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700c, 27-Inch & 650c

Donnelly Cycling LAS
LAS is the airport code for Las Vegas, Nevada, the original home of the world famous Cross Vegas cyclocross race. This mostly grass course required the fastest tire a racer could use and the LAS delivered. The diamond-file tread at the tire center offers extremely low rolling resistance for flat-out speed. However, if you take a close look at the LAS tread pattern the tread grows larger as it moves outside to the race-proven PDX side knobs for incredible grip in corners. Size: - 700 x 33mm Weight: - 284 grams TPI: - 120 Part #: - D10020 Product Features: - Diamond file tread patter for low rolling resistance. - Side knobs offer superior cornering. - Soft rubber compound provides extra grip and shock absorption. - Precision design creates a straight tire with no variances in size or alignment. - This tire should be used with a tube and not set up tubeless.
Donnelly Cycling LAS Tubular
$129.99
LAS was designed with speed in mind. Minimal tread equates to speed but secure shoulder lugs help bite when the bike is leaned in and out of corners. LAS is also the go-to for snowy, rutted, icy cyclocross course conditions, when you need as much surface contact as possible to keep your tires planted. - Diamond file center tread with progressive shoulder lugs for cornering - Tire Intended Use: Cyclocross - ISO Diameter: 622 / road / 29" - ISO Width (mm): 33mm - Labeled Size: 700 x 33 - Tire Bead: Folding - Tire Diameter: 700c - Tire Type: Tubular - Weight (oz): 13.3
Donnelly Cycling MXP
The MXP offers a unique tread pattern offering an amazing all-conditions tire that excels on grass, loose dirt, sand, moderate mud, hard pack and pavement. The MXP is named after the airport code for Milan, Italy, site of a World Cup cyclocross venue that calls for an all-conditions tire. The tread features the a classic profile with several modern updates. Precise grooves in the central chevrons allow the tread to flex while more aggressive side knobs offer traction and control beyond what you might expect. If you could only have one cyclocross tire in your quiver, the MXP is the one to have. Size: - 700 x 33mm Weight: - 330 grams TPI: - 120 Part #: - D10045 Product Features: - Center chevrons and staggered side knobs for all-conditions. - Side knobs offer superior cornering. -Soft rubber compound provides extra grip and shock absorption. - Precision design creates a straight tire with no variances in size or alignment. - This tire requires an inner tube. Tubes sold separately.
Donnelly Cycling MXP Tubeless
The MXP combines a unique tread pattern with our innovative tubeless ready design to provide an amazing all-conditions tubeless ready tire. It excels on grass, loose dirt, sand, moderate mud, hard pack and pavement. The MXP is named after the airport code for Milan, Italy, site of a World Cup cyclocross venue that calls for an all-conditions tire. The tread features a classic profile with several modern updates. Precise grooves in the central chevrons allow the tread to flex and more aggressive side knobs offer traction and control beyond what you might expect. If you could only have one cyclocross tire in your quiver, the MXP is the one to have. Size: - 700 x 33mm Weight: - 446 grams Type: - Tubeless Ready Part #: - D10042 Product Features: - Center chevrons and staggered side knobs for all-conditions. - Side knobs offer superior cornering. - Soft rubber compound provides extra grip and shock absorption. - Tubeless-ready design mounts easily to most tubeless ready rims. - Tubeless casing is reinforced for wear, features an Aramid bead. - Precision design creates a straight tire with no variances in size or alignment. - Can be used tubeless or with a tube.
Donnelly Cycling MXP Tubular
$129.99
The MXP Tubular combines a unique tread pattern with our innovative tubeless casing to create an amazing all-conditions tubular. It excels on grass, loose dirt, sand, moderate mud, hard pack and pavement. The MXP is named after the airport code for Milan, Italy, site of a World Cup cyclocross venue that calls for an all-conditions tire. The tread features a classic profile with several modern updates. Precise grooves in the central chevrons allow the tread to flex and more aggressive side knobs offer traction and control beyond what you might expect. If you could only have one cyclocross tire in your quiver, the MXP is the one to have. Size: - 700 x 33mm Weight: - 378 grams Type: - Tubular Part #: - D50010 Product Features: - Center chevrons and staggered side knobs for all-conditions. - 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
Donnelly Cycling PDX
When there is mud on the course the Donnelly PDX is the tire of choice. It’s race-proven PDX tread and innovative design create the ultimate race ready cyclocross tire. PDX is the airport code for Portland, Oregon, where frequent rains create some of the muddiest cyclocross courses you’ll find anywhere. Although the PDX excels in the mud, this tire is truly an all-conditions performer. The center knobs are aligned to give you a fast roll on hard pack and pavement, no matter what the weather conditions. Aggressive side knobs offer superior cornering, and the leading edge of the knob gives you extra traction for acceleration out of the corner. Whether it’s mud, loose dirt, snow or sand, the PDX can handle it all. Size: - 700 x 33mm Weight: - 314 grams TPI: - 120 Part #: - D10010 Product Features: - Tall and widely spaced knobs for superior mud clearance and traction. - Center knobs are aligned for fast rolling. - Side knobs offer superior cornering. - Soft rubber compound provides extra grip and shock absorption. - Precision design creates a straight tire with no variances in size or alignment. - This tire requires an inner tube. Tubes sold separately.
Donnelly Cycling PDX Tubeless
When there is mud on the course the Donnelly PDX is the tire of choice. It’s race-proven PDX tread and innovative tubeless design create the ultimate tubeless ready cyclocross tire. PDX is the airport code for Portland, Oregon, where frequent rains create some of the muddiest cyclocross courses you’ll find anywhere. Although the PDX excels in the mud, this tire is truly an all-conditions performer. The center knobs are aligned to give you a fast roll on hard pack and pavement, no matter what the weather conditions. Aggressive side knobs offer superior cornering, and the leading edge of the knob gives you extra traction for acceleration out of the corner. Whether it’s mud, loose dirt, snow or sand, the PDX can handle it all. Size: - 700 x 33mm Weight: - 426 grams Tire Type: - Tubeless Ready Part #: - D10012 Product Features: - Tall and widely spaced knobs for superior mud clearance and traction. - Center knobs are aligned for fast rolling. - Side knobs offer superior cornering. - Soft rubber compound provides extra grip and shock absorption. - Tubeless-ready design mounts easily to most tubeless ready rims. -Tubeless casing is reinforced for wear, features an Aramid bead. -Precision design creates a straight tire with no variances in size or alignment. - Can be used tubeless or with a tube.
Donnelly Cycling PDX Tubular
$129.99
PDX is designed to keep you tracking straight in sloppy, muddy conditions. True continuous center tread tracks straight, while widely spaced tread blocks shed mud. Firm shoulder lugs are ready to bite and conquer whatever cyclocross conditions await you on race day. - Widely spaced center lugs that grip well and shed mud quickly with progressive shoulder tread that grips securely in the corners - Tire Intended Use: Cyclocross - Labeled Size: 700 x 33 - Tire Bead: Folding - Tire Diameter: 700c - Tire Type: Tubular
Donnelly Cycling Strada USH
When speed is a top priority and the road is unpredictable, the Strada USH stands out as a light and fast tire that can handle it all. Combining a fast rolling center track with a scaled up herringbone tread your let it fly on straightaways and corner with conviction. This long lasting and hard wearing tire has you covered from commuting to big adventure days in the saddle. The USH is named for the airport code of Ushuaia on the island of Tierra del Fuego, Argentina. Ushuaia is the southernmost city in the world, and the ultimate destination for adventure bike touring. Size: - 700 x 40 mm Weight: - 472 grams Part #: - D10032 Product Features: - Fast, durable and smooth rolling center tread. - Exaggerated chevron pattern on sides for excellent cornering traction. - Integrated puncture protection belt under the tread. - This tire requires a tube. Tubes sold separately.
Donnelly Cycling X'Plor CDG Tubeless
The CDG is the airport code for the famed Paris airport, Charles De Gaulle and pays homage to the brutal cobbled roads used for Spring Classics like the Paris-Roubaix. This incredible road tire features a center section of tightly packed mini nubs that offer traction when you need it without sacrificing speed. The tread transitions to more aggressive, larger nubs towards the outside so you can lean into the corners with the utmost confidence. Even during a rainy day in Belgium. Size: - 700 x 30 mm Weight: - 420 grams Tire Type: - Tubeless Ready Part #: - D20089 Product Features: - Unique center-tread pattern provides excellent grip in wet or dry conditions. - Side nubs offer excellent traction while cornering. - Integrated puncture-protection belt. - Lightweight construction. - Tubeless Ready. Can be used tubeless or with an inner tube.
Donnelly Cycling X'Plor MSO
- An adventure tire designed for mixed conditions - Smooth-rolling center knobs and aggressive shoulder lugs - The combination of smooth-rolling center knobs and aggressive shoulder lugs provide great traction and durability for gravel roads, trails, cyclocross, urban assault and even pavement - The MSO will fit on your cyclocross or gravel bike, commuter, or touring rig - MSO is the airport code for Missoula, Montana, home of the Adventure Cycling Association and the inspiration for countless cycling journeys - Designed to bridge the gap between pavement and blazing your own trail
Donnelly Cycling X'Plor MSO Tubeless 700c
- An adventure tire designed for mixed conditions - Smooth-rolling center knobs and aggressive shoulder lugs - The combination of smooth-rolling center knobs and aggressive shoulder lugs provide great traction and durability for gravel roads, trails, cyclocross, urban assault and even pavement - The MSO will fit on your cyclocross or gravel bike, commuter, or touring rig - MSO is the airport code for Missoula, Montana, home of the Adventure Cycling Association and the inspiration for countless cycling journeys - Designed to bridge the gap between pavement and blazing your own trail
Donnelly Cycling X'Plor USH 700c Folding
When the route ahead is an unknown, the Donnelly X’Plor USH is the tire of choice. This adventure tire features a combination of firm center ridge and diamond-shaped side knobs that provide amazingly low rolling resistance and great cornering control. - Smooth-rolling and firm center tread for low rolling resistance - Diamond-shaped side knobs for excellent cornering traction - Integrated puncture protection belt under the tread - Tire Intended Use: Gravel - Labeled Size: 700 x 35 - Tire Bead: Folding - Tire Diameter: 700c - Tire Type: Clincher - Weight: 340 - Weight (oz): 12 - TPI: 120 - Flat Protection: Tread and Sidewall - PSI: 60
CycleOps Trainer Tire
CycleOps' 700x23c Trainer Tire is specifically designed for use on trainers for ultra quiet, smooth rolling durability.
Clement MXP Tubular 700c Cross Tire
- MXP is the airport code for Milan, Italy, a World Cup venue that calls for an all-conditions tire that excels in loose dirt, sand, moderate mud, hard pack, snow, grass, and pavement - Tubular version features a durable rubber coating to prevent deterioration from water, mud, and dirt - Based on the classic Grifo, with updated central chevrons to allow the tread to flex, and more aggressive side knobs - Weight: 366 grams
Challenge Tires Almanzo Pro Handmade Clincher
The Almanzo is the ideal tire for gravel and adventure riders seeking more control than the Strada Bianca and lower resistance than the Gravel Grinder. This handmade clincher combines a supple, 260TPI SuperPoly casing with natural rubber tread for long distance comfort, confident cornering, and quick handing. This tire includes PPS2, a combination of our sub-tread Puncture Protection System and an additional layer inside the casing to increase resistance to punctures. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. PPS 2 - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures. Designed for rough roads and gravel, PPS2 tires have an additional protection layer between the casing and the inner tube.
Challenge Tires Almanzo Pro Handmade TLR Clincher
Designed with the classic gravel grinder in mind, this tire crosses the line between road and cyclocross to provide the performance and comfort needed for long gravel/dirt road rides. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. TLR - TLR tires versions can be ridden tubeless with the addition of sealant but can also be run with an inner tube. - Handmade construction means maximum comfort. In this version, 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. PPS 2 - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures. Designed for rough roads and gravel, PPS2 tires have an additional protection layer between the casing and the inner tube.
Challenge Tires Almanzo Pro Handmade Tubeless Tubular
The Almanzo is the ideal tire for gravel and adventure riders seeking more control than the Strada Bianca and lower resistance than the Gravel Grinder. The Tubeless Tubular version, with 260TPI SuperPoly casing, offers a unique combination of tubeless and tubular construction that's more secure on the rim and more comfortable at lower air pressures, fast rolling, and compatible with both tubeless sealants and tubeless tire plugs. This tire includes PPS2, a combination of our sub-tread Puncture Protection System and an additional layer inside the casing to increase resistance to punctures. The Presta valve includes a removable core. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. Tubeless Tubular - The Tubeless Tubular system maintains all the performance benefits of the best handmade tubulars. A latex liner is fused to the casing, replacing the traditional inner tube and allowing for the use of a plug to finish a ride or race in case of a puncture too large for sealant to fix. PPS 2 - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures. Designed for rough roads and gravel, PPS2 tires have an additional protection layer between the casing and the inner tube.
Challenge Tires Baby Limus Pro Handmade Clincher
The Baby Limus is Challenge's all-around cyclocross tire designed for races with constantly changing conditions. This tire is ready to take on wet sand, sticky mud, or dry, fast, packed courses. This handmade clincher combines a supple, 300TPI SuperPoly casing with natural rubber tread for improved grip, confident cornering, and quick handing. This tire includes PPS, a Puncture Protection System placed between the tread and casing to increase resistance to punctures. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.
Challenge Tires Baby Limus Pro Handmade Tubular
$99.99
The Baby Limus is Challenge's all-around cyclocross tire designed for races with constantly changing conditions. This tire is ready to take on wet sand, sticky mud, or dry, fast, packed courses. This handmade tubular combines a supple, 300TPI SuperPoly casing with natural rubber tread, and a seamless latex inner tube for improved grip at lower pressures, confident cornering, and quick handing. The latex tube is lighter, thinner, and more flexible than a butyl tube, increasing your comfort, lowering your rolling resistance, and helping to prevent flats. The tube also includes a removable core Presta valve. This tire includes PPS, a Puncture Protection System placed between the tread and casing to increase resistance to punctures. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. Latex - Latex tubes are stronger, lighter, super supple, absorb shock, and conform precisely to terrain, reducing rolling resistance. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.
Challenge Tires Baby Limus Pro Handmade Tubular
$89.99
The Baby Limus is Challenge's all-around cyclocross tire designed for races with constantly changing conditions. This tire is ready to take on wet sand, sticky mud, or dry, fast, packed courses. This handmade tubular combines a supple, 300TPI SuperPoly casing with natural rubber tread, and a seamless latex inner tube for improved grip at lower pressures, confident cornering, and quick handing. The latex tube is lighter, thinner, and more flexible than a butyl tube, increasing your comfort, lowering your rolling resistance, and helping to prevent flats. The tube also includes a removable core Presta valve. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. Latex - Latex tubes are stronger, lighter, super supple, absorb shock, and conform precisely to terrain, reducing rolling resistance. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.
Challenge Tires Baby Limus Team Edition Handmade Tubular
$114.99
The Baby Limus is Challenge's all-around cyclocross tire designed for races with constantly changing conditions. This tire is ready to take on wet sand, sticky mud, or dry, fast, packed courses. This handmade tubular combines a supple, 320TPI sealed corespun cotton casing with natural rubber tread, and a seamless latex inner tube for improved grip at lower pressures, confident cornering, and quick handing. The latex tube is lighter, thinner, and more flexible than a butyl tube, increasing your comfort, lowering your rolling resistance, and helping to prevent flats. The tube also includes a removable core Presta valve. This tire includes PPS, a Puncture Protection System placed between the tread and casing to increase resistance to punctures. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. Sealed Corespun Cotton - To protect our cotton casings, we apply a special waterproof, bead-to-bead coating. This treatment keeps the casing lighter, softer, and more supple, extending the tire's life and brightness. Soft - The S stands for Softer and more Supple. This tire utilizes a softer durometer tread rubber especially valuable on track and cyclocross tires. Latex - Latex tubes are stronger, lighter, super supple, absorb shock, and conform precisely to terrain, reducing rolling resistance. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.
Challenge Tires Baby Limus Ultra Handmade Tubular
$144.99
The Baby Limus is Challenge's all-around cyclocross tire designed for races with constantly changing conditions. This tire is ready to take on wet sand, sticky mud, or dry, fast, packed courses. This handmade tubular combines a supple 1000+ TPI Sealed Silk casing with natural rubber tread, and a seamless latex inner tube for improved grip at lower pressures, confident cornering, and quick handing. The latex tube is lighter, thinner, and more flexible than a butyl tube, increasing your comfort, lowering your rolling resistance, and helping to prevent flats. The tube also includes a removable-core Presta valve. This tire includes PPS, a Puncture Protection System placed between the tread and casing to increase resistance to punctures. Handmade - Handmade tires combine many attributes to create the most comfortable and low rolling resistance tires. Sealed Silk - Silk is a strong, soft, natural fiber casing that unlocks peak casing and tire performance. Soft - The S stands for Softer and more Supple. This tire utilizes a softer durometer tread rubber especially valuable on track and cyclocross tires. Latex - Latex tubes are stronger, lighter, super supple, absorb shock, and conform to whatever objects impact it, reducing rolling resistance. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.
Challenge Tires Chicane Pro Handmade Clincher
The Chicane is a super fast rolling tire providing maximum control on dry hardpack, wet grass, and icy conditions. This handmade clincher combines a supple, 300TPI SuperPoly casing with natural rubber tread for improved grip, confident cornering, and quick handing. This tire includes PPS, a Puncture Protection System placed between the tread and casing to increase resistance to punctures. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.
Challenge Tires Chicane Pro Handmade Tubular
$89.99
The Chicane is a super-fast rolling tire providing maximum control on dry hardpack, wet grass, and icy conditions. This handmade tubular combines a supple, 300TPI SuperPoly casing with natural rubber tread and a seamless latex inner tube for improved grip at lower pressures for confident cornering and quick handing. The latex tube is lighter, thinner, and more flexible than a butyl tube, increasing your comfort, lowering your rolling resistance, and helping to prevent flats. The tube also includes a removable core Presta valve. Handmade - Handmade tires combine many attributes to create the most comfortable and low rolling resistance tires. Latex - Latex tubes are stronger, lighter, super supple, absorb shock, and conform to whatever objects impact it, reducing rolling resistance. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.
Challenge Tires Chicane Race Vulcanized TLR Clincher
$59.99
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.
Challenge Tires Chicane Team Edition S3 Handmade Tubular
$114.99
The Chicane is a super-fast rolling tire providing maximum control on dry hardpack, wet grass, and icy conditions. This handmade tubular combines a supple, 320TPI sealed corespun cotton casing with natural rubber tread and a seamless latex inner tube for improved grip at lower pressures, confident cornering, and quick handing. The latex tube is lighter, thinner, and more flexible than a butyl tube, increasing your comfort, lowering your rolling resistance, and helping to prevent flats. The tube also includes a removable core Presta valve. Handmade - Handmade tires combine many attributes to create the most comfortable and low rolling resistance tires. Sealed Corespun Cotton - To protect the cotton casing, we apply a special waterproof, bead-to-bead coating. This sealant keeps the casing lighter, softer, and more supple, keeping the tires looking bright and extending their life. Soft - The S stands for Softer and more Supple. This tire utilizes a softer durometer tread rubber especially valuable on track and cyclocross tires. Latex - Latex tubes are stronger, lighter, super supple, absorb shock, and conform to whatever objects impact it, reducing rolling resistance. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.
Challenge Tires Criterium Service Course Handmade Tubular
$104.99
The Criterium is a super fast rolling tire with impressive cornering control. Countless victories have been achieved on this world-class tire making it one of the most popular models for athletes and high performance riding. This handmade tubular combines a supple, 320TPI sealed corespun cotton casing with natural rubber tread, and a seamless latex inner tube for improved comfort, confident cornering, and quick handing. The latex tube is lighter, thinner and more flexible than a butyl tube, increasing your comfort, lowering your rolling resistance, and helping to prevent flats. The tube also includes a removable core Presta valve. This tire includes PPS, a Puncture Protection System placed between the tread and casing to increase resistance to punctures. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. Sealed Corespun Cotton - To protect our cotton casings, we apply a special waterproof, bead-to-bead coating. This treatment keeps the casing lighter, softer, and more supple, extending the tire's life and brightness. Latex - Latex tubes are stronger, lighter, super supple, absorb shock, and conform precisely to terrain, reducing rolling resistance. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.
Challenge Tires Criterium Ultra Handmade Tubular
$149.99
The Criterium is already a super fast-rolling tire with impressive cornering control. This model's silk (seta) casing enhances the tire's suppleness for an even more extraordinary ride. This handmade tubular combines a supple, 1000+ TPI Sealed Silk casing with natural rubber tread with a seamless latex inner tube for improved comfort, confident cornering, and quick handing. The latex tube is lighter, thinner, and more flexible than a butyl tube, increasing your comfort, lowering your rolling resistance, and helping to prevent flats. The tube also includes a removable core Presta valve. Handmade - Handmade tires combine many attributes to create the most comfortable and low rolling resistance tires. Sealed Silk - Silk is a strong, soft, natural fiber casing that unlocks peak casing and tire performance. Latex - Latex tubes are stronger, lighter, super supple, absorb shock, and conform precisely to terrain, reducing rolling resistance. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.
Challenge Tires Dune Pro Handmade Tubular
$89.99
The Dune is the Belgian's secret skill-building tire. Like the Chicane, this tire is a super-fast rolling sand tire that also works incredibly well on frozen courses. The small shoulder knobs are intended for riders with great bike handling skills. This handmade tubular combines a supple, 300TPI SuperPoly casing with natural rubber tread with a seamless latex inner tube for improved grip at lower pressures, confident cornering, and quick handing. The latex tube is lighter, thinner, and more flexible than a butyl tube, increasing your comfort, lowering your rolling resistance, and helping to prevent flats. The tube also includes a removable core Presta valve. Handmade - Handmade tires combine many attributes to create the most comfortable and low rolling resistance tires. Latex - Latex tubes are stronger, lighter, super supple, absorb shock, and conform precisely to terrain, reducing rolling resistance. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.