700c, 27-Inch & 650c

- Ideal road bike commuting tire - With a thicker layer of tread rubber, the Caldera provides longer-lasting tread wear than a normal road tire - Bead: non-folding - Weight: 330 grams

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 handmade clincher combines a supple, 300TPI SuperPoly casing with natural rubber tread for long distance comfort, confident cornering, and quick handing. This tire includes PPS Ganzo, a lightweight and supple Puncture Protection System placed between the tread and casing to increase resistance to punctures.

Completely renewed, sporting a dynamic tread pattern design. Matches with a race bike, as well as a classic city road bike. Available in a wide range of dimensions and colors. PureGrip Compound Based on activated silica compounds, this technology was originally intended as an performance level compound, but after intensive development at our Korbach Research and Development Department Facility, an advanced new compound with outstanding grip and cross-country properties was developed. This new rubber mix, given the self explanatory name "PureGrip", is ranked just behind our BlackChili Compound and is being used in our performance products both in the road and mountain bike sectors. Whilst providing great grip, it is also long lasting and highly durable – both characteristics of Continental tires, which are exclusively manufactured in the factory in Hefei (Asia). Suitable for E-Bikes For our E-Bike tyre we fall back on over 100 years' experience with moped and motorcycle tires. All of our city/trekking tires are rated to a standard speed of at least 25 km/h. Those tires marked e50 are also certified for S-Pedelecs. With their high quality structure, puncture protection is high and the rolling resistance is low offering protection from premature wear brought about by the additional driving force.

Continental's Gatorskin Folding combines 3 flat-protection technologies into one fast-riding, high-mileage racing and training tire. It features a super-fine 180 thread-per-inch casing, a bead-to-bead layer of DuraSkin, and is finished with a Kevlar-reinforced top layer. The result is a tire with a lightweight folding bead that rolls and corners with the best of them while providing flat protection second to none. - DuraSkin sidewall protection - PolyX puncture protection - Weight: 220/240/320/325 grams (23c/25c/28c/32c)

Continental's ultra-tough Gator Hardshell combines 3 flat-protection technologies into the ultimate distance and training tire. It features a flat-busting, bead-to-bead layer of DuraSkin and an extra-wide Poly-X Breaker anti-puncture strip. But Conti wasn't done yet. They added material in the tread to improve mileage and lend another level of puncture resistance.

Continental's Gatorskin combines 3 flat-protection technologies into one fast-riding, high-mileage racing and training tire. It features a super-fine 180 thread-per-inch casing, a bead-to-bead layer of DuraSkin, and is finished with a Kevlar-reinforced top layer. The result is a light tire that rolls and corners with the best of them while providing flat protection second to none. - Weight: 290/310/360/365/390 grams (23c/25c/28c/32c/27 x 1 1/4) - PolyX puncture protection - DuraSkin sidewall protection

The Contact Plus tire is the ideal allrounder on any type of roads and paths that enhances every bike, and thanks to the plus in puncture protection, nobody will be left behind with a flat tire. - Suitable for E-Bikes and packed with protection to keep you rolling - Reflective sidewall stripe for added visibility - Specially designed for e-bikes, the SafetyPlus Breaker features an added layer of highly flexible natural rubber into it's design. The result is an extremely cut and puncture resistant breaker ply which has a low rolling resistance thanks to its high elasticity. This helps by saving battery life and the environment - E50 e-bike rating features a high quality structure with puncture protection to reduce premature wear brought about by the additional driving force

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.

Continental's ultra-tough Gator Hardshell combines 3 flat-protection technologies into the ultimate distance and training tire. It features a flat-busting, bead-to-bead layer of DuraSkin and an extra-wide Poly-X Breaker anti-puncture strip. But Conti wasn't done yet. They added material in the tread to improve mileage and lend another level of puncture resistance. Plus, the folding bead keeps the weight low. Weight: 23c: 250 grams 25c: 270 grams 28c: 350 grams 32c: 385 grams

Puncture protection and mileage are the strengths of Hardshell-ProTection. A wider PolyX Breaker, the specialist against punctures under the tread center and shoulders, provides for great reliability. The three-ply—each layer with 60 TPI—carcass covers the entire tire and makes it a real bastion against urban detritus. The outer sidewalls of the tire are reinforced with DuraSkin fabric, providing even more reliability due to the casing being so well protected. Hardshell tires are the puncture-resistant flagship amongst racing tires—produced exclusively in Germany. - Ideal when it comes to extremely long service life, for the next tour or the commute. - Made for rough surfaces and rugged tarmac.

The Grand Prix 4-Season is a reliable companion for training rides and in competition, come rain or shine, featuring superior durability that's ready for any season. - Designed to wear longer and offer improved traction in harsh conditions and lower temperatures - Vectran Breaker is spun from liquid crystal-polymer to create a multiple-thread thermoplastic yarn. This partially crystalline fabric is more cut-resistant than aramid and its tensile strength is five times higher than that of steel. A Vectran Breaker is lighter, more flexible and effective against cuts than a comparable nylon breaker, without affecting rolling resistance - Duraskin provides a cut-resistant layer from bead to bead

The Archetype is a racer's tire, with speed and low rolling resistance at its heart. It was born in collaboration with UAE Team Emirates - XRG with the goal of making a tire that was even lighter and faster than before. The Archetype tire was designed to be compatible with hooked and hookless rims and features Limited Edition Tour de France labels and packaging. - Tour de France limited edition graphics and packaging - Lazer Grip, to make you one with the road. The lasered micro profile structure expands over the tire’s shoulder and provides outstanding cornering - Active Comfort Technology (ACT) takes a revolutionary approach in cycling; embedded in the tire construction to absorb vibrations and smoothens your ride - Black Chili Compound features special synthetic rubbers combined with proven natural rubber to high-performance tread mixtures, to optimize rolling properties and grip - Tubeless-ready (TR) carcass construction is robust and impervious against damage and penetration from foreign objects - Hookless rim compatible up to 73 PSI / 5 bars Elevate your road cycling adventures with Continental Road Cycling Tires. Experience the perfect fusion of excellence, performance, and durability that they are known for. Whether you’re racing, touring, or embarking on long-distance rides, Continental has the road bike tire you need. - Explore high-performance road bike tires designed for maximum speed and efficiency - Continental’s all-weather road cycling tires provide superior traction and control. Rain or shine, these tires ensure you maintain stability and safety - Discover road bike tires optimized for long-distance journeys. These tires prioritize comfort and reliability, making them perfect for extended road cycling adventures

The Grand Prix 5000 TT TR is the specialist tire for races against the clock, making it the fastest GP 5000 tubeless tire for the pursuit of speed, be it in a criterium, time trial or triathlon. - Tubeless ready (TR) carcass construction is robust and impervious against damage and penetration from foreign objects - Designed and built to go fast - Vectran Breaker is spun from liquid crystal-polymer to create a multiple-thread thermoplastic yarn. This partially crystalline fabric is more cut-resistant than aramid and its tensile strength is five times higher than that of steel. A Vectran Breaker is lighter, more flexible and effective against cuts than a comparable nylon breaker, without affecting rolling resistance - Lazer Grip, to make you one with the road. The lazered micro profile structure expands over the tire’s shoulder and provides outstanding cornering - Active Comfort Technology (ACT) takes a revolutionary approach in cycling; embedded in the tire construction to absorb vibrations and smoothens your ride - Black Chili Compound features special synthetic rubbers combined with proven natural rubber to high-performance tread mixtures, to optimize rolling properties and grip

The AERO 111 is the next generation in tire performance, developed in collaboration with DT Swiss and Swiss Side. Featuring an innovative and aerodynamically-optimized tread, this tire is engineered to effortlessly cut through the air like never before. The tread's 48 precision-formed, vortex-generating cavities create controlled turbulence, ensuring prolonged airflow attachment to the rim, resulting in reduced aerodynamic drag and improved crosswind stability. The AERO 111 also incorporates all the winning technologies from the GP5000 TR Family: Black Chili Compound for superior grip and minimal rolling resistance, coupled with the trusted Vectran Breaker for added puncture protection. It’s the ultimate aerodynamic tire – without compromise. - Vortex Generators allow for the reduction of aerodynamic drag of the entire wheel-tire-system - Aero, grippy and fast design: It's the go-to tire for road cyclists who know that every watt counts - Improved handling in crosswinds through enhancing the sailing effect - Hookless compatible, Tubeless ready design allows the rider to run the tire at a lower pressure thus adding comfort and puncture protection - Black Chili Compound features special synthetic rubbers combined with proven natural rubber to high-performance tread mixtures, to optimize rolling properties and grip - Vectran Breaker is spun from liquid crystal-polymer to create a multiple-thread thermoplastic yarn. This partially crystalline fabric is more cut-resistant than aramid, and its tensile strength is five times higher than that of steel. A Vectran Breaker is lighter, more flexible, and effective against cuts than a comparable nylon breaker, without affecting rolling resistance - The combination of all these features means on top of the low aerodynamic drag, the AERO 111 offers low rolling resistance, good puncture resistance,e and exceptional grip in both wet and dry conditions - Black Chili Compound features special synthetic rubbers combined with proven natural rubber to high-performance tread mixtures, to optimize rolling properties and grip - Vectran Breaker is spun from liquid crystal-polymer to create a multiple-thread thermoplastic yarn. This partially crystalline fabric is more cut-resistant than aramid, and its tensile strength is five times higher than that of steel. A Vectran Breaker is lighter, more flexible and effective against cuts than a comparable nylon breaker, without affecting rolling resistance

The Serac CX Sand X-Guard handles great in the dirt without giving up speed on the tarmac. Whether you are on gravel, pavement, dirt, or single track, this tire performs. - Diamond tread combines grip with low rolling resistance - 182 TPI casing - Inner-air-seal prevents leakage - X-Guard adds a double-layer bead-to-bead puncture protection

Gravel and dirt road racing tire - Dual-Compound for longevity - Gravel-specific tread pattern - Tubeless Ready (TR) Maxxis' first gravel-specific tire, the Rambler, is designed with the volume you need for comfort and the tread you need for speed and control. Tightly packed center knobs are ramped for rolling efficiency on hardpack roads, and spaced-out side knobs provide predictable cornering in varied terrain.

- Low profile, tightly packed center knobs paired with well-spaced corner knobs make for a fast rolling tire ideal for gravel riding - The less aggressive height of knobs makes this a great multi-use tire suitable for grinding some gravel as well as light trail work - EXO-equipped models feature Maxxis` EXO sidewall protection, which helps prevent puncture from sidewall abrasions - HYPR-X- Gravel specific compound combining the best attributes of the HYPR Road and MaxxSpeed MTB compounds for better traction and lower rolling resistance

All around touring or commuting tire with ProTite protection, Panaracer's best-ever puncture prevention technology. Its comprehensive size range insures that you can find a Pasela for most any usage. Ride it and trust it. - Urban/Commuter tire

T-Serv ProTite is a great performance tire for urban city use, incorporating ZSG compound, 400D Lite Extra Cord, and ProTite puncture-resistant technologies. Hands down, T-Serv is the best urban strength-to-weight-ratio tire on the market today. Need to get through your urban jungle quickly and reliably? T-Serv is the answer. - Urban/Commuter tire - Aramid (Kevlar) folding bead - Max PSI: 90

When you desire a fast-rolling center tread yet require additional puncture protection, the GravelKing SS Plus stands out as the perfect choice. - Ideal for gravel, dirt, and rough pavement - TuffTex+ increases tire resilience with a dual layer of bead-to-bead TuffTex material, providing additional puncture resistance and heightened security in the most challenging conditions - BeadLock is engineered to accommodate a broader range of rims, including both hookless and clincher types. In most instances, mounting the tire can be effortlessly achieved with a standard floor pump - ZSG GRAVEL Compound is crafted from a proprietary ZSG (Zero Slip Grip) material to ensure remarkable resistance to temperature and weather fluctuations. This consistent rubber performance across a spectrum of temperatures provides lower rolling resistance and improved grip - Folding (Aramid) Bead - Tubeless and Hookless Compatible in widths 700 x 30C and wider

The P Zero Race TLR is the most performing tire in Pirelli’s portfolio, as well as being the first tire with a tubeless technology entirely made in Italy. The design features SpeedCore technology in a 120tpi casing, utilizing a layer of compound mixed with aramid that covers the inner layer of the tire, improving the smoothness and the resistance of the rubber. The result is a less stiff, but faster tire. The compound on the other hand, maintains the same advanced SmartEVO technology, commonly found in other high-performance tires throughout the P Zero range. - SpeedCore is an innovative tubeless-ready construction that consists of a thin air-tight layer of rubber compound infused of aramid particles. This layer covers the internal part of the tire and thanks to the presence of the aramid into the rubber blend, it allows for better mechanical resistance, improved air retention and overall greater flexibility - SmartEVO compound uses a blend of polymers to provide maximum grip with a low rolling resistance, allowing for maximum speed and control - 700 x 28 and larger sizes are compatible with hookless rims, 700 x 26 size tires are not hookless compatible - Hookless rims subject to ETRTO 5bar/73psi max pressure limitation

- 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

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.

The Flat-less tire with distinctive trekking profile. Asphalt or off-road? Everyday use or bicycle expeditions? This versatile tire always does the job. Its robust construction handles almost any mistreatment. Protected by SmartGuard, the most effective puncture protection belt available for bicycle tires. - Maximum puncture protection - Robust construction and modern tread design - Versatile - suitable for asphalt, dirt roads and light terrain - In classic sizes with proven construction of the Marathon Plus - Performance line - E-rating: E-54

- Smart DualGuard Protection - Addix-E Compound - ECE-R75 certification makes the tires ready for E-Bikes of all classes

- The next generation of tubeless tires. A truly thrilling ride. It's fast. It's reliable. It's light. - The patented MicroSkin construction makes this all possible. The rolling resistance is minimal! - All around cut resistance and puncture protection are extraordinary. - This is the absolute top model from Schwalbe! - The Schwalbe One Pro can also be used with a normal tube, but its true strengths are experienced only in tubeless form.

The Nimbus Sport Reflect tire has a smooth tread that rolls fast and serves as the perfect fit for any rider looking to get around town. There are many widths to accommodate different bicycles, riding styles, and comfort levels, while the BlackBelt flat protection adds confidence for riding over rough city roads and bike paths. For an extra touch of protection, this model includes reflective accents that increase your visibility to motorists in low-light conditions. - Casing: 60 TPI - Bead: Wire - Compound: 70a - Flat Protection: BlackBelt - 700 x 28mm, PSI 115-125, approximate weight 565g - 700 x 32mm, PSI 75-100, approximate weight 625g - 700 x 35mm, PSI 75-100, approximate weight 685g - 700 x 38mm, PSI 75-100, approximate weight 715g

The RoadSport is a solid performer that's plenty reliable. It features a durable compound with low rolling resistance and plenty of grip, while our proven Flak Jacket puncture protection will give you peace of mind while out on the road. - Casing: 60 TPI - Bead: Wire - Compound: 70a - Flat Protection: Flak Jacket

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 - 700 x 38mm, PSI 50-80, approximate weight 575g

The S-Works Turbo tire sets the standard for how a performance road tire should be. It's fast, light, and supple. It features our GRIPTON® compound with extremely low rolling resistance and superior cornering traction that helped win Worlds on a rain-slicked attack. So no matter if you're climbing with the best of them or descending like a rider possessed, this is the tire for anyone who demands nothing short of the best. - Casing: 120 TPI - Bead: Foldable - Compound: GRIPTON - Flat Protection: BlackBelt - 700 x 24mm, psi 100-125, approximate weight 210g - 700 x 26mm, psi 100-125, approximate weight 220g