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 tire takes tubeless to a higher performance level by combining TLR's properties with a handmade construction for the ultimate in traction and ride quality. This tire includes PPS Ganzo, a lightweight and supple Puncture Protection System placed between the tread and casing to increase resistance to punctures. And puncture protection is enhanced when combined with the appropriate tubeless sealant. 260TPI SuperPoly casing.

The P ZERO Race TLR RS was developed specifically for racing purposes, making it one of Pirelli’s fastest and most high performing cycling tires to date. Maximizing the balance between speed, handling and grip, the P ZERO Race TLR RS features SpeedCore technology and Pirelli’s SmartEvo compound, along with a newer TLR bead design for even better compatibility and air retention. SmartEvo Compound features a blend of smart polymers inherited from the Motorsport expertise, blending grip and speed, together SpeedCore brings a thinner rubber layer that allows for better handling, while the aramid fibers dispersed in the blend provide the necessary mechanical strength Not compatible with hookless rims

The PZERO Race 4S TLR is a year-long racing tire featuring tubeless technology that’s able to provide high grip in all kinds of weather and an increased puncture protection, while still maintaining the racing feeling characteristic of the PZERO Race range. This result was achieved thanks to the Speedcore tubeless technology with the latest evolution of casing construction, and the SmartNet Silica which holds the best formulation for wet and chemical grip among Pirelli compounds. - The wide surface of the silica rod molecules enhances its natural water affinity, delivering confident handling and grip on wet surfaces - SmartNET Silica technology delivers high rolling efficiency, thanks to its natural anisotropic orientation, which reduces heating while increasing elasticity to help minimize energy dissipation - Speedcore design adds an aramid band within the tire’s rubber layer, adding strength and support to the tire casing but retains a supple feel for minimal rolling resistance and maximum grip - 120tpi nylon casing for added puncture protection and maximum security

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

Ungodly fast If you’re all about unleashing pure speed and going fast on the tarmac, Bontrager Aeolus RSL TLR road tires are for you. They're the full race-ready package with an ultra-supple cotton construction that's paired with a fast Race Dual-Compound for soaring. The Race Dual-Compound uses a firm and smooth rubber at the center of the contact patch, which is key to straight-line speed. Need to fly around corners, too? A softer compound at the shoulder of the tire boosts confidence-inspiring grip for cornering. Product details: - A light and fast race tire designed for pure speed on the tarmac - RSL TLR Construction: 320tpi cotton casing with sub-tread puncture protection - Race Dual-Compound: fast rolling center and grippy shoulder - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Cotton casing conforms to surfaces better through flexible fibers for a smoother, faster, grippier tire - Firm smooth center tread is key to straight line speed and softer shoulders stick to corners with confidence - Compatible with hooked and hookless type rims (max pressures vary by size and type)

• Advanced tread profile and texture gives low rolling resistance with excellent cornering grip • Butyl-lined casing improves air retention for consistent tubeless ready performance • TLR - Tire is engineered for use with Bontrager TLR Sealant as the final step in a worry-free, tubeless setup • Hard-Case Lite - Lightweight sub-tread material protects against punctures

An all-conditions cyclocross tire that can handle most terrain due to its balanced tread pattern.

The P ZERO Race is designed to pack all the benefts of tube-type technology into a race-ready all-rounder tire, balancing handling, speed and grip. - SmartEVO compound uses a blend of three di?erent polymers, each of them providing specifc performance qualities to achieve the optimal balance of opposing characteristics, such as grip and rolling resistance - TechBelt casing adds a layer of high cut resistant fabric underneath the tread to provide superior puncture protection in a wide variety of conditions

Using the same tread design from the Cinturato Gravel RC, the Cinturato Gravel RC X is the answer to all gravel racing requirements on rougher terrains: fast on the straights, thanks to minimal central line knobs, and aggressive on the corners, with higher and more substantial knobs to support handling when cornering. The TechWALL X tubeless casing construction features a reinforced and cut-resistant 60tpi fabric made longer to extend past the tread line, o?ering even more sidewall protection on top of the already present bead-to-bead protection layer. - Designed for the most demanding gravel courses for riders seeking the best performances in all racing conditions - SpeedGRIP Compound formulation for on and o?-road rolling efficiency coupled with high tear resistance and high wet grip - TechWALL X High-strength woven Nylon fabric from bead to bead for added cut and puncture protection - Multi-ply 60tpi Nylon casing construction, with longer overlap on the sidewall - TLR tubeless-ready aramid folding bead optimized for wide rims and lower pressure riding

- 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.

Race it hard or just head off the beaten path. The Strada Bianca takes the proven construction of the Paris-Roubaix and adds volume to take you comfortably over less-than-perfect surfaces. Challenge introduces STRADA BIANCA H-TLR 45. The staple herringbone-design tire proves its handmade performances on rougher terrain with a new gravel-specific construction and an added beefier new 45mm size. The STRADA BIANCA 45 is the tire designed to take you comfortably rolling over rough pavement, cobbles, sandy or hardpack fields, to literally floating over the more enduring dry, rocky terrains. It is the first 45mm tire in the Challenge range.

Confidence at speed The cobbles of Paris-Roubaix were the inspiration for the R4 Classics tire. Confident traction and a fast-rolling yet grippy tread give this handmade road tire uncompromising performance and road feel, and Hard-Case Lite with polyamide synthetic fiber reinforcement adds puncture protection and durability. A hand-built road tire with a supple, lightly treaded design that offers uncompromising speed, traction, and confidence. - Fast-rolling road race tire for when traction and confidence matter most - High grip tread and compound performs in wet and dry conditions - Super supple polyamide synthetic fiber reinforcement provides added casing strength - Hard-Case Lite protects against punctures with lightweight, sub-tread material - Super supple 320TPI casing rolls fast with great ride feel - Clincher tire made using the same handmade process as tubulars to maintain suppleness and ride quality - Chamfer reinforcement layer adds protection at tire's sidewall right up to the tire bead

- 120tpi casing with Aramid puncture protection—TechBELT - SmartEVO compound

The Cinturato Gravel H (Hard Terrain) is a gravel-specific tire designed for compact terrain and the hardest surfaces. The tread features low, tightly packed knobs and elevated ability to adapt to the terrain, offering a large contact area and therefore excellent feel while riding. - SpeedGRIP Compound adds features of mechanical resistance and chemical grip without compromising the rolling efficiency - High-performance tire with unique characteristics of grip in all weather conditions, be they dry or wet, plus a high level of puncture protection - TechWALL high-strength woven nylon fabric from bead to bead for added cut and puncture protection - TLR tubeless-ready aramid folding bead optimized for wide rims and lower pressure riding

- Medium profile and tread spacing for riding quickly and confidently over a mixed variety of terrains, from hard to soft, whether for dry or wet - SpeedGRIP Compound formulation for on and off-road rolling efficiency coupled with high tear resistance and high wet grip - High-strength woven Nylon fabric from bead to bead for added cut and puncture protection - Multi-ply 127tpi Nylon casing construction - Tubeless-ready aramid folding bead optimized for wide rims and lower pressure riding

- Medium profile and tread spacing for riding quickly and confidently over a mixed variety of terrains, from hard to soft, whether for dry or wet - SpeedGRIP Compound formulation for on and off-road rolling efficiency coupled with high tear resistance and high wet grip - High-strength woven Nylon fabric from bead to bead for added cut and puncture protection - Multi-ply 127tpi Nylon casing construction - Tubeless-ready aramid folding bead optimized for wide rims and lower pressure riding

- Gravel-racing specific tire, derived from our experience in the biggest competitions around the world and feedback from Pro athletes. - Tread design inspired by the Scorpion XC RC. - Key features: Higher average speed on straight and fast lines, improved lateral grip when off-road cornering.

Confidence is just around the corner The R4 Clincher's race performance gives unparalleled road feel, yet is extremely durable for a racing clincher thanks to Hard-Case Lite protection. The Hard-Case Lite sub tread material protects against punctures in the peloton and up the hardest and sketchiest road climbs. A super supple, hand-built, 320TPI clincher tire that excels in road and criterium racing. - Lightweight, 320TPI, hand-built clincher - Built to excel in road and criterium racing - Super supple polyamide synthetic fiber reinforcement for added casing strength - Hard-Case Lite protects against punctures with superior, lightweight, sub-tread material - Clincher tire made using the same handmade process as tubulars to maintain suppleness and ride quality - Chamfer reinforcement layer adds protection at tire's sidewall right up to the tire bead

An aggressive gravel tire that’s perfect for grip and durability in mixed and loose conditions. CHAMPION OF THE CHUNK Derived from the loose and rugged trails of Colorado, Betasso RSL GX Tires deliver ultra-aggressive performance for grip and durability in mixed and loose conditions. RSL GX Construction provides an incredibly robust 60TPI casing paired with bead-to-bead and sub-tread puncture protection while a Gravel Dual-Compound features a firmer center to maintain straight line speed and medium density shoulder knobs that bite when cornering. PRODUCT DETAILS - An aggressive gravel tread provides grip and durability in mixed and loose conditions - RSL GX Construction: 60TPI casing with bead-to-bead and sub-tread puncture protection - Gravel Dual-Compound: fast rolling center and medium shoulder - Tubeless Ready (TLR) for easy tubeless setup and puncture protection

A lightly treaded fast-rolling gravel tire that’s perfect for speed and grip in hardpacked and mixed conditions. OUR FASTEST GRAVEL TIRE EVER Named after the famous Catalan city of Spain, Girona RSL GR Tires deliver pure speed in hardpacked gravel conditions. Its smooth center and lightly-treaded side knobs create the perfect blend of straight line speed and confident cornering. RSL GR Construction provides an incredibly supple 220TPI casing with bead-to-bead puncture protection, meanwhile a Gravel Dual-Compound features a firmer center to maintain straight line speed with medium density shoulder knobs that bite when cornering. PRODUCT DETAILS - A lightly-treaded fast-rolling tread delivers speed and grip in hardpacked and mixed conditions - RSL GR Construction: 220TPI casing with bead-to-bead puncture protection - Gravel Dual-Compound: fast rolling center and medium shoulder - Tubeless Ready (TLR) for easy tubeless setup and puncture protection

Let the good times roll The all-new R3 Hard-Case Lite TLR gets you rolling faster with added traction, and a longer-lasting tread. The updated Hard-Case Lite puncture protection and Tubeless Ready design combine with a lightly-treaded design to offer a faster rolling road racing tire that maximizes 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 - Tubeless Ready (TLR) design allows for easy tubeless setup and added puncture protection - Fast-rolling, lightly-treaded design adds traction and confidence - Low rolling resistance and excellent cornering grip - Use with Bontrager TLR wheels, sealant, and rim strips for a complete tubeless system designed and tested to work together

Tubeless made easy The all-new R3 Hard-Case Lite TLR road tire is fast-rolling, easy to install, and hard to flat. It's equipped with updated Hard-Case Lite puncture protection and a lightly-treaded design for traction and confidence through every corner. Plus, it's a breeze to install, so you get all the benefits of road tubeless without any of the hassle. A lightly-treaded TLR road tire with proprietary TR-Speed compound and improved Hard-Case Lite puncture protection that's easy to set up and packed with performance. - 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 - Tubeless Ready (TLR) design allows for easy tubeless set-up and added puncture protection - Fast-rolling, lightly-treaded design adds traction and confidence - Low rolling resistance and excellent cornering grip - Use with Bontrager TLR wheels, sealant, and rim strips for a complete tubeless system designed and tested to work together

Continental's Sprinter is light enough for serious racing, yet strong and durable enough for use as a training tire, too. Handmade in Germany, it's equipped with 3 layers of proprietary polyamide in the casing to deliver outstanding puncture protection. Plus, the Sprinter is rated for inflation pressures up to 170 psi so it's ridiculously fast.

- 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 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.

For the roads less traveled The GR1 Team Issue gravel tire is designed for fast rolling performance and consistent traction on the roads less paved. It has proven success at the most demanding gravel races and features Inner Strength Casing for lightweight puncture protection while maintaining a smooth, supple, fast feel. Plus, you can go tubeless for better performance and even more puncture protection. - A gravel tire that excels in fast and firm conditions - Fast-rolling and predictable cornering with consistent traction - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Supple and strong Inner Strength casing provides lightweight sidewall protection - Lightweight 120 TPI casing provides great ride feel and tire performance

For the roads less traveled The GR2 Team Issue gravel tire is designed for fast-rolling performance and biting traction on even the most rugged gravel roads. It has proven success at the most demanding gravel races and features Inner Strength Casting that provides lightweight puncture protection without sacrificing smooth, supple feel. Plus, you can go tubeless for better performance and even more puncture protection. - A gravel tire that provides excellent traction for confidence across the roughest roads - Fast rolling with consistent, predictable traction for a variety of road conditions - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Supple and strong Inner Strength casing provides lightweight sidewall protection - Lightweight 120 TPI casing provides great ride feel and tire performance

AW3 is the set-it-and-forget-it tire for road riders and commuters. It rolls fast and keeps the flats away with improved Hard-Case Lite puncture protection. Plus, it's made with a proprietary TR-Endure rubber compound and a lightly treaded design for confidence and traction. - Leading puncture protection with traction for confidence in all conditions - Improved Hard-Case Lite puncture protection provides best-in-class defense against flats - Proprietary TR-Endure compound delivers long lasting-traction in all conditions - Smooth-rolling, lightly treaded design with siping channels for traction and all-weather confidence

AW3 is the set-it-and-forget-it tire for road riders and commuters. It rolls fast and keeps the flats away with durable Hard-Case puncture protection. Plus, it's made with a proprietary TR-Endure rubber compound and a lightly treaded design for confidence and traction in all conditions. - Leading puncture protection with traction for confidence in all conditions - Improved Hard-Case puncture protection provides best-in-class defense against flats - Proprietary TR-Endure compound delivers long lasting-traction in all conditions - Smooth-rolling, lightly treaded design with siping channels for traction and all-weather confidence - 60 TPI - Folding bead - Clincher

ALL-ROAD From minimum maintenance to decaying pavement, rolling hills to near vertical climbs, Rampart was made for riders who want the freedom to pick their own path no matter what the road looks like. These tires were designed and inspired by our experiences riding and racing courses with varying conditions. HOW IT WORKS - Center tread is smooth and fast-rolling for straight-line speed; thicker center tread and durable casing lasts longer even on harsh surfaces. - Transition and side lugs consist of 3-2-1 siping for traction on all road surfaces.