700c > 27-Inch > 650c

The Strada is Challenge's go-to tire for long days on the road. This all-condition tire combines a round profile that takes the sting out of rough pavement with a construction that provides maximum control and low rolling resistance. This TLR clincher with 120TPI nylon casing provides both performance, durability, and puncture protection when combined with the appropriate tubeless sealant. TLR - TLR tires versions can be ridden tubeless with the addition of sealant but can also be run with an inner tube. - A bead-to-bead inner coating gives added puncture protection to these tubeless ready tires and greatly reduces gradual loss of air pressure. An aramid bead protection strip increases tire longevity and reduces rim chafing.

Built on the same concept as our Gravelking and Gravelking SK models, the EXT version incorporates the same technology on top of a specially designed tread tailored to work best in muddy and sloppy conditions. Better puncture resistance while retaining the superb balance of a light riding feel and grip. - Ideal for gravel and dirt, Mud/Loose condition model, better puncture resistance while retaining the superb balance of a light riding feel and grip - Available in Black Tread and Black or Brown Wall Colors - Folding (Aramid) Bead with ProTite Shield Plus Protection - Available in 700 C and a variety of widths - TLC in widths 33mm and larger

A high performance all-road tire that performs well through a wide range of inflation levels. The mix of small, closely spaced center knobs and longer, taller cornering tread blocks is appreciated in soft or loose surfaces. - ZSG (Zero Slip Grip) natural rubber compound provides consistent performance through a wide range of temperatures and wears well - Bead-to-bead puncture protection belt - 126tpi Advanced Extra Alpha casing performs well through a wide psi range, minimizes rolling resistance - Actual width of installed tire can vary by 6mm or more depending on inner rim width and inflation pressure. - Tubeless compatible Specs: - PSI: 60 - ISO Diameter: 622 / Road / 29" - Tire Intended Use: Gravel - Tire Type: Tubeless Ready Clincher - TPI: 126 - Tire Bead: Folding - Tire Diameter: 700c

Built on the same concept as our Gravelking and Gravelking SK models, the EXT version incorporates the same technology on top of a specially designed tread tailored to work best in muddy and sloppy conditions. - Ideal for gravel and dirt, mud and loose conditions - Available in Black Tread and Black or Brown Wall Colors - Folding (Aramid) Bead - Available in 700 C and a variety of widths - TLC in widths 33 mm and larger

- Compound: ZSG AGILE COMPOUND - Casing: Advanced Extra Alpha Cord

- Extra thick slick tread that resists punctures and gets great wear life, a favorite of fixie riders now available in a multitude of sizes - Twice the amount of tread rubber than standard slick road tires

- Hardpack mountain bike tire designed to run in specific directions for the front and rear - In front, the Camber rolls fast, confidently grabbing corners even in the loose stuff - Reversed on the rear, the Camber gives you the same confidence in the corners, plus additional acceleration and climbing traction - Folding bead option also provides lightweight EPS puncture protection layer for outstanding performance and durability

The Black Wall in K34 Tread is a great tire for any road bike. As avid everyday riders, Kenda knows what goes into a great commuter tire. Fast rolling, long life, and superb puncture protection are just a few of the reasons people prefer Kenda. Whether you're riding to the store or out for a weekend, Kenda will help you get safely where you're going. - K34 tread pattern - Made from quality Kenda rubber - ETRTO: 32-630 - Wire Bead

Stradius Sport is an excellent performance tire. Equally adept in a training or commuting role, the Sport has an Aramid bead with an extra-strong 800D casing. - Natural and synthetic rubber yielding durability and performance - Tire Type: Clincher

CG XC was designed exclusively by Cedric Gracia for when you need a fast rolling, soft-to-dry conditions tire that will push you farther and won't let you down in the corners. ZSG Combo Compound is specially formulated to give you unparalleled grip and greater durability than other sticky compounds.

The All Terrain is always up for adventure. From long-distance touring to light-duty offroading, this tire offers impeccable handling that won't let you down. Usage: Trekking / Comfort Conditions: Dry to Damp / Pavement to Hardpack Compound: DNS Casing: Durable Bead: Wire 26" Comp - Tube Type: 635g 32c Comp - Tube Type: 455g 37c Comp - Tube Type: 540g

The ultimate touring tire, made for roads, tracks and trails of all continents. The tread pays homage to its legendary Marathon XR predecessor. Construction and compounding are naturally the very latest Schwalbe Evo technology. TravelStar compound for the best handling characteristics, Double Defense technology makes it light, but with an extremely robust construction. The world is round. Ride it.

- Angled side knobs work together with the Super Race carcass to create the best cornering grip. - Super Race carcass (Souplesse construction) for a particularly smooth ride with low rolling resistance and high puncture protection. - New boomerang profile for the best uphill traction and ideal rolling behavior. Specs: - Tire Diameter/ISO: 700C/622 - 67 TPI - Bead: Folding - Tire Compound: Addix Race - Tire Technology: Super Race, TL Easy - Tire Type: Tubeless Ready - Tubeless Technology: Tubeless Easy

- A trekking tire that can go anywhere you want it to take you - SmartGuard puncture protection layer offers the best puncture resistance of any tire - Endurance compound for super long tread life

Corsa inspired tread design, for paved surfaces and hard-packed gravel. The smooth Corsa inspired center rolls fast, while the side tread "scales" provide durable bite when cornering and braking. - Three compounds in the tread (3C) for increased wear life and grip - Functionalized GRAPHENE 2.0 compound delivers ultimate performance - Corsa-inspired smooth center tread minimizes rolling resistance - Gravel tire designed for paved surfaces and hard-pack terrains - Side tread “scales” provide dependable bite through corners, and when braking

The Schwalbe One family provides the right tire for the latest gravel bike trend. The smooth rolling G-One profile and Tubeless Easy technology make it a pleasure to ride over forest paths and rolling fields. - MicroSkin Casing

The Terreno Dry bridges the gap between file treads, and traditional all-conditions treads. The key to this is the unique angled "fish scale" design, that allows the center tread to roll extremely fast, yet offer traction when loaded in cornering and braking. Add the transitional height mid and side tread, and the Terreno Dry transitions as smoothly as it rolls. The exclusive 3C Graphene compound structure places 3 unique compounds where you need them most, adding to the performance. From gravel grinding to medium conditions cross racing, the Terreno Dry offers consistent performance. - Center scales are ramped, providing a fast rolling leading edge, yet sharp effective braking and cornering edges - Exclusive 3C compound construction featuring Graphene compound technology - File-tread Gravel and Cyclocross race tire, designed for a range of conditions

Our lightest and fastest road tire - 170 TPI casing - HYPR-S compound - K2 puncture protection The Maxxis High Road SL is the fastest and lightest road racing tire we have ever produced. Starting with our lightest and most supple 170 TPI casing, we add our K2 puncture protection, and top it with our fastest compound: HYPR-S. This new compound retains the grip found on the original High Road, but reduces rolling resistance by 12%.

1 Tire. 4 Seasons. 365 Days. No tire change necessary. The Marathon GT 365 is the first tire which you will ride safely throughout the year in almost every condition. The new lamella tread and the specially developed "FourSeason" compound provide full grip, no matter what time of the year you ride your bike. Fitted with DualGuard puncture protection technology for maximum safety. - Wire bead

Born in the hills of Kansas, the Flintridge takes its name from the local sharp jagged rocks. A smooth centerline tread pattern that is equally at home on pavement and hard pack. The Flintridge shifts from the fast rolling center to the grippy transition and shoulder knobs for control in loose rock and even mud. The KSCT casing does double duty, reinforcing the sidewalls of the tire with a woven shield to prevent slashes and abrasions while optimizing the casing for fast and easy tubeless conversion. - DTC Dual Tread Compound: Kenda's L3R PRO compound (60 shore A durometer) in the center and the cornering knobs have STICK-E compound (50 shore A durometer) - The benefits are increased center tread life plus cornering control and grip - KSCT casing for tubeless conversion and sidewall reinforcement

The Kwick Drumlin is hard to beat: K-Shield protection and a long lasting compound make it a reliable companion. Burly side knobs give confidence and grip on wet or loose conditions. Feels at home on concrete as well as gravel paths and forest roads.

- Fast rolling yet grippy center line with robust corner tread for grip on all surfaces - Kelvar belting helps prevent flats - Reflective sidewall striping - Bead: Wire

The Pursuer is great for logging trouble-free training miles and casual group rides. - Low rolling resistance, high mileage tread compound - Sport-level clincher tire The Pursuer is the newest road clincher in the Maxxis line. Taking what we learned from the development of the HYPR Compound for our flagship High Road tire, the Pursuer uses an all-new full-silica rubber compound. This new compound decreases rolling resistance while improving tread wear and cornering performance. For logging trouble-free training miles and casual group rides, choose the Pursuer.

- Makes the perfect economical trekking tire - The Excel has a reflective stripe on the sidewall, keeping you visible at night for city riding - If getting a reliable, high-performance trekking tire at an economical price is what you're after, the Overdrive Excel is the tire for you.

The XCO European Champion tire The Mezcal is the versatile all-rounder that gets you to the podium, time after time. Ride a combination of terrain? This is the choice of the pros. The Mezcal features a unique low-profile tread that is tightly spaced in the center, for low rolling resistance and durability. Countless effective edges work together to grip on a variety of terrain, while directional siping on each knob make traction in the roots and rocks. The best tires are built with the best casing and compound, and the Mezcal TNT is no exception. Using the proprietary Graphene enhanced 4C compound, the Mezcal attains the holy grail of XC tires; grip, durability, and low weight. - Available with World Championship proven TNT bead technology - Available with World Championship proven TNT bead technology - Defined center-ridge tread for low rolling resistance

Fast, safe and comfortable — guaranteed! The Contact is the jack-of-all-trades among city and trekking tires. Its tread design is based upon the principles of bionics. A uniform center tread/belt assembly ensures a smooth and speedy ride on the road. Flexible shoulder lugs and fine sipes guarantee grip in curves and on loose surfaces. The overall tire construction rounds off the overall high quality. The ultra fine carcass fabric reduces the rolling resistance while providing a noticeably more comfortable ride. Reflective sidewall for extra visibility. Reflective Sidewall: REFLEX is 3M reflective is commonly known to be one of the most highly reflective material options. A thin, silver light-reflecting strip on both sidewalls that adds visibility and safety to Continental's city / commuter / urban tires.

Traffic signal sprinter! The SportContact turns any bike into a racer. The 26 version helps the bike messenger meet those deadlines while the 700C tire gets the fitness biker into a speed frenzy. All this added speed for your bike with zero detriment to puncture protection and reliability! Reflective Sidewall: REFLEX is 3M reflective is commonly known to be one of the most highly reflective material options. A thin, silver light-reflecting strip on both sidewalls that adds visibility and safety to Continental's city / commuter / urban tires.

The Grand Sport Race encourages peak performance. The perfect blend of high puncture protection, comfort and smooth running makes it the ideal tyre for competitions and tours. Other plus points are maximum cornering grip and durability. The all-rounder is ready for every challenge even the biggest ones.

Retro RIDE – ride retro! The name is iconic. The large volume tyre has proven itself for use on cruisers and city bikes. It offers great comfort and stands for design and lifestyle. The tyre has the profile of the legendary Conti KKS 10 and is available in modern colours. A must-have for style experts.

An energetic cosmopolitan! Tires are a safety-relevant component of each bicycle. High speeds and the additional weight from the battery and drive of an e-bike of up to 50km/h make a special e-bike tire necessary. A high-quality additional rubber 3/180 TPI reinforced carcass forms the solid frame of the E.CONTACT. The SafetyPLUS Breaker puncture protection specially developed for the high demands on e-bikes, protects the tire reliably against punctures and cuts. The profile of the tire is just as at home on asphalt as on gravel and forest trails – a good all-around tire.