700c, 27-Inch & 650c

Among our most versatile drop bar tires, the Venture delivers optimal performance across the widest range of conditions to serve as a truly set-it-and-forget-it gravel tire for riders who demand traction across a wide variety of terrain. Elevated centerline ridges provide consistent working edges that dig in whether hammering up a climb or leaning into a turn. Two rows of outer knobs provide confidence regardless of how hard you’re cornering while also providing substantial sidewall protection. Venture is the tire of choice when the destination is unknown but you’re sure to encounter a variety of terrain along the way. - The large, high-volume footprint of each Venture tire allows for more working edges of the tread to always be in contact with the terrain. - Rounded profile with vertical channels to enhance cornering characteristics. - High-volume casing enables comfortable ride. - Dual Compound Rubber means a fast-rolling tire with great cornering traction.

- Low profile and compact tread spacing for riding quickly and confidently over any kind of hardpack terrain, whether 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

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.

GRAVEL Whether your route covers rough roads or fast gravel, or even both in the same day, Washburn is built for the job. Its center slick provides awesome rolling efficiency on pavement and packed dirt, while the shoulder lugs take over in the turns, digging in for confidence in loose corners. HOW IT WORKS - Center tread is smooth to minimize rolling resistance and maximize speed. - Transition lugs are tightly spaced to provide progressive initial cornering traction. - Side lugs are spaced out to dig in while cornering and when riding over loose surfaces.

A fast-rolling road tire for everyday riding An everyday road tire with added traction and a longer-lasting tread. The R2 Hard-Case Lite brings proven puncture protection and durability to a lightly-treaded design that maximizes confidence across all road conditions. The R2 is a fast rolling, everyday road tire that delivers lasting performance. Product details - Designed for lasting durability and performance for everyday road riding - Hard-Case Lite provides lightweight puncture protection - 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

The RiBMo is the essence of what a good urban tire is. A perfect blend of weight to strength and riding comfort with a proprietary ProTite Tech puncture material. - Urban/Commuter tire - 60-95 PSI

This race-day-specific weapon has raised the bar on tire technology. The Corsa Speed uses a proprietary Graphene compound, which is then paired with an ultra-fine Corespun-T casing. The end result is a tire that maintains the lowest rolling resistance, while still providing the trademark Corsa suppleness and outstanding wet weather grip - 320 TPI Corespun cotton casing - Proprietary Graphene compound - Lightweight, flexible latex inner tube

MICHELIN's StarGrip tires have a fascinating history. MICHELIN engineers were charged with designing shoes that could “adhere even to a stainless steel plate with an oily surface.” The tire guys saw the shoe's tread and this tire was born. The tread features star-shaped ridges extending in all directions, and like the shoes, it cuts through water, snow and mud for an outstanding grip. The tire's compound is similar to those used for winter car tires, so it remains flexible in the cold to provide unrivaled traction on wet, slippery roads and trails. In addition, there's a high-density nylon layer beneath the tread for excellent puncture resistance. So regardless of the weather, you'll have tires that can handle the ride.

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

Our most dirt-focused Road Plus tire yet, the Byway Road Plus TCS tire delivers supple plus-size traction and smooth riding characteristics farther into the dirt. The Byway Road Plus tire allows riders to find comfort on remote gravel roads without feeling slow on the pavement required to reach them. - Smooth centerline for efficiency with diamond-shaped outer knobs for grip in the dirt - High volume tire enables comfortable ride - Dual Compound rubber means a fast-rolling tire with great corning traction - Designed to meet ETRTO standards, TCS (Tubeless Compatible System) tires feature the best of both worlds: they boast the ride benefits & reliability of a tubeless tire with the minimal weight of a tube-type tire

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.

MICHELIN's Dynamic Sport offers an excellent ride, high mileage and even puncture protection at a nice price. With its grippy tread, tough nylon casing and supple sidewalls, you'll enjoy all your road rides even more.

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

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

The MICHELIN Protek Max provides excellent grip on wet and slippery surfaces thanks to its rubber compound and progressive siping with more grooves on the shoulders. Protek Max tires feature MICHELIN's Protek tread design, with a uniform center pattern, that provides improved comfort and performance. A super-durable 5mm puncture protection layer helps to ward off punctures. - Smooth, siped tread rolls fast and grips the road well in wet conditions - 5mm puncture protection ply underneath tread - Reflective strip on sidewalls to provide added low light visibility - Long wearing tread compound Weights: - 700 x 28c (725g) - 700 X 32c (740g) - 700 x 35c (850g) - 700 x 38c (950g)

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

GravelKing SK Plus has a semi-knobby tread pattern with a super-tough puncture belt for aggressive gravel roads. GravelKing SK Plus has side reinforcement with Protite and a bead-to-bead nylon puncture belt, resulting in a 4-ply, super-tough casing.

- The SS and SS+ feature an all-new tread pattern consisting of a smoother, diamond pattern center with more aggressive side lugs. - This tread pattern allows the rider to keep speed going into corners and maintain control throughout any transition a gravel ride could present. - The GravelKing SS incorporates a supple 126 TPI casing with a nylon puncture resistant belt and Panaracer's proprietary ZSG (Zero Slip Grip) compound. - The SS+ uses the same build as the SS but adds a bead-to-bead layer of Panaracer's ProTite puncture material for even more protection against tread and sidewall cuts for those extra demanding courses or rides with sharp flint rock.

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

- Long-wearing urban tire with deep, aggressive tread to handle the roughest roads - Puncture-resistant 5mm thick rubber belt for additional protection - 27tpi casing and reflective sidewalls - Wire bead

- The exceptional profile and OneStar rubber compound make the Schwalbe X-One one of the fastest cross tires ever. - To make it the absolute high-flyer, mount it without a tube on a tubeless-compatible wheel. - In combination with the right wheel you can run tubeless tires for cyclo-cross with extremely low air pressures without fear of "Burping" (unwanted air leakage). - For instance, it works extremely well with the Iron Cross from No Tubes.

Schwalbe Pro One Road Tire is a fast, reliable, and light tire. the Pro One remains controllable at all times - on the fastest descents, in extreme cornering, in all conditions. - Minimal rolling resistance - All-around cut resistance and puncture protection - ISO Diameter: 622 / road / 29" - Tire Intended Use: Road - Tire Type: Clincher Tire - Type: Folding - Tire Diameter: 700c - Weight: 215g - Pressure: 6.0-10.0 Bar (85-145 psi) - Maximum load: 70 kg ADDIX Race Compound Offers tenacious grip at high cornering speeds and extensive durability in E-operation. Evolution Line The very best possible. Highest grade materials. Latest technology. V-Guard Extremely lightweight and cut-resistant high-tech fabric. Soupless Carcass Souplesse Carcass Construction Special turn-up construction for an exceptional riding experience in race tires.

- Maximum puncture protection - New dynamic profile - SmartGuard belt

- 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 compound has a much lower internal resistance making it particularly suitable for roller training. - Insider should not be used on the road! - Folding Bead

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

Smart Sam goes well on any terrain and even on the road it rolls effortlessly. It will roll over just about anything in the Double Defense version.

Ride on the sidewalk, off the sidewalk, over a curb, into the street, and across a bunch of dirt. Heck, with MICHELIN's Protek Cross Max tires, you can handle all types of terrain in any weather. Three dimensional cutting of the tread pattern creates versatility in all conditions, and ensures tread block mobility. In other words, you'll have superb grip, flat protection, and a smooth-rolling tire that's at home on all surfaces. Weights: 26 x 1.60 (980g) 26 x 1.85 (1285g) 700 x 32c (845g) 700 x 35c (950g) 700 x 40c (1100g)

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

The Energizer Plus has an ultramodern, dynamic touring profile with a smooth center section and strong diamond sides. It rolls easily on the road and has good grip, even on unpaved ground. The newly created Addix E-Compound is specially optimized for maximum durability, low rolling resistance and exceptional grip even at high speeds.

- A mixed terrain tire for a new era of riding, gravel, dirt, asphalt - Features a raised center for fast rolling on asphalt, with specially designed side knobs that corner well on dirt and maintain traction on the street - Hard to find 42c size bridges CX and mountain biking - A excellent choice for the Soma Double Cross, Saga, Wolverine and the New Albion Privateer - Made in Japan - Folding bead - Weight: 495g

Developed for the essential basic training at home. Particularly smooth running. The durable cold-running compound stops heat build up. - Suitable for training on rollers/home trainers only.

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

The G-One Speed offers an unleashing profile and is breathtakingly fast—especially when large tire volume is crucial. - G-One Speed is a tire for the real tough jobs - Guaranteed for maximum speed

Our most durable road offering - Diamond knurled slick design - MaxxShield for maximum puncture resistance - Training tire Our most popular training tire, providing excellent traction, durability, and plenty of road miles in any condition. Maxx Shield helps provide a tire that Re-Fuses to puncture.

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 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.

- Smooth-rolling tread pattern for street use - Deep grooves help sipe water away in wet weather

The Copperhead Road Tire is a high-volume roller with heavy sipes and grooves for comfort and control on pavement and smooth gravel. - Ideal replacement tire for casual touring, road, or pavement use - Clincher design

The Kenda Kross Cyclo Hybrid Tire works excellent in rocky/loose terrain and equally well on pavement. A great cyclocross tire for commuting and riding the local trails. - Please note, these tires are gumwall sidewall but the shading varies

- Deep grooves evacuate water and dirt efficiently

Make your mark on the gravel scene with the Gravel Grinder. This tire combines a fast rolling diamond center with aggressive shoulder knobs that only hook-up when the terrain gets soft, muddy, or a bit sketchy. 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 combines a supple, yet durable Corazza Armor casing for improved sidewall protection, excellent puncture-resistance from our PPS Ganzo, and a high mileage, grippy, natural SMARTplus compound. And puncture protection is enhanced when combined with the appropriate tubeless sealant. 260TPI SuperPoly casing.

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.

The Thunder Road is a smooth-rolling tire for use on road bikes. - Ideal replacement tire for casual road or pavement use - Clincher design

- Urban tire with road tread pattern - 5mm thick anti-puncture protection layer

Resolute 42 is the ultimate all-weather gravel tire for those who believe there is a perfect tread pattern for every ride. Small, square knobs deliver consistent bite into a variety of terrain, while the ample spaces between them prevent packing up when conditions become fun (a.k.a wet). Truly all-season in nature, its 42mm width makes it a set-it-and-forget-it gravel tire for endlessly undulating roads through all varieties of weather. Usage: Gravel / Monstercross Conditions: Dry to Wet / Hardpack to Loose Gravel - 650B: 440g - 700c: 460g

- Tubeless tires guarantee the lowest rolling resistance while maintaining very high puncture resistance

Looking for a tire that's more tread aggressive and wider than the mixte-tread narrower Gravel King? The GravelKing SK might just be the tire you need for the more hardcore roads. Aggressive knobs, ZSG Natural rubber compound, puncture protection breaker and AX-A special low rolling resistance casing make the Gravel King a go-anywhere tire. - Black multi-use gravel tread - Aramid (Kevlar) folding bead

- Urban/commuter tire with thick siped tread for all-weather traction with low rolling resistance - CB - Cable Bead, type of bead found on economically friendly folding tires that provides a durable, easy-to-install tire bead - 30 TPI

- Street tire - Grooved tread with directional siping - Wire bead

- Smooth round profile provides extremely low rolling resistance while medium depth siping extends onto the shoulders for all-weather traction - Durable thick rubber casing resists flexing and offers an increased, long-wearing lifespan - Folding bead makes it easy to pack an extra tire for emergencies on long rides - CB - Cable Bead, type of bead found on economically friendly folding tires that provides a durable, easy-to-install tire bead - 30 TPI

- Recreational tire with raised center for low rolling resistance - Fits older road bikes - Size: 27 x 1 1/4

- Grooved tread pattern suitable for rough street, gravel, rural roads - Wire bead - Size: 700 x 38c

The ultimate wet weather weapon Many a battle has been lost due to a lack of preparation. In Gravel and Cyclocross racing, having the right tires is often the critical difference between winning and learning the hard way. When developing the Terreno Wet tread, we worked with the top athletes to gather their wish-list of performance traits that would make the ultimate wet weather weapon. Versatility was the common thread. It had to roll like a race tire, corner on rails, and be virtually clog-proof. A tall order by any measure. The final product is a tread that performs unlike any other. With the open alternating-lugged design and full siping, the Terreno Wet delivers pro performance in a range of soft terrain. - Alternating center ridge rolls fast and provides forward traction - Full knob siping keeps the tread flexible on slick surfaces - TNT tire bead

- Hybrid tire for street or light trail use - Wire bead

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.

- Street tire - Grooved tread with directional siping - Wire bead - Size: 27 x 1 1/4 - ISO 630

Hurricane rolls fast and noiselessly, offering sufficient traction for short off-road excursions. - Schwalbe's Performance line of tires offers excellent quality and the best value for an intensive-use tire. - Dual compound - Wire Bead

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

Do endless miles of dirt road call to you? Are you looking for a boost to your speed in the next gravel grinder? Or, maybe you are planning a cross-country trek and want the quickest and most durable tire possible; look no further than the Alluvium Pro. The Kenda Alluvium Pro is an all-new gravel and adventure tire that is as capable on pavement as it is on hard-conditions singletrack. Featuring a tread design optimized for speed, with low profile knobs to aid in reducing rolling resistance combined with a new single tread rubber compound, the Alluvium offers both speed and grip. The GCT casing wraps the tire from bead to bead with a secondary casing layer acting as a shield against punctures and sidewall slashes. Seating the tubeless bead is made even easier with the GCT casing. A reflective hot patch on the tire adds visibility in low-light situations.