Tires/Tubes

Welcome to the world of high-performance commuter tires. 216 studs are carefully positioned across the casing profile to yield a level of confidence and safety never before seen in a commuter tire. Siped tread lugs and oval-shaped stud groupings provide exceptional cornering, braking and acceleration traction. Run the Gravdal at minimum pressure for unmatched traction performance, and maximum pressure for a quieter and faster ride on clean roads. Works great with linear-pull and canti-lever brakes.

Hardpacked groomed singletrack is the perfect surface for the fast and lightweight Hüsker Dü 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. An overall reduced lug count, combined with a tubeless-ready bead make the updated Hüsker Dü one of the fastest snow tires available.

Designed for trail riding in loose snow, 45NRTH's Vanhelga tire brings traction technology to an entirely new level. Dual compound rubber lengthens tread life in the center of the tire while enhancing cornering control on the sides. Triple-siped shoulder knobs boost traction on ice. The tubeless ready design delivers a super supple ride quality, further enhances grip, and saves weight. In addition to these technological advancements, Vanhelga's deep and open tread pattern sheds snow and tracks flawlessly when the trail becomes soft and sloppy.

Designed for trail riding in loose snow, Vanhelga brings traction technology to an entirely new level. Dual compound rubber lengthens tread life in the center of the tire while enhancing cornering control on the sides. Triple-siped shoulder knobs boost traction on ice. The tubeless ready design delivers a super supple ride quality, further enhances grip, and saves weight. In addition to these technological advancements, Vanhelga's deep and open tread pattern sheds snow and tracks flawlessly when the trail becomes soft and sloppy.

Riding your fatbike on ice just got even better with the redesigned Dillinger tread pattern and tubeless compatibility. Creating your own stud pattern allows 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. - Custom studdable up to 240 studs

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.

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

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.

From loose snow to icy freeze-thaw and everything in between, Wrathchild craves the best and worst winter conditions. Deep center lugs aggressively claw into unconsolidated snow for extreme acceleration and braking traction. Super-tall side lugs dig into loose snow to provide predictable and confident cornering. It doesn't matter whether there's ice on the road ahead, the Wrathchild is available in both studded and non-studded models. Let Wrathchild bring out your inner-child and go carve up some local trails.

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.

Challenge's Valve Extenders screw onto the end of Presta valves to make the valves 42mm longer so that the valves will protrude through wheels with tall rims far enough to be able to attach your pump and inflate the tires. You get two extenders and a wrench for them.

Challenge's S.C. Seamless Latex Tube is hand made for the highest quality. Latex tubes are usually lighter and roll with less resistance than standard butyl tubes. They also resist punctures. The S.C. fits tires 19 to 28mm wide, and has a 47.5mm-long valve with a removable core.

Challenge's S.C. Seamless Latex Cross Tube is hand made for the highest quality. Latex tubes are usually lighter and roll with less resistance than standard butyl tubes. They also resist punctures. The S.C. fits tires 28 to 35mm wide, and has a 47.5mm-long valve with a removable core.

Tough rides call for tough tires, so if you're hitting the cobbles you better have Challenge's Paris Roubaix Clincher on your wheels. It has a wide profile to take the sting out of rough pavement and dirt roads, and puncture protection under the tread. It's hand made on Challenge's lightweight 300tpi SuperPoly casing with tough polyester in the sidewalls, and a durable tread compound that sticks to the road in the corners.

Challenge's Grifo Race clincher tire excels in snow, mud, grass, and firm dirt. It features a center section that offers excellent pedaling and braking traction, and its short knobs roll quickly. Built on a smooth, supple 120tpi casing, the Grifo Race boasts an anti-puncture strip under the tread and polyester in the sidewalls for extra durability.

- When the conditions get muddy there is only one tire to get you to the finish line, the Baby Limus - Puncture protections keeps you riding and not changing flats - Use: Cross Racing: All around, Sticky Mud - Size: 700 - Tire Width: 33 mm - Internal Rim Width: 15-19 mm - Weight: 350 gr - TPI: 120 - Bead: Aramid - Casing: Nylon - BAR: 3.1-5.1 - PSI: 40-75

Challenges Gravel Grinder Race is the tire you need to make your mark in the gravel racing scene. It pairs Challenge's supple 120tpi tire casing with a smooth-rolling center tread and aggressive shoulder knobs for great riding characteristics, high speeds, and excellent cornering traction.

- Super fast and ideally suited for dry or grassy conditions, this is the tire to get you the win - Tubeless compatible for lower pressures and increased traction - UCI-legal 33mm casing - Use: Cross Racing: Dry, Grassy, Dusty or Icy Conditions - Size: 700 - Tire Width: 33 mm - Internal Rim Width: 15-19 mm - TPI: 120 - Bead: Aramid - Casing: Nylon - PSI: 40-75 - Color: Black-Black

- A great All-Around tire, GRIFO is Challenge's best-selling tread; a perennial World Championship winner - Tubeless compatible for lower pressures and increased traction - UCI-legal 33mm casing - Use: Cross Racing: All Around Soft Pack - Size: 700 - Tire Width: 33 mm - Internal Rim Width: 15-19 mm - TPI: 120 - Bead: Aramid - Casing: Nylon - BAR: 3.1-5.1 - PSI: 40-75 - Color: Black-Black

- Challenge's newest 'cross tread for deep mud (and Portland) - Limusis Latin for mud - Tubeless compatible for lower pressures and increased traction - UCI-legal 33mm casing - Use: Cross Racing: Deep Mud - Size: 700 - Tire Width: 33 mm - Internal Rim Width: 15-19 mm - TPI: 120 - Bead: Aramid - Casing: Nylon - BAR: 3.1-5.1 - PSI: 40-75 - Color: Black-Black

- Diamond File center tread rolls fast while deep side knobs grip the corners - Tubeless compatible - Superlight Nylon contruction - Use: All Around Gravel - TPI: 120 - Bead Aramid - Casing: Nylon

- Proven Paris-Roubaix tread pattern with lower wearing tread - Tubeless compatible - Double puncture protection offers the highest level of protection against punctures - Use: Rough Road, Cobbles, Big Riders, Hard Packed Dirt - TPI: 120 - Bead: Aramid - Casing: Nylon - Color: Black-Black

Even on bad roads, Challenge's Strada Open Clincher rides great because it has a rounder profile to take the sting out of rough pavement and dirt roads. It's hand made on their lightweight, supple 260tpi SuperPoly casing with tough polyester in the sidewalls, and a long-wearing and grippy tread compound for excellent performance. There's also a layer beneath the tread to help prevent flats.

Race it hard or just head off the beaten path. Challenge's Strada Bianca gravel tire urges you to take the road less traveled. Challenge is world-renowned for their tubular tires, and these are prime examples of their trade, with the smooth riding characteristics and flat resistance that pros and enthusiasts expect. At a gravel and chip seal-smoothing 30mm wide, these tires have the extra volume it takes to comfortably fly over less-than-perfect surfaces. With their supremely supple 260tpi casing, hand-laid, high-mileage rubber tread, Paris-Roubaix-proven chevron tread, and double puncture barrier, the Strada Bianca tires offer incredible levels of control, puncture resistance, and comfort.

Your search for an intermediate, all-conditions 'cross tire is over! Challenge's Chicane can tackle it all, whether the course is dry and fast, or thick with mud. The grippy side knobs ensure you stay upright in every technical turn, and the center file tread rolls fast and smooth. It's built on Challenge's light and supple 300tpi hand-made SuperPoly casing with polyester-reinforced sidewalls, and there's an anti-puncture strip under the tread. Open tubular tires feature many benefits of traditional tubular tires, but with the low maintenance and ease of installation of clincher tires.

Challenge's Grifo 33 Open Tubular (Clincher) tire excels in snow, mud, grass, and firm dirt. It features a center section that offers excellent pedaling and braking traction, and its short knobs roll quickly. The Grifo is built on the same supple 300tpi hand-made casing as their renown tubulars, and there's an anti-puncture strip under the tread and polyester in the sidewalls for extra durability. The white-tread version is a softer rubber for better grip in cold temperatures.

Limus means mud in Latin, which is exactly what Challenge's Limus Open tire excels in. Its deep, aggressive, and well-spaced knobs cut through muddy ground to grip great. And, you'll be zooming through the corners and off-camber sections, too, thanks to its side knobs, while you'll power up inclines with ease thanks to the tall center knobs. The Limus is built on the same supple 300tpi hand-made casing as their renown tubulars, and there's an anti-puncture strip under the tread and polyester in the sidewalls for excellent durability.

Challenges Gravel Grinder Race Open Tubular is the tire you need to make your mark in the gravel racing scene. It pairs Challenge's unbelievable open tubular casing with the easy install of a clincher. A smooth-rolling center tread and aggressive shoulder knobs provide great riding characteristics, high speeds, and excellent cornering traction. - Use: All Around Gravel - Size: 28" - Tire Width: 36 mm - Rim Width: 17-23 mm - Weight: 355 gr - TPI: 260 - Bead: Aramid - Casing: SuperPoly - Flat protection: Double PPS - BAR: 3-9 - PSI: 45-130 - Color: Black-Black