Tires/Tubes

This versatile hybrid and city tire is great for a variety of riding conditions and offers lightweight puncture protection, lasting durability, and reflectivity. Light, versatile, and durable Fast rolling and durable H2 Hard-Case Lite tires are perfect for riders with one bike, but multiple needs. They deliver the durability and confidence of a hybrid tire, plus the lighter-weight design rolls fast and provides great road feel. Hard-Case Lite gives riders lightweight flat protection and reflective sidewalls add visibility to this smooth rolling, versatile, and durable tire. Product details: - Excellent tire for streets, paths, and light trails - The updated tread design delivers confident traction that rolls smooth - Hard-Case Lite puncture protection provides lightweight durability - Sub-tread breaker belt helps prevent punctures - Tough 30 TPI construction for durability and longer tread life - Reflective sidewall strips for added visibility - Size-specific tread patterns with more traction on wider sizes and a faster-rolling design on narrower sizes - H2 tires in select larger widths consist of 3-6% recycled tires Features: A hybrid tire you’ll love H2 is our best hybrid tire and the perfect upgrade for your city bike. Better protection against flats means more riding, less punctures, and a longer lasting tire. Hard-Case Lite puncture protection Our lightest-weight puncture protection adds a layer of protection while keeping things light and without sacrificing ride quality. Reflective sidewalls Reflective sidewalls add visibility in low light conditions. They’re perfect for helping riders stand out on city streets and paths after dark. reCYCLE compound Bontrager's proprietary reCYCLE compound gives new life to old rubber! H2 tires in select sizes (700x40 and larger) contain 11% recycled material. Tread for how you ride H2 tires have a size-specific tread design. Larger tire sizes have additional tread for added traction and confidence, while narrower tire sizes have a smoother tread for a faster and more efficient ride.

A dependable and versatile tire that delivers traction on paths and trails yet rolls smooth and efficient on pavement. Durable versatility Unlock the trails less traveled and discover a new way to get to your destination. The Connection Comp light trail tire delivers ride-refining confidence on everything from well-worn paths or trails, urban commutes, or even the on the road less traveled. Hard-Case puncture protection for additional durability. - Designed for trail, path, and street with a smooth-rolling tread for confident traction - Hard-Case puncture protection helps protect against flats - Smooth-rolling center tread prvides the perfect balance of traction and efficiency - Pronounced side tread adds confidence across unpaved trails and when cornering

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

Take the durability and flat protection of a hybrid tire and engineer it for speed and great road feel and you get Bontrager's category-jumping H1 Hard-Case Lite. Around-town durable and on-road fast. • Road tire with hybrid tire construction • Excels on the road • Lghtweight sub-tread material protects against punctures • Reflective sidewall stripes for safety

The H5 Hard-Case Lite confidently rolls over any terrain with lightweight flat protection and a confidence-inspiring tread that provides great traction on a variety of surfaces. Added visibility from the reflective sidewalls make this tire even more versatile. - Excels on pavement and packed bike paths - Hard-Case Lite protects against punctures with superior, lightweight, sub-tread material - Reflective sidewall strips for added visibility - 30 TPI - Wire bead - Clincher

The H5 Hard-Case Lite confidently rolls over any terrain with lightweight flat protection and a confidence-inspiring tread that provides great traction on a variety of surfaces. Added visibility from the reflective sidewalls make this tire even more versatile. - Excels on pavement and packed bike paths - Hard-Case Lite protects against punctures with superior, lightweight, sub-tread material - Reflective sidewall strips for added visibility - 30 TPI - Wire bead - Clincher

Legendary tire designer Frank Stacy provides another race-proven mountain bike tire design in the XR2. The value-minded and super-versatile XR2 Comp offers outstanding quickness and cornering stability on hard-packed or loamy cross country courses. - A versatile trail tire that excels in loose-over-hardpack and firm conditions - Fast rolling with consistent, predictable traction for a variety of trail conditions

Legendary tire designer Frank Stacy provides another race-proven mountain bike tire design in the XR2. The value-minded and super-versatile XR2 Comp offers outstanding quickness and cornering stability on hard-packed or loamy cross country courses. - A versatile trail tire that excels in loose-over-hardpack and firm conditions - Fast rolling with consistent, predictable traction for a variety of trail conditions

A versatile hybrid and city tire that performs well in a variety of conditions and offers maximum puncture protection plus lasting durability and reflectivity. Our best puncture protection: H2 is our best hybrid tire, and with Hard-Case Ultimate you also get the very best in puncture protection. The versatile design is at home on streets, paths, and light trails and features an updated tread that rolls smooth and provides good cornering traction for a confident, efficient ride. Lasting durability, a long-wearing tread, and reflective sidewalls help make this tire a proven winner. Product details - Excellent tire for streets, paths, and light trails - The updated tread design delivers confident traction that rolls smooth - Hard-Case Ultimate puncture protection for the ultimate in tire durability - Sub-tread breaker belt helps prevent punctures - Anti-cut, bead-to-bead casing resists cuts from glass and sharp objects - Additional sub-tread co-extrusion provides maximum puncture protection - Reflective sidewall strips for added visibility - Size-specific tread patterns with more traction on wider sizes and a faster-rolling design on narrower sizes Features: A hybrid tire you’ll love H2 is our best hybrid tire and the perfect upgrade for your city bike. Better protection against flats means more riding, less punctures, and a longer lasting tire. Hard-Case Ultimate puncture protection Our best puncture protection delivers a triple layer of protection against flats with a sub-tread aramid breaker belt, a full bead-to-bead anti-cut casing, and a sub-tread co-extrusion. Reflective sidewalls Reflective sidewalls add visibility in low light conditions. They’re perfect for helping riders stand out on city streets and paths after dark. reCYCLE compound Bontrager's proprietary reCYCLE compound gives new life to old rubber! H2 tires in select sizes (700x40 and larger) contain 11% recycled material. Tread for how you ride H2 tires have a size-specific tread design. Larger tire sizes have additional tread for added traction and confidence, while narrower tire sizes have a smoother tread for a faster and more efficient ride.

A do-anything combination of low rolling resistance, Hard-Case tread and sidewall protection, and a grippy, all-weather compound with siped tread for enthusiasts who want one tire for year-round riding. - Excels on the road in a variety of conditions - Hard-Case triple flat protection protects against punctures

Bontrager's AW1 Hard-Case Tire is a great choice for riders who value flat protection, all-weather traction, and high-mileage durability. Its sub-tread puncture barrier keeps you rolling so you can concentrate on putting in the miles, and the bead-to-bead barrier protects you from sidewall cuts. This tire also sports a siped tread pattern for improved traction in wet or messy conditions.

An e-bike tire designed for smooth-rolling confidence and approved for the unique demands of eBikes at speeds up to 50km/hr. E-bike approved The E-6 is an e-bike specific tire designed to offer confident traction and lasting performance for the speeds and needs of eBike riders. The E-6 is approved for electric bike use up to 50km/hr. Reflective sidewalls increase visibility and the Hard-Case Lite puncture protection is optimized for the increased speeds and demands of eBike riders. Product details - Designed for city and pavement with a smooth-rolling tread that offers confident traction - E-bike approved for speeds up to 50km/hr - Designed to meet the unique demands of electric bike usage - Hard-Case Lite optimized for e-bikes with 1mm Kevlar puncture protection belt that offers great ride feel, and extra durability - Reflective sidewall strips for added visibility - 60 TPI - Wire bead - Clincher

An e-bike tire designed for smooth-rolling confidence and approved for the unique demands of eBikes at speeds up to 50km/hr. E-bike approved The E-6 is an e-bike specific tire designed to offer confident traction and lasting performance for the speeds and needs of eBike riders. The E-6 is approved for electric bike use up to 50km/hr. Reflective sidewalls increase visibility and the Hard-Case Lite puncture protection is optimized for the increased speeds and demands of eBike riders. Product details - Designed for city and pavement with a smooth-rolling tread that offers confident traction - E-bike approved for speeds up to 50km/hr - Designed to meet the unique demands of electric bike usage - Hard-Case Lite optimized for e-bikes with 1mm Kevlar puncture protection belt that offers great ride feel, and extra durability - Reflective sidewall strips for added visibility

This e-bike tire is designed for versatility with light tread for confident, smooth-rolling traction and approved for the unique demands of e-bikes at speeds up to 50km/h. E-bike approved The LT4 is an e-bike specific tire designed for confident traction and smooth-rolling performance for the speeds and needs of e-bike riders. The lightly treaded design adds versatility for both on and off the tarmac and is approved for electric bike use up to 50km/h. Reflective sidewalls increase visibility and the Hard-Case Lite puncture protection is optimized for the increased speeds and demands of e-bike riders. Product details - Designed for trail, path, and street with a smooth-rolling tread for confident traction - E-bike approved for speeds up to 50km/h - Designed to meet the unique demands of electric bike usage - Hard-Case Lite optimized for e-bikes with 1mm Kevlar puncture protection belt that offers great ride feel, and extra durability - Reflective sidewall strips for added visibility Specifications - TPI: 60 TPI - Durometer: 60a - Bead: Wire - Type: Clincher - Minimum pressure: 30psi - Max pressure: 50psi - ETRTO: 60-584 - Puncture protection: Hard-Case Lite - Studdable: No - Weight: 905g

Jump some curbs and find a new shortcut on the H5 hybrid tire. Sidewall knobs and water-shedding tread handle dirt and rain. Choose Hard-Case Lite or Ultimate protection. Key features - Excels on pavement and gravel paths - Lightweight, sub-tread material protects against punctures - Dual-layer, sub-tread material and sidewall reinforcement prevent punctures and cuts

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

• 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

Trek Factory XC Race Team’s go-to tire is lightweight, fast-rolling, and built with confident traction to fuel all-out efforts. Built to race—and win The XR1 Team Issue TLR is an ultra-fast, ultra-light cross country race tire that's ideal for rides where speed and acceleration are key. The smooth center tread makes it easy to maintain speed and a more aggressive side tread adds confidence for corners and techier sections. The TM-Speed rubber compound rolls faster and Bontrager's Inner Strength construction delivers lightweight protection against tread punctures. Product details - A lightweight XC race tire that excels in firm and fast conditions - Smooth, fast-rolling center tread with more aggressive side tread for added cornering confidence - Proprietary TM-Speed compound and 120 TPI construction rolls fast and smooth - Supple and strong Inner Strength casing provides lightweight sidewall protection - Tubeless Ready (TLR) for easy tubeless setup and puncture protection

Durable yet lightweight construction for confident traction in aggressive conditions and quick climbs back to the top. Rubber that rails The XR5 Team Issue is a lightweight trail MTB tire designed for maximum braking and cornering traction without compromising rolling speed. The dual-block center tread and aggressive side tread delivers a versatile tire that performs well in both the front and rear. The TM-Grip rubber compound bites harder and the Inner Strength construction offers lightweight sidewall protection. Product details - An aggressively treaded MTB tire with a lightweight construction for confidence in any terrain - Dual-blocked center tread with aggressive side knobs for confident cornering and braking traction - Proprietary TM-Grip compound and 60 TPI construction offers great traction and tire feel - Supple and strong Inner Strength casing provides lightweight sidewall protection - Tire bead chafer layer adds additional protection against abrasion and punctures - Tubeless Ready (TLR) for easy tubeless setup and puncture protection

Custom made for enduro racing, with DH toughness and all-mountain speed. Lighter, grippier, and even more durable The SE4 Team Issue Tubeless Ready tire offers incredible grip and fast-rolling efficiency in a lightweight enduro-spec casing. Our innovative Core Strength construction provides DH-level protection at a fraction of the weight. Combined with a 61/50 dual-compound rubber, this tire can handle the roughest terrain and live to ride another day. Product details - A robust enduro tire that excels in loose and rocky conditions - Aggressive tread design provides confident cornering and braking traction in demanding terrain - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Core Strength has sidewall and sub-tread protection for lightweight durability - 60 TPI - Folding bead

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

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

Lighter, faster, and longer lasting The all-new R3 Hard-Case Lite road tire rolls faster, with added traction, and a longer-lasting tread. The proprietary TR-Speed compound and updated Hard-Case Lite puncture protection increase both speed and durability while the lightly treaded design adds traction. With R3 you get a faster road racing tire that delivers added 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 - 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

Biting traction to tame even the most aggressive DH tracks. Our most aggressive DH tire Bontrager's World Cup-winning downhill tire gives you incredible braking control and traction at high speed over aggressive, loose, rocky terrain, wet or dry. The unique G5 tread profile provides maximum bite at any lean angle, with a predictable transition into controlled slides. Product details - A downhill tire that excels in loose, rocky, and wet conditions - Center knob tie-bar increases braking traction - Dual-step shoulder knobs for high lean angle traction - Open tread spacing is self-cleaning - Dual-Ply multi-layer casing adds stability for heavy-duty DH tires with added butyl layer to prevent flats

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

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

When bite and traction are required above all else, the Gnarwhal keeps you moving. Roll through the roughest terrain and deepest snow with the stud-ready aggressively treaded Gnarwhal. Key features - Excels in snow, ice, and slippery terrain - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Inner Strength casing is lightweight sidewall protection that's supple and strong - Studdable design allows for added traction in icy conditions - Easy install of available Bontrager Tire Studs with Bontrager Tire Stud Tool

The Caldera is designed as a durable tire that can handle the rigors of high-mileage training or commuting. - Thick crown tread provides longer-lasting wear - Durable 27 TPI casing

The CST Decade was designed for flatland BMX riding. - Smooth tread profile with no knobs to interfere with your feet while performing tricks

- 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 Vault uses an all-condition tread pattern suitable for street, park and dirt riding. With a textured surface and slightly raised shoulder knobs, the Vault rolls fast without giving up traction. - Textured surface and slightly raised shoulder knobs for fast rolling and cornering traction

The Thumper is a fast-rolling XC tire that handles predictably when things get loose. - Overlapping center knobs reduce rolling resistance - Durable 27 TPI casing

- Fast-rolling Cross Country mountain bike tire - Designed mainly for hardpack trails - Bead: non-folding - Weight: 770 grams (29-inch)

The CST BFT (Big Fat Tire) is a high-volume tire with an aggressive tread to provide outstanding traction on any trail. - Designed for trail and freeride use - Durable 27 TPI casing

CST C1779 Tires. The CST Metropolitan Palm Bay tire features a unique tread that will keep your ride both smooth and stylish. - Perfect for everyday city riding - APL Puncture-resistance features .7mm layer of rubber between tread and casing - Tread pattern designed for reduced rolling resistance with consistent traction - Reflective sidewall for added safety - 22 TPI casing

- All-around tire for hard pack to loose conditions - Center tread features low, wide knobs spaced widely apart to aid in mud shedding - Shoulder knobs have a tall profile to really dig in to loose soil - Folding bead version features a dual compound tread for improved grip, and EPS puncture protection

The Rock Hawk is designed as an all-condition trail tire that has an aggressive tread with widely spaced lugs. - Ramped center knobs reduce rolling resistance - Durable 27 TPI casing

The Sensamo Control provides all-season grip for urban riding and commuting. - Deep tread sipes and all-season rubber provide excellent grip - Reflective sidewall for increased low-light visibility - APL 0.7mm puncture protection layer under tread

The Rock Hawk is designed as an all-condition trail tire that has an aggressive tread with widely spaced lugs. - Ramped center knobs reduce rolling resistance - Durable 27 TPI casing

- 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

- Versatile tread pattern suitable for a broad range of conditions - Medium-height center knobs are ramped to reduce rolling resistance and are staggered to provide a consistent feel across the profile of the tire - Side knobs are fairly aggressive and provide excellent cornering grip - Available with a wire bead or folding bead with EPS puncture protection

The CST Ciudad is an an extremely durable tire that excels at urban riding and commuting. - Grooved slick tread rolls fast while offering consistent grip - 1.5mm layer of Kevlar between tread and casing to resist cuts and tears from road debris

- Excellent commuting tire - Ciudad offers a grooved-slick tread for low rolling resistance - Kevlar Inside puncture protection will keep you commuting even on the roughest roads, while the reflective sidewall provides increased night visibility - Bead: non-folding - Weight: 500 grams

- Versatile tread pattern suitable for a broad range of conditions - Medium-height center knobs are ramped to reduce rolling resistance and are staggered to provide a consistent feel across the profile of the tire - Side knobs are fairly aggressive and provide excellent cornering grip - Available with a wire bead or folding bead with EPS puncture protection

Before the Pika, gaining traction on gravel roads was a true feat. Now, it’s child’s play. Ramped center knobs roll fast on loose gravel, and U-shaped shoulder knobs dig in on the turns. The Pika is equipped with dual compound tread, EPS protection, and wire bead.

The CULT x Vans tire features Vans' classic waffle pattern. - Grippy in all situations - High-pressure sidewalls

The CULT x Vans tire features Vans' classic waffle pattern. - Grippy in all situations - High-pressure sidewalls

The CULT x Vans tire features Vans' classic waffle pattern. - Grippy in all situations - High-pressure sidewalls

The CULT x Vans tire features Vans' classic waffle pattern. - Grippy in all situations - High-pressure sidewalls

The CULT x Vans tire features Vans' classic waffle pattern. - Grippy in all situations - High-pressure sidewalls

The CULT x Vans tire features Vans' classic waffle pattern. - Grippy in all situations - High-pressure sidewalls

- 2-ply rubber shield fits between tire and tube to prevent flats - Pair

The Chicane is a super fast rolling tire providing maximum control on dry hardpack, wet grass, and icy conditions. 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.

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.

Continental bicycle tubes are made of seamless butyl rubber and are individually tested for top quality.

Unless you're running tubeless (and even if you are), it's a good idea to keep a spare tube or two around, so you can change a tire quickly and reliably, then get back to riding. Continental's Schrader valve tube has you covered. - 40mm Schrader valve

Single presta tube for a 27.5-inch/650B tire. - 27.5 x 1.75-2.50 - 42mm Presta valve

Continental bicycle tubes are made of seamless butyl rubber and are individually tested for top quality. - 42mm valve length

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.