbide core of each spike is clad in weight-saving aluminum. The scales stop at 695 g, yet the tire remains agile and sporty. - LiteSkin: The lightest option. LiteSkin MTB tires forego SnakeSkin, but still have high pressure resistant tire beads. If you don't mind the extra effort, these tires can also be converted to Tubeless by using a liquid sealant. - Winter compound - Folding bead

The extra width of the Dillinger 5 provides flotation over loose snow additional grip while turning, accelerating or braking on ice and packed snow. Available in both studded and non-studded configurations. The studded version comes with 258 concave, aluminum carbide tip studs to provide extra bite and increased durability

The GP Attack benefits from its special version of Continental's Black Chili Compound that gives the streamlined 23mm front tire more grip with lower rolling resistance. The optimum front tire gets you quickly into the turns, feeling light and responsive while providing ample life. The GP Force is a powerful rear tire and with its 25mm section combined with a fast Black Chili Compound, it gives excellent traction and road handling that’s second to none. Both tires are made with Vectran puncture protection and show wear and tear levels via indicators in the tread, details that show professionals are at work. *Includes both Attack (front) and Force (rear) tires.

Fat tire optimized for snowy conditions. The Maxxis Colossus is a fat tire designed for use in winter conditions. The tread consists of numerous tall knobs designed to penetrate snow and grip the hard terrain underneath. The open tread pattern clears out packed snow to maintain traction, and a special rubber compound stays pliable in freezing conditions. - Snow-specific tread pattern - Tubeless Ready - Dual compound

Minion performance comes to fat bikes. The Maxxis Minion FBF represents a progression in fat-biking by offering a front-specific tire designed for trail riding. Featuring the proven Minion DHF tread blocks, the FBF combines extreme cornering capability, low rolling resistance, and fat-tire volume for unsurpassed grip on uneven and loose surfaces. - Inspired by the Minion DHF - Front-specific tread design - Dual compound - EXO Protection - Tubeless Ready

Minion performance comes to fat bikes. The Minion FBR is a rear-specific fat bike tire designed for trail riding. It shares the look of the Minion DHR II, but is optimized for fat biking. The Minion FBR features well-known, proven side knobs for cornering traction and ramped, paddle-like knobs down the middle, minimizing rolling resistance and maximizing traction in all conditions. - Inspired by the Minion DHR II - Rear-specific tread design - EXO Protection - Tubeless Ready

Continental's Attack Comp is designed for use as a front tire. It's hand made in Germany and features their Black Chili rubber compound for excellent performance, their Vectran Breaker puncture protection, and a supple 3-ply, 110 thread-per-inch casing for sweet compliance to smooth every ride. It also boasts Conti's TirePositioningSystem (TPS) to maximize its aerodynamics and cornering.

Many of the fastest riders in the world place their trust in these handmade German tubulars. The Competition is a world-class tire proven everywhere from the cobbles of Paris-Roubaix to your local crit series. The 180-thread-per-inch, 3-ply casing offers a velvety-smooth ride and the Vectran sub-tread provides exceptional puncture protection, reduced rolling resistance and a great road feel.

Take one of the fastest tires out there, dial it in for all-out speed events, and you have Vittoria’s Corsa Speed G+. Profiled to take advantage of wider modern rims, it reduces wind drag while remaining fast-rolling. Rolling resistance is dropped even further by Vittoria’s G+ graphene rubber compound, a groundbreaking technological advance that creates a tire with ultra low rolling resistance on straightaways and tenacious traction under braking, acceleration, and cornering, giving you the best of both worlds in a single race-ready tubular. When speed is all that matters, Corsa Speed is the only tire that matters.

The fat bike tire. Extremely light. The large volume can be ridden with extremely low air pressure. Ideal on deep soil, rough and very loose terrain. - SnakeSkin option: The monofile SnakeSkin fabric on the side wall makes the tubeless conversion for the MTB extremely easy and safe. It also provides the best cut protection on the side wall. - LiteSkin option: The lightest option. LiteSkin MTB tires forego SnakeSkin, but still have high pressure resistant tire beads. If you don't mind the extra effort, these tires can also be converted to Tubeless by using a liquid sealant. - Addix Speedgrip: The universal compound. It definitely has the widest range of use. Perfect for XC, AM and Trail: for the majority of EVO tires there’s a version with ADDIX Speedgrip! It replaces the previous PaceStar compound where a significant, though not the only difference, during extensive use is more mileage and a longer life. - Folding Bead

Surly's Bud Tire is front-specific and a massive 4.8-inches wide, giving you incredible traction and control. Put it on a 100mm-wide rim and let its aggressive tread carry you over snow and mud. A Kevlar bead and supple sidewalls help keep the weight down and provide a smooth ride.

Surly's Knard tire exists in a strange realm trail-taming of fatty wideness. The tread consists of closely spaced blocks that grab terrain and hold it hostage until they're done with it. Run low pressure for mind-blowing traction or pump it up for lower rolling resistance, either way the Knard has the grip to make Spiderman jealous.

Surly's Lou Tire is rear-specific and a massive 4.8-inches wide, giving you incredible traction and control. Put it on a 100mm-wide rim and let its aggressive tread carry you over snow and mud. A Kevlar bead and supple sidewalls help keep the weight down and provide a smooth ride.

- MXP is the airport code for Milan, Italy, a World Cup venue that calls for an all-conditions tire that excels in loose dirt, sand, moderate mud, hard pack, snow, grass, and pavement - Tubular version features a durable rubber coating to prevent deterioration from water, mud, and dirt - Based on the classic Grifo, with updated central chevrons to allow the tread to flex, and more aggressive side knobs - Weight: 366 grams

BOS is the airport code for Boston, Massachusetts, the original hotbed of North American ‘cross and home to some of the harshest weather and the toughest courses. If you’re pinning on a number in New England you better be ready for rain, roots, ruts and mud. And, you better have a set of Donnelly BOS tubulars in your quiver. This tire is even more aggressive than our mud-proven PDX. It features buttressed side-knobs for outstanding traction in super muddy corners and off-cambers, and a center tread pattern that is all bite when it comes down to a tractor pull. Size: - 700 x 33mm Weight: - 386 grams Type: - Tubular Part #: - D50030 Product Features: - Buttressed side-knobs for superior cornering traction. - Unique center knob pattern designed for maximum traction when you need it most. - Soft rubber compound provides extra grip and shock absorption. - Tubeless design means an airtight casing with no inner tube to puncture. - Rubber-coated sidewalls are extremely durable and prevent deterioration from water, mud and dirt. - No additional sidewall coating necessary. - All in one construction means tread will not peel away from the tubular casing. - Precision design creates a straight tire with no variances in size or alignment. - The tire and base tape are consistently straight making it easy to glue and install to your wheel. - A removable valve core allows for valve extenders installation as well as insertion of tire sealant. - Liquid sealant can be used with all Donnelly tubulars to prevent or repair typical punctures.

The MXP Tubular combines a unique tread pattern with our innovative tubeless casing to create an amazing all-conditions tubular. It excels on grass, loose dirt, sand, moderate mud, hard pack and pavement. The MXP is named after the airport code for Milan, Italy, site of a World Cup cyclocross venue that calls for an all-conditions tire. The tread features a classic profile with several modern updates. Precise grooves in the central chevrons allow the tread to flex and more aggressive side knobs offer traction and control beyond what you might expect. If you could only have one cyclocross tire in your quiver, the MXP is the one to have. Size: - 700 x 33mm Weight: - 378 grams Type: - Tubular Part #: - D50010 Product Features: - Center chevrons and staggered side knobs for all-conditions. - Soft rubber compound provides extra grip and shock absorption. - Tubeless design means an airtight casing with no inner tube to puncture. - Rubber-coated sidewalls are extremely durable and prevent deterioration from water, mud and dirt. - No additional sidewall coating necessary. - All in one construction means tread will not peel away from the tubular casing. - Precision design creates a straight tire with no variances in size or alignment. - The tire and base tape are consistently straight making it easy to glue and install to your wheel. - A removable valve core allows for valve extenders installation as well as insertion of tire sealant. - Liquid sealant can be used with all Donnelly tubulars to prevent or repair typical punctures

Minion performance comes to fat bikes. The Maxxis Minion FBF represents a progression in fat-biking by offering a front-specific tire designed for trail riding. Featuring the proven Minion DHF tread blocks, the FBF combines extreme cornering capability, low rolling resistance, and fat-tire volume for unsurpassed grip on uneven and loose surfaces. - Inspired by the Minion DHF - Front-specific tread design - Dual compound - EXO Protection - Tubeless Ready

The Corsa has been the race-day choice of pros for years, and is now better than ever with 4C G+ compound technology! The latest Corsa is an evolution of the brand, and brings multiple industry-first technologies to market. Starting with our supple yet durable 320 TPI Corespun-K reinforced casing, and adding a proprietary mix of 4 different Graphene ISOtech compounds, the new Corsa achieves the holy grail of performance: speed, suppleness, durability, and reliability. Whether winning a Grand Tour, or a local crit, the Corsa family delivers world class performance. - The world’s best tire just got even better! - 4 separate Graphene G+ ISOtech compounds deliver speed, suppleness, durability, and reliability - Reinforced Corespun-K casing for increased sidewall protection - World Class performance for the world's best athletes

Riding your fat bike on ice just got even better with the redesigned Dillinger tread pattern and tubeless compatibility. Dial-in your traction by custom installing up to 240 studs that allow you to rail icy off-camber singletrack with confidence and control, while taller side lugs bring improved cornering in snowy conditions. Dillinger's center tread is tightly spaced for speed when you need it so you can power up an icy climb and rip down the other side as the studs claw into the slick surface.

Let Dunderbeist loose on your local groomed single track and feel the aggressive tread claw through the snow with unrivaled propulsion and braking traction. Its 4.6-inch footprint provides enhanced flotation and is compatible with a wide range of frames. Dual compound rubber rolls fast and keeps you in control while shredding the berms. Point uphill and feel the Dunderbeist dig in as you attack climbs covered in loose, unconsolidated snow. Pair Dunderbeist with its sibling front tire, Flowbeist, for the ultimate combination of traction and control.

Flowbeist was made to attack groomed single track with confidence. Designed for optimal use as a front tire, its wide 4.6-inch footprint floats well, rolls fast and is compatible with a wide range of frames and forks. Digging into berms brings the Flowbeist alive as its tall side lugs with softer compound rubber claw the snow. Hit the brakes on tight twisty single track and the aggressive tread design digs in to keep you and your bike in control. Pair Flowbeist with its sibling rear tire, Dunderbeist (sold separately), for the ultimate combination of traction and control.

Flotation meets speed with the 4.8 Husker Du fatbike tire. Built around the perfect balance of low rolling resistance and traction, shorter center treads roll faster and slightly taller shoulder knobs give more bite when cornering. The large casing and reduced lug count combined with the tubeless-ready bead makes the 4.8 Husker Du the perfect tire for deep, fast pursuits.

The small white-furred, long-bearded men with enormous feet of Swiss folklore, a Barbegazi only emerge from their cave after the first snowfall. The aptly-named, ultra-fat, Tubeless Ready, Barbegazi TLR gives you the float and traction to take on any winter trail. 4.7 inches of aggressive tread floats over and bites into everything in its path. - Excels in deep snow, sand, and rough terrain - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Inner Strength casing is lightweight sidewall protection that's supple and strong

Named for the folkloric creature native to oft snow-laden Rhinelander, WI, Hodag covers all your fat tire bike needs in a lightweight Tubeless Ready tread. Designed for all-terrain use, Hodag stays true to its sharp-clawed namesake with unmatched traction and excels in throwing snow, loose dirt, and sand, keeping your ride the stuff of legend. Key features - Excels in snow and sand - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Inner Strength casing is lightweight sidewall protection that's supple and strong