Tires/Tubes

Schwalbe's Marathon Plus is legendary for durability and protection. Their nearly impenetrable 5mm-thick SmartGuard layer almost eliminates flats over the course of the tire's excellent, long life. Whether you're setting out on a cross-country bike tour, cruising on a tandem, or just want peace of mind during your daily commute, the Marathon Supreme is in it for the long haul.

Schwalbe's Marathon Plus is legendary for durability and protection. Their nearly impenetrable 5mm-thick SmartGuard layer almost eliminates flats over the course of the tire's excellent, long life. Whether you're setting out on a cross-country bike tour, cruising on a tandem, or just want peace of mind during your daily commute, the Marathon Supreme is in it for the long haul.

Lighter, faster, and longer lasting The all-new R3 Hard-Case Lite road tire rolls faster, with added traction, and a longer-lasting tread. The proprietary TR-Speed compound and updated Hard-Case Lite puncture protection increase both speed and durability while the lightly treaded design adds traction. With R3 you get a faster road racing tire that delivers added confidence through every corner. Product details - Designed for speed, traction, and durability while racing and road riding - Proprietary TR-Speed compound provides confident, fast-rolling performance - Hard-Case Lite with improved Nylon105 beaker belt provides lightweight puncture protection, great ride feel, and extra durability - Fast-rolling, lightly-treaded design adds traction and confidence - Low rolling resistance and excellent cornering grip - Tread styling gets more aggressive as size increases to better suit intended use

Schwalbe's Marathon Plus is legendary for durability and protection. Their nearly impenetrable 5mm-thick SmartGuard layer almost eliminates flats over the course of the tire's excellent, long life. Whether you're setting out on a cross-country bike tour, cruising on a tandem, or just want peace of mind during your daily commute, the Marathon Supreme is in it for the long haul.

Born in the American Midwest, gravel riding is one of the fastest–growing styles of cycling. The sense of adventure, conquering new challenges, and simply experiencing a new style of riding are some of its big selling points, but doing so without the proper tires makes the difference between having fun and cursing and hollering on the side of the road. The Pathfinder delivers the versatility that these adventure-laden rides deserve—fast rolling, lots of grip, and a whole lot of fun. - Casing: 120 TPI - Bead: Foldable - Butyl wrapped bead = 2Bliss Ready - Compound: GRIPTON - Flat Protection: Endurant Casing and BlackBelt - 650b x 47mm [1.75"], psi 35-65, approximate weight 555g - 700 x 38mm, psi 50-80, approximate weight 480g - 700 x 42mm, psi 50-80, approximate weight 540g - 700 x 32mm, psi 50-80, approximate weight 380g

- The Cinturato Velo is designed around reliability in bad road conditions and heavy usage as priority and it still keeps Pirelli DNA thanks to its SmartNET Silica compound and confidence-inspiring handling. - Its patent pending Armour Tech construction combines a bead-to-bead high density layer to an aramid breaker and aramid fibers dispersed into the tread. - The SmartNET Silica compound coupled with Pirelli long experience in tread design, adds the safety and handling in any condition, whether it is wet or dry, Pirelli is already famous for.

FOR A SAFER JOURNEY. You have full control on icy roads with the Marathon Winter Plus. Even in tight bends and under violent braking everything remains under control, thanks to special Winter compound, lamella tread and up to 240 spikes. For best possible puncture protection it comes with a SmartGuard layer. Schwalbe Protection Level 7.

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. - Carbide studs grip ice - Braced side lugs improve cornering - Tubeless Ready - We design 45NRTH tires for extreme winter cycling applications. We do not recommend this product be used with power assist bikes as the additional torque and system weight can lead to pre-mature casing wear and stud loss.

- For a safer journey. You have full control on icy roads with the Marathon Winter Plus. - For best possible puncture protection, it comes with a SmartGuard layer. - Spikes work best on ice at the minimum pressure - At max pressure, noise is reduced to a minimum on ice-free roads.

Specialized's Sawtooth is THE adventure tire of choice, developed to handle any road surface and to be tough enough to withstand the rigors of exploration. The tread offers sharp angles and edges to hook onto any surface, while the Endurant casing reinforces the sidewall for added protection and high carrying loads. Meanwhile, our legendary GRIPTON compound offers reliable grip and control, and the center tread is reinforced for high mileage. Lastly, this iteration is set up for tubeless applications, so you're able to run lower pressures for added grip and traction, while also reducing the risk of pinch flats. - Casing: 120 TPI - Bead: Foldable - Butyl wrapped bead = 2Bliss Ready - Compound: GRIPTON - Flat Protection: Endurant Casing and BlackBelt - 700c x 42mm; psi 50-80; approximate weight 615g

- For a safer journey. You have full control on icy roads with the Marathon Winter Plus. - For best possible puncture protection, it comes with a SmartGuard layer. - Spikes work best on ice at the minimum pressure - At max pressure, noise is reduced to a minimum on ice-free roads.

Dillinger 4 is a fast traction studded fat bike tire. The tightly spaced center tread rolls quickly, while taller, braced side lugs improve cornering in snowy conditions. Carefully positioned studs allow for railing icy, off-camber singletrack with confidence and control. - Braced side lugs for improved cornering - Directional center lugs for rolling speed and braking traction - Replacement studs and stud insertion tool sold separately - Replacement studs and stud insertion tool sold separately

With the Crossroads Armadillo tire, Specialized redesigned their popular Crossroads tread, making it the best, most robust multi-terrain tire out there. Whether on your mountain bike or town bike, this tire is ready for the rigors of everyday street life. And with maximum flat protection from our Armadillo technology, plus a rugged casing and smooth-rolling tread, you'll get around town easily without worrying about flats or traction on parkways and cobbles. - Casing: 60 TPI - Bead: Wire - Compound: 60a - Flat Protection: Armadillo - 26 x 1.9", PSI 35-65, approximate weight 680g

The Hemisphere is a modern, versatile, and durable trekking tire with tough Flak Jacket puncture protection and a bold tread that delivers control on loose surfaces. This tire's serial center blocks roll easily on paved surfaces, while also providing off-road traction through wide-spaced shoulder blocks that bite into soft ground. Altogether, the Hemisphere will excel on streets and bike paths alike. - Casing: 30 TPI - Bead: Wire - Compound: 70a - Flat Protection: Flak Jacket - 26 x 1.95", PSI 35-65, approximate weight 880g

The new standard in enduro tires - Dual-compound - Excellent all-around performance - Tubeless Ready (TR) - Wide trail (WT) casing is optimized for 30-35mm inner width rims The Aggressor is designed for high-speed modern mountain bike trails. Advanced knob shaping creates extra gripping edges, and reinforced side knobs offer enhanced stability when cornering at speed. An all-around trail tire excelling on everything from loose cross country race courses to heavy all-mountain riding.

The Maxxis Ardent is a light duty trail tire that rolls fast in dry conditions. For similar rolling speed with improved braking and cornering performance, check out the Rekon.

- Bridging the gap between trail and XC race - Perfect for epic trail or technical XC race course

- For a safer journey. You have full control on icy roads with the Marathon Winter Plus. - For best possible puncture protection, it comes with a SmartGuard layer. - Spikes work best on ice at the minimum pressure - At max pressure, noise is reduced to a minimum on ice-free roads.

The Roubaix Armadillo Elite is an endurance road tire that's well suited for smooth and rough roads alike. That's because it's fast like any competitive road tire, only it features a unique casing with bead-to-bead protection for added puncture protection. The 25mm casing smooths your ride and keeps you fresh, while the 23mm tread handles quickly. It features a slick center tread for low rolling resistance and shoulder sipes for increased surface adaption and grip. Roll with confidence. - Casing: 120 TPI - Bead: Foldable - Compound: GRIPTON - Flat Protection: Armadillo Elite - 700 x 23mm/25mm, PSI 115-125, approximate weight 310g

The Nimbus 2 Armadillo Reflect tire features our very best flat protection, an updated tread and compound that rolls even faster, and more grip than ever before. It comes in many widths to accommodate different kinds of bikes, riding styles, and comfort levels, so it's the perfect choice for riding on any road or bike path. And with our Armadillo's superlative bead-to-bead flat protection and reflective accents that'll increase your visibility to motorists in low-light conditions, you get a much needed dose of that good ol' peace of mind. - Casing: 60 TPI - Bead: Wire - Compound: 60a - Flat Protection: Armadillo

The All Condition Armadillo continues to be the leading tire for anyone who needs top performance blended with puncture-resistance. This workhorse tire is impressively robust for touring and commuting, as well as being tough enough to navigate the roughest road conditions. - Casing: 60 TPI - Bead: Wire - Compound: 60a - Flat Protection: Armadillo - 27 x 1-1/4", PSI 85-95, approximate weight 460g

The Fast Trak Sport has become synonymous with fast and lightweight tires that are able to handle the most technical courses and the most grueling conditions. This model redefines what was thought possible with a cross-country tread design. Our Block-In-Block design uses a taller adaptable inner block to pierce the ground and claw for traction. The larger outer structure supports the inner block for additional speed, traction, support and stable handling. Adding to this, the Fast Trak profile and knob spacing has been optimized for a wide variety of internal rim widths. - Casing: 60 TPI - Bead: Wire - 29 x 2.35", PSI 25-50, approximate weight 820g

Gravel road riding is all the rage at the moment. It's great for cyclists who want to leave sealed roads behind and enjoy the freedom of cycling on unpaved roads. Designed to suit diverse touring styles, the GravelKing uses a mixture of properties that also accommodate on-road cycling. Featuring ZSG Natural compound, anti-flat Casing, and Advanced Extra Alpha Cord. - Black multi-use gravel tread - Aramid (Kevlar) folding bead

Cruise in style with Schwalbe's Big Apple Performance tire. Their wide Balloonbike profile provides natural cushy suspension, and it rolls easily thanks to the smooth tread. Plus, you get their RaceGuard puncture protection and lightweight Endurance rubber compound for confident handling.

Keep the rubber side down and fully inflated when you choose MICHELIN's Protek tires. A specially-cut tread pattern reduces rolling resistance, and MICHELIN's rubber compound makes for an excellent grip. Grooves at the shoulders help increase traction on wet and greasy surfaces. A 1mm-thick anti-puncture reinforcement will help ensure nothing bursts your bubble, so you can enjoy the ride. Weights: 27 x 1.25 (650g) 700 x 28c (575g) 700 x 32c (630g) 700 x 35c (700g) 700 x 38c (760g) 700 x 40c (800g)

Feel fast, safe, and stable in any weather and on any road on the T1 road touring tire. With super tough nylon casing and durable compound for added wear and traction, this tire is ideal for touring, training, or recreational riding. Key features - Engineered tread design for confidence in wet or dry conditions - Durable compound gives long tread life - Extra-strong nylon casing - 30 TPI - Wire bead - Clincher

Feel fast, safe, and stable in any weather and on any road on the T1 road touring tire. With super tough nylon casing and durable compound for added wear and traction, this tire is ideal for touring, training, or recreational riding. Key features - Engineered tread design for confidence in wet or dry conditions - Durable compound gives long tread life - Extra-strong nylon casing - 30 TPI - Wire bead - Clincher

A robust tire with a modern look for city riding - Solid tires for town and city bikes also suitable for tarmac and gravel paths - Good traction from its large contact patch with the terrain - High reliability, best quality: gets you to where you want to go on time!

- Long-lasting, high-quality rubber compound - Center tread siping for enhanced wet road traction - Continuous center tread for a smooth ride

- The Cinturato Velo is designed around reliability in bad road conditions and heavy usage as priority and it still keeps Pirelli DNA thanks to its SmartNET Silica compound and confidence-inspiring handling. - Its patent pending Armour Tech construction combines a bead-to-bead high density layer to an aramid breaker and aramid fibers dispersed into the tread. - The SmartNET Silica compound coupled with Pirelli long experience in tread design, adds the safety and handling in any condition, whether it is wet or dry, Pirelli is already famous for.

The Maxxis Rekon Race is a semi-slick XC race tire that features the lowest profile tread in our XC line. It is a great choice for dry XC trails and short track racing.

Cruise in style with Schwalbe's Big Apple Performance tire. Their wide Balloonbike profile provides natural cushy suspension, and it rolls easily thanks to the smooth tread. Plus, you get their RaceGuard puncture protection and lightweight Endurance rubber compound for confident handling.

The new standard in enduro tires - Dual-compound - Excellent all-around performance - Tubeless Ready (TR) - Wide trail (WT) casing is optimized for 30-35mm inner width rims The Aggressor is designed for high-speed modern mountain bike trails. Advanced knob shaping creates extra gripping edges, and reinforced side knobs offer enhanced stability when cornering at speed. An all-around trail tire excelling on everything from loose cross country race courses to heavy all-mountain riding.

The Nimbus 2 Armadillo Reflect tire features our very best flat protection, an updated tread and compound that rolls even faster, and more grip than ever before. It comes in many widths to accommodate different kinds of bikes, riding styles, and comfort levels, so it's the perfect choice for riding on any road or bike path. And with our Armadillo's superlative bead-to-bead flat protection and reflective accents that'll increase your visibility to motorists in low-light conditions, you get a much needed dose of that good ol' peace of mind. - Casing: 60 TPI - Bead: Wire - Compound: 60a - Flat Protection: Armadillo - 700 x 35mm, psi 50-80 - 700 x 38mm, psi 50-80 - 700 x 45mm, psi 35-65

When your ride varies from skate parks to city streets, and usually ends with a session at the trails, the Rhythm Lite is the obvious tire of choice. A fast-rolling center section keeps things moving, while slightly larger and deeper shoulder knobs provide enhanced traction in the dirt. - Casing: 30 TPI - Bead: Wire

Reduced to its essentials. With half the amount of spikes, the Winter provides excellent control on glassy ice. Only in extreme cornering is its big brother Marathon Winter superior. With 50 EPI carcass, reflective lines and K-Guard it offers great benefits at an entry-level price.

When ultimate traction on icy roads is of paramount concern, Schwalbe's Marathon Winter tire delivers the grip and control you need. Let some air out and its numerous metal studs bite into hard-packed snow and ice during the worst Mother Nature can dish out. Pump it back up to max and run it on clearer roads with minimal noise. Whether you're a hard-core year-round bike commuter or just want to get out and enjoy more stability in the snow, Schwalbe's reflective accents and RaceGuard puncture protection means the Winter tire will keep you rolling until summer comes around.

Biting traction to tame even the most aggressive DH tracks. Our most aggressive DH tire Bontrager's World Cup-winning downhill tire gives you incredible braking control and traction at high speed over aggressive, loose, rocky terrain, wet or dry. The unique G5 tread profile provides maximum bite at any lean angle, with a predictable transition into controlled slides. Product details - A downhill tire that excels in loose, rocky, and wet conditions - Center knob tie-bar increases braking traction - Dual-step shoulder knobs for high lean angle traction - Open tread spacing is self-cleaning - Dual-Ply multi-layer casing adds stability for heavy-duty DH tires with added butyl layer to prevent flats

The P ZERO Road offers a slightly thicker tread base for increased puncture protection. - 120tpi casing with Aramid TechBELT puncture protection - EVO compound

Get a grip on wintry roads with Schwalbe's Winter tire. Its metal studs bite into hard-packed snow and ice during the worst Mother Nature delivers. Whether you're a hard-core year-round bike commuter or just want to get out and enjoy more stability in the snow, Schwalbe's reflective accents and KevlarGuard puncture protection mean the Winter tire will keep you rolling until summer comes around.

The industry standard comes in all sizes Premium-quality Bontrager Standard butyl rubber tubes feature a 0.9mm wall thickness for the perfect balance of weight savings and durability. - 0.9mm wall thickness - Equipped with removable valve cores - 100% inspected for guaranteed quality - Best value

Tread design offers excellent traction and cornering in just about any terrain without the penalty of high rolling resistance or fast-wearing tread compounds. - A mix of 2, 3, and 5mm center knobs, tall cornering knobs, color stripe on sidewall made of Silica compound for added durability - Zero Slip Grip Natural tread compound integrates more natural rubber to decrease rolling resistance and increase tread wear life

Cruise in style with Schwalbe's Big Apple Performance tire. Their wide Balloonbike profile provides natural cushy suspension, and it rolls easily thanks to the smooth tread. Plus, you get their RaceGuard puncture protection and lightweight Endurance rubber compound for confident handling.

An aggressively styled youth tire for all-condition riding, our Roller tire makes the perfect tire for your kids to learn how to shred. - Casing: 30 TPI - Bead: Wire - Compound: 70a - Flat Protection: Flak Jacket - 24 x 2.125", PSI 35-100, approximate weight 610g

With the Crossroads tire, we redesigned our popular tread, making it the best multi-terrain tire out there. Whether on your mountain bike or town bike, this tire is ready for the rigors of everyday street life. And with Flak Jacket flat protection, plus a rugged casing and smooth-rolling tread, you'll get around town easily without worrying about flats or traction on parkways and cobbles. - Casing: 60 TPI - Bead: Wire - Compound: 60a - Flat Protection: Flak Jacket - 26 x 1.9", PSI 35-65, approximate weight 580g

When your ride varies from skate parks to city streets, and usually ends with a session at the trails, the Rhythm Lite is the obvious tire of choice. A fast-rolling center section keeps things moving, while slightly larger and deeper shoulder knobs provide enhanced traction in the dirt. - Casing: 30 TPI - Bead: Wire

A proper choice for high-power e-bikes, the Electrak 2.0 Armadillo Reflect tire also performs amazingly with other bikes that can handle this tire size. The Armadillo construction provides maximum flat protection from bead to bead, while also supporting the entire casing to handle the rigors that these bikes dish out when roaming city streets. The next generation Electrak 2.0 tread has GRIPTON compound and grooves for ultimate grip and performance when the weather turns foul. It's also an excellent choice to install on 29-inch mountain bikes that get plenty of time on city streets and the open road. Lastly, its reflective accents will increase your visibility to motorists in low-light conditions. - Casing: 60 TPI - Bead: Wire - Compound: GRIPTON - Flat Protection: Armadillo - 700 x 51mm / 29 x 2.0"; PSI 40-65; approximate weight 945g

The new standard in enduro tires - Dual-compound - Excellent all-around performance - Tubeless Ready (TR) - Wide trail (WT) casing is optimized for 30-35mm inner width rims The Aggressor is designed for high-speed modern mountain bike trails. Advanced knob shaping creates extra gripping edges, and reinforced side knobs offer enhanced stability when cornering at speed. An all-around trail tire excelling on everything from loose cross country race courses to heavy all-mountain riding.

- Quick sealing and stop punctures up to 1/4 inch - Can be used year around - -09: Box of 12 bottles

This mixed-use tire delivers off-road prowess with on-road manners for smaller-wheeled riders. Aggressive knobbies grip the loose stuff while a connected center ridge rolls smoothly. Product details - Easy-rolling path and pavement tire - Available in popular kids bike sizes - Great value

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. Encounter sheer ice on your ride and Wrathchild’s concave studs tear into the surface. - Deep, aggressive lugs dig into snow - Tall side lugs provide cornering confidence - 252 concave studs tear into slick surfaces - Tubeless ready - We design 45NRTH tires for extreme winter cycling applications. We do not recommend this product be used with power assist bikes as the additional torque and system weight can lead to pre-mature casing wear and stud loss

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

The Grand Prix 5000 is the best all-rounder in the field, brought to a whole new performance level. Ride faster, more comfortably, and with increased puncture protection. Its Active Comfort Technology absorbs vibrations and smooths your ride. Lazer Grip technology, designed to make you one with the road, features a lasered micro profile structure that expands over the tire’s shoulder and provides outstanding cornering. The Vectran Breaker is lighter, more flexible and protects more effectively against cuts than comparable nylon. With incredible tear resistance at a very low weight, it possesses exactly the right properties to be a premium puncture protection insert, while not adversely affecting rolling resistance. The Grand Prix 5000—made to make you better. With Continental's unique and legendary BlackChili tread compound, produced only in Germany, they have revolutionized the sport of cycling. This compound answers the eternal question of the best balance of grip and rolling resistance for cycling. Regular test wins confirm the measurable and noticeable advantages for cyclists, established in both the lab and on the road. The latest polymers, as well as specially developed carbon black particles and filler materials, guarantee ultimate performance.

Custom made for enduro racing, with DH toughness and all-mountain speed. Lighter, grippier, and even more durable The SE4 Team Issue Tubeless Ready tire offers incredible grip and fast-rolling efficiency in a lightweight enduro-spec casing. Our innovative Core Strength construction provides DH-level protection at a fraction of the weight. Combined with a 61/50 dual-compound rubber, this tire can handle the roughest terrain and live to ride another day. Product details - A robust enduro tire that excels in loose and rocky conditions - Aggressive tread design provides confident cornering and braking traction in demanding terrain - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Core Strength has sidewall and sub-tread protection for lightweight durability - 60 TPI - Folding bead

The All Condition Armadillo continues to be the leading tire for anyone who needs top performance blended with puncture-resistance. This workhorse tire is impressively robust for touring and commuting, as well as being tough enough to navigate the roughest road conditions. - Casing: 60 TPI - Bead: Wire - Compound: 60a - Flat Protection: Armadillo - 700 x 23mm, PSI 110-125, approximate weight 360g - 700 x 25mm, PSI 110-125, approximate weight 395g - 700 x 28mm, PSI 85-95, approximate weight 440g - 700 x 30mm, PSI 85-95, approximate weight 480g - 700 x 32mm, PSI 85-95, approximate weight 510g

The Roubaix Pro is an endurance road tire that's well suited for smooth and rough roads alike. That's because it's fast like any competitive road tire, only it features a bead-to-bead Endurant casing, plus our BlackBelt technology for puncture protection. Meanwhile, the casing smooths your ride and keeps you fresh, while the tread handles responsively over mixed terrain. It also features a slick center tread for low rolling resistance and shoulder sipes for increased surface adaption and grip. - Casing: 120 TPI - Bead: Foldable - Compound: GRIPTON - Flat Protection: Endurant Casing and BlackBelt - 700 x 23mm/25mm, PSI 115-125, approximate weight 260g - 700 x 25mm/28mm, PSI 85-95, approximate weight 300g - 700 x 30mm/32mm, PSI 75-95, approximate weight 355g

Specialized's Turbo Pro tire is a competitive clincher that utilizes many of the same features found in their S-Works version. After all, competitive riders need a fast, light, and tough tire, and the Turbo Pro is all three. With its flawless tread, supple casing, and unrivaled GRIPTON compound, it features an extremely low rolling resistance and superior cornering traction. Put it all together, and you'll be climbing and descending with confidence and speed. - Casing: 60 TPI - Bead: Foldable - Compound: GRIPTON - Flat Protection: BlackBelt - 700 x 24mm, PSI 100-125, approximate weight 240g - 700 x 26mm, PSI 100-125, approximate weight 250g - 700 x 28mm, PSI 85-95, approximate weight 280g

Excel on a multitude of surfaces with this lightweight, durable hybrid tire. Highly versatile, long-lasting smooth roller. When the weather turns nasty and the pavement becomes treacherous, H2 Hard-Case Ultimate offers protection and performance. By combining the ultimate in lightweight flat protection with a fast rolling, versatile tread, this tire is ready for anything. Key features - Excels on pavement - Sub-tread co-extrusion provides maximum puncture protection - Anti-cut, bead-to-bead casing resists cuts from glass and sharp objects - Anti-pinch sidewall support prevents pinch flats - Aramid breaker belt protects against tread punctures

The Hardrock'R is a long lasting tire with an aggressive, yet smooth rolling, tread with multi-directional knobs that are sure to improve traction and cornering over mixed terrain. And with the added benefit of Flak Jacket flat protection, you'll be sure to hit it all with confidence and control. - Casing: 30 TPI - Bead: Wire - Compound: 70a - Flat Protection: Flak Jacket - 29 x 2.0", PSI 35-65, approximate weight 1000g

- Bead to bead tread - Urban assault tire