700c, 27-Inch & 650c

Many of the fastest riders in the world place their trust in these handmade German tubulars. The Competition is a world-class tire proven everywhere from the cobbles of Paris-Roubaix to your local crit series. The 180-thread-per-inch, 3-ply casing offers a velvety-smooth ride and the Vectran sub-tread provides exceptional puncture protection, reduced rolling resistance and a great road feel.

BOS is the airport code for Boston, Massachusetts, the original hotbed of North American ‘cross and home to some of the harshest weather and the toughest courses. If you’re pinning on a number in New England you better be ready for rain, roots, ruts and mud. And, you better have a set of Donnelly BOS tubulars in your quiver. This tire is even more aggressive than our mud-proven PDX. It features buttressed side-knobs for outstanding traction in super muddy corners and off-cambers, and a center tread pattern that is all bite when it comes down to a tractor pull. Size: - 700 x 33mm Weight: - 386 grams Type: - Tubular Part #: - D50030 Product Features: - Buttressed side-knobs for superior cornering traction. - Unique center knob pattern designed for maximum traction when you need it most. - Soft rubber compound provides extra grip and shock absorption. - Tubeless design means an airtight casing with no inner tube to puncture. - Rubber-coated sidewalls are extremely durable and prevent deterioration from water, mud and dirt. - No additional sidewall coating necessary. - All in one construction means tread will not peel away from the tubular casing. - Precision design creates a straight tire with no variances in size or alignment. - The tire and base tape are consistently straight making it easy to glue and install to your wheel. - A removable valve core allows for valve extenders installation as well as insertion of tire sealant. - Liquid sealant can be used with all Donnelly tubulars to prevent or repair typical punctures.

The Grand Prix 5000 S Tubeless Ready allrounder tires are lighter, faster and supported with stronger sidewalls, compared to previous GP5000 versions. Designed to be compatible with hooked and hookless rims, this new standard in road tubeless ready technology will allow you to ride faster, more comfortable and with increased puncture protection. - Hookless rim compatible up to 73 PSI / 5 bars - The tubeless ready (TR) carcass construction is robust and impervious against damage and penetration from foreign objects. The result: versatile, low weight and an attractive design. In addition, tires made using this technology can also be used as Tubeless or with an inner tube - Vectran Breaker is a synthetically manufactured high-tech fiber with an enormous tear resistance at a very low weight: Exactly the right properties to process into a premium Continental bicycle tire as a puncture protection insert - Active Comfort Technology absorbs vibrations and smoothens your ride - Lazer Grip, to make you one with the road. The lazered micro profile structure expands over the tire’s shoulder and provides outstanding cornering - BlackChili Compound provides the best balance of grip and rolling resistance for cycling

- The P ZERO Race TLR is crafted to pack all the benefits of tubeless technology into a race-ready all-rounder which outperforms all cycling clinchers that we have created before, tubulars included. - Pirelli designed this new tubeless-ready tire with the new SmartEVO compound and the TechWALL+ casing technology to provide our Professional riders, as well as all cycling enthusiasts, with a superior product! - Techwall+ Road: New TLR casing technology with multiple layers of reinforcement to provide superior puncture protection within a lightweight structure - 28c and 30c width is compatible with hookless rims according to ETRTO 5bar/73psi max pressure limitations. 24c and 26c width are NOT compatible with hookless rims.

P ZERO Race TLR synthesizes the advantages of the tubeless technology in an all-rounder cycling tire for high-intensity training sessions and races. The TechWALL+ Road carcass improves reliability against punctures without affecting the weight of the tire, while the special SmartEVO Compound enhances grip performance both on wet and dry asphalt compared to our previous cycling compounds. The tread pattern of P ZERO Race TLR is an evolution of the design of P ZERO Velo: several seasons of research and development on the roads of the World Tour led to a new design that enhances the behavior of the bicycle in all weather conditions. - Using experience from World Tour racing, coupled with a constant desire for excellence, the Pirelli engineers have developed the best-performing all-around bicycle race tire ever conceived by the iconic brand. - The P ZERO Race TLR is crafted to pack all the benefits of tubeless technology into a race-ready all-rounder that outperforms all cycling clinchers that we have created before, tubulars included. - After three years of development working with the fastest racers at the World Tour level, including men's and women's 2019 UCI World Champions, Pirelli designed this new tubeless-ready tire with the new SmartEVO compound and the TechWALL+ casing technology to provide our professional riders, as well as all cycling enthusiasts, with a superior product! - SmartEVO Compound is a new formulation that enhances the already excellent performance of our previous road cycling compounds. The experience of motorsport competitions and World Tour winner input led to our best road cycling compound ever. - Techwall+ Road: New TLR casing technology with multiple layers of reinforcement provides superior puncture protection with lightweight construction.

- The P ZERO Race TLR is crafted to pack all the benefits of tubeless technology into a race-ready all-rounder which outperforms all cycling clinchers that we have created before, tubulars included. - Pirelli designed this new tubeless-ready tire with the new SmartEVO compound and the TechWALL+ casing technology to provide our Professional riders, as well as all cycling enthusiasts, with a superior product! - Techwall+ Road: New TLR casing technology with multiple layers of reinforcement to provide superior puncture protection within a lightweight structure - 30c width is compatible with hookless rims according to ETRTO 5bar/73psi max pressure limitations.

Schwalbe One Tires. Schwalbe's fastest and most reliable competition tire. Featuring a the new OneStar Triple Compound.

- 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 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.

The Corsa Control tackles greasy cobbles and rough roads with all the confidence of Vitttoria's classic Corsa. This chevron tread pattern adds dynamic performance to the Corsa Control tread, allowing for increased grip on slippery surfaces, as well as added durability. - 4 separate Graphene compounds deliver speed, suppleness, durability, and reliability - Corsa level confidence for rough roads - Reinforced Corespun-K casing for increased sidewall protection

- 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.

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

The Corsa has been the race-day choice of pros for years and is now better than ever. The Corsa achieves the holy grail of performance: speed, suppleness, durability, and reliability. Whether winning a Grand Tour, or a local crit, the Corsa family delivers world-class performance. - 320 TPI Kevlar reinforced Corespun-K casing for increased sidewall protection - 4 separate Graphene rubber compounds

Speed and reliability for riders pursuing a new performance level Corsa N.EXT is the exciting new addition to the Corsa family. Designed to satisfy the requirements of enthusiast cyclists who clock up the miles on long and demanding weekly rides, Corsa N.EXT combines Vittoria's peerless knowledge of racing performance with the durability of a long-lasting nylon casing that uses a unique Silica and Graphene compound for improved rolling efficiency, grip and longer wear-life. To increase puncture protection, the central section of the casing features 3 layers of nylon as well as an additional puncture protection belt. Corsa N.EXT is the first road racing tire to feature a QR Code—printed on the tire hot patch—for easy access to useful technical information about the tire. Racing inspired speed and feel, with the everyday durability of nylon construction - New combination of Silica and Graphene compound for improved rolling efficiency, grip and longer wear-life - Nylon casing provides durability, for daily racers who want to raise the bar of their performance relying on a long-lasting tyre - Proven tread design used by Vittoria teams in the World Tour

- The Successor of the famous P Zero Velo 4S: a further evolution of our best-selling all-season tire. - SmartEVO compound enhances performance on wet and cold tarmac, while the new TechBELT construction continues to provide the handling and racing feeling that made the PZero family famous all over the world. - A slightly thicker tread improves the mileage of the tire, making it the ideal solution to cycle in every season without giving up on its racing soul.

Our all-year-round tyre and a reliable companion for those high mileage road cyclists - Solid partner for training rides and in competition, come rain or shine - Outstanding puncture protection, reliable tread with good grip and the highest mileage - A tire with a superior durability ready for any season

Thanks to its DuraSkin anti-tear fabric, the Grand Prix 4-Season holds up under extreme conditions. In the Paris – Roubaix race, the “Hell of the North”, cyclists equipped with DuraSkin enhanced tires have the fewest tire-related problems during the race. Incorporating Continental's special wear resistant carbon compound, the tire is characterized by very good mileage performance as well as excellent adhesion on wet roads and at low temperatures. With the 23mm, 25mm, 28mm, and 32mm versions, the Grand Prix 4-Season makes it possible to select the right tire for various road qualities and comfort requirements. A double Vectran Breaker belt under the tread raises the puncture and cut protection to the highest level available on the market.

The Corsa has been the race-day choice of pros for years and is now better than ever with 4C Graphene compound technology! The latest Corsa is an evolution of the brand and brings multiple industry-first technologies to market. Starting with our supple yet durable 320 TPI Corespun-K reinforced casing and adding a proprietary mix of 4 different Graphene compounds, the new Corsa achieves the holy grail of performance: speed, suppleness, durability, and reliability. Whether winning a Grand Tour or a local crit, the Corsa family delivers world-class performance. - 4 separate Graphene compounds deliver speed, suppleness, durability, and reliability - Reinforced Corespun-K casing for increased sidewall protection - Folding bead

The Corsa Control tackles greasy cobbles and rough roads with all the confidence of the classic Corsa. Sharing the same 320 TPI Corespun-K reinforced casing and technical 4C Graphene compound technology, the Corsa Control adds a textured shoulder tread to the mix. This chevron tread pattern adds dynamic performance to the Corsa Control tread, allowing for increased grip on slippery surfaces as well as added durability. - Corsa level confidence for rough roads - 4 separate Graphene compounds deliver speed, suppleness, durability, and reliability - Reinforced Corespun-K casing for increased sidewall protection

The Sprinter is characterized by excellent rolling characteristics due to the supple carcass. It demonstrates its strength especially in use with criteria. When maximum acceleration is needed, this tyre is the one to rely on. The competitor convinces with low weight and a balanced ride.

- 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

The Sprinter GatorSkin inherits the best qualities of the ever-popular original Sprinter, namely the durable tread compound and effective puncture resistance. GatorSkin simply adds confidence-inspiring durability and the sidewall protection of DuraSkin to an already race-proven winner. Pro riders use a similar combination in their tires for Paris-Roubaix and other equipment-destroying classics in the springtime. If you want to get the miles in, but your streets aren't covered with the finest tarmac, this is your tubular.

Over 10 years of aero product development with a focus on real-world performance has led us to tire development. Tire shape and construction greatly influence aerodynamics, rolling efficiency, and your confidence. SES Road Tires are proven in CFD and the wind tunnel to reduce drag and are constructed to deliver rolling efficiency, durability, and a confidence inspiring ride—regardless of the weather. - Application: Road, Road Race, Triathlon, Time-Trial, All-Road - Smart ENVE System Aero Optimized Shape and Tread Design - Natural and Synthetic Rubber Compound w/Activated Silica for All-Weather Performance - Tubeless Ready and Inner-Tube Compatible - Hookless and Hooked-Bead Rim Type Compatible - Inner-Rim Width Compatibility: 25c (17-21mm); 27c, 29c, 31c (17-25mm) - Weight: 25c (255g), 27c (265g), 29c (275g), 31c (285g) - Vectran Protection Barrier

Continental's Grand Prix 4000 S II boasts Conti's Black Chili rubber compound for low rolling resistance, impressive traction and long wear, making for one of the fastest tires in the peloton. The GP 4000 S II also uses a tough Vectran sub-tread for exceptional puncture protection, while the 330-tpi casing delivers a velvety-smooth ride. If you're looking for the ultimate road tire, you've found it.

- New tread design, improved compound and quality workmanship - The Schwalbe One sets a new benchmark in terms of quality and performance

With our PolyX Breaker, we bring our car expertise to the bicycle tire segment: Polyester has been used successfully for years in car tires and been tried and tested many times. The extremely resistant polyester fiber is woven tightly crosswise. In this way, a very high fabric density is reached, which not only makes the Breaker more resistant to foreign objects but is also especially resistant to punctures. The rolling resistance is also not negatively affected by the PolyX Breaker. - The right tire when it comes to tough conditions. - The right choice for a strong performance in the urban field and on tour.

Designed for intensive training, the Rubino Pro is equally suitable for racing events. This tire builds on the standard Rubino platform, utilizing the same exclusive 3C Graphene compound structure, long service life, puncture protection, and sharp handling traits, but substitutes a folding bead material for reduced weight. The Rubino Pro has long been a favorite for both training and racing, and with the addition of Graphene technology compounds, is more versatile than ever. - 150 TPI Nylon casing for high mileage - 3 compounds in the tread (3C) for increased wear life and better rolling - All-rounder for any condition - Functionalized GRAPHENE 2.0 compound allows for increased wet grip

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

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

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