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.
Special compound and tread pattern and our strongest casing are designed expressly to disperse heat and reduce noise generated by home trainer use. - Ideal for rollers or turbo trainer - Also available for 26 inch MTB wheel size
$14.95 - $24.95
The K40 is a reliable tire for recreational use. Its grooved tread provides traction on pavement. Kenda K40 Street tires are designed for a variety of paved road conditions while providing comfort at a economical price - Fits EA3/E3/650A Rims typically on English 3 Speed bikes
- Developed for extreme road conditions like the cobblestones of the Paris-Roubaix. Protect’Air MAX latex sealant required for use. Exceptionally light. - Utilizes a dual compound for better performance. - Multi-use tire that suits challenging cycling conditions from pavement to gravel.
Training tire benchmark now benefits from Vittoria’s G+ Isotech compound for its even better tread life and secure grip. Together with the trusted strong nylon casing, the Zaffiro Pro delivers a very long service life with a good balance in performance and price. - Economical tire with a long service life - Modern tread pattern design - Graphene-enhanced compound for durability and puncture resistance - Folding bead
$29.99 - $36.99
- Aggressive cross country/all mountain tire that excels in loose terrain and provides unsurpassed traction on hardpack - Bread: Wire
Called 29+ by those in the know, Surly's Dirt Wizard tire provides float, cushion, and traction like a fat bike tire, but keeps the handling fast and responsive with its 29 x 3.0-inch size. There's also a choice between a 60 or 120 threads-per-inch casing, so you can decide whether you're interested in supple or very supple tires. Intended for rims 50mm wide, its aggressive knobbies deliver excellent traction and control in corners and through loose, mixed terrain.
$12.49 - $14.99
• Entry-level BMX-style tire with sturdy casing for longevity • Wire bead • Size: 14 x 2.125
The S-5 Black Steel Tire in K62 Tread is a great tire for any road bike. - K62 tread pattern - Made from quality Kenda rubber - ETRTO: 37-547 - Wire bead
$35.99 - $41.95
Schwalbe's Marathon is the archetypal touring tire. Their highly elastic, 3mm India rubber GreenGuard layer almost eliminates flats over the course of the tire's excellent, long life. Whether you're setting out on a cross-country bike tour, cruising on a tandem, or just want peace of mind during your daily commute, the Marathon Supreme is in it for the long haul.
• Urban tire with raised center for reduced rolling resistance • Size: 20 x 1 3/4 • ISO 419
The Country Grip'r is an affordable all-condition off-road tire that rolls fast and provides excellent traction in everything from hardpacked to loose terrain. - All condition tread features moderate center lugs for climbing/braking, and progressive shoulder lugs for cornering traction
Continental’s Tour Ride reliably rolls over most surfaces, making it a real all-rounder. The smooth center tread offers effortless riding on smooth surfaces, and the larger side knobs let you handle loose dirt and gravel, too. Plus, there's a protective sub-tread that prevents punctures and a tough tread compound to keep you going for miles and miles. - Bead Seat Diameter (BSD): 584mm - 675 grams - 50-65 psi
• Recreational tire with raised center, slight lateral grooves for traction • Size: 24 x 1 3/8
Every now and then you get lucky and the course is dry as opposed to the usual mud fest for which cross is so famous. When this day happens, the Continental's Cyclocross Speed's super-fast center section blazes hardpack and pavement while aggressive shoulder lugs give you for predictable, fast cornering. The 35mm casing ensures a comfortable footprint that's less likely to flat in the rough stuff, too.
Mountain bike tires: there's a new boss in town. Serfas' 29-inch Sheriff tire is made from a long-wearing rubber compound and features a great small-knob tread pattern to give you traction on paths, trails and city streets.
$50.00 - $58.00
Vittoria's AKA is a pro race tire with small-block, well-spaced, directional center tread and aggressive side knobs for predictable cornering. - Available in wire bead, folding bead, or TNT tubeless-ready
$43.99 - $98.99
- Well-spaced and siped lugs help keep rolling resistance at a minimum even while running low air pressure - Large siping of lugs provides additional grip in sand, snow, and other unfavorable conditions - Staggered corner lugs provide a stable and predictable turning platform - Available in 120 TPI for a supple, obstacle conforming tire, or 30 TPI for a durable yet forgiving casing
$64.99 - $69.99
Maximum Grip This new All Mountain tire, developed with top Enduro riders, offers improved grip and propulsion as well as excellent braking thanks to its mix of three rubbers. The Race Compound sub-layer works in direct proportion with how hard you pedal, ensuring the utmost in performance. Its outer Traction Compound rubber provides for outstanding braking and maximum power without sacrificing propulsion. And its GRIP Compound, featuring bilateral rubbers, guarantees incredible grip so you can let yourself go while riding. Awaken your Senses Thanks to its Trail Shield Technology, a strong and resilient mix of a 3x60 TPI carcass and a reinforced, high-density casing, the MICHELIN WILD AM is extra tough and durable and therefore perfect for trail and All Mountain riding. Label E-Bike Ready For improved traction and safety: enhanced grip on dry and wet surfaces. And for increased durability and carrying heavier loads: strong and resilient carcasses.
The Tacx trainer tires have been developed specifically for riding indoors on bike trainers. The special rubber minimizes the risk of overheating, slipping, and wear and tear. They are also quieter than regular rear tires on both road and mountain bikes. Tacx trainer tires are not suitable for outside riding.
$33.99 - $44.99
The Pasela ProTire is available in a wide range of sizes. It incorporates ProTite technology for puncture protection and has two excellent all around tread patterns. A series renewal offering the same basic performance with enhanced puncture resistances. - Urban/Commuter tire - Aramid (Kevlar) folding bead - 40-90 PSI
The Mountain King II Sport is the perfect trail ride companion — it's not stingy on grip, and ideal for full-suspension trail bikes. Snappy central knobs and grippy outer knobs offer maximum grip while the durable casing and long-lasting tread is made for sporty riders.
Sunlite's Street S-7 Tire is an urban tire with a raised center rib for reduced rolling resistance. - Size: 16 x 1-3/4 S-7 - ISO: 317mmm - Bead: Wire - Max PSI: 50 - Weight: 438g * Not interchangeable with tires labeled "16 x 1.75"
The Krylion 2 Endurance provides the supple ride qualities that MICHELIN is known for, along with a long wearing tread and extreme puncture protection. - MICHELIN's Bi-Compound rubber has extreme durability, low rolling resistance, and provides extra cornering grip - Excellent puncture resistance thanks to its bead to bead protection - Tire Type: Clincher - Tire Bead: Folding
• Cruiser tire with beveled diamond-shaped tread for traction • Flame design • Wire bead • Size: 24 x 3.0
$18.00 - $19.99
• Urban tire with raised center for reduced rolling resistance • Size: 26 x 1 3/4 • ISO 571
Mike Aitken's popular signature tires for street and dirt. Ideal for use at high speeds. - 20 × 2.25, and 20 x 2.45 Dual ply casing
The CULT x Vans tire features Vans' classic waffle pattern. - Grippy in all situations - High-pressure sidewalls
Pasela is Panaracer's standard all around touring or urban commuting tire. Its comprehensive size range ensures that you can find a Pasela for most any usage. Ride it and trust it. - Urban/Commuter tire - Steel (Wire) bead - 65-100 PSI
$45.99 - $49.99
T-Serv ProTite is a great performance tire for urban city use, incorporating ZSG compound, 400D Lite Extra Cord, and ProTite puncture resistant technologies. Hands down, T-Serv is the best urban strength-to-weight ratio tire on the market today. Need to get through your urban jungle quickly and reliably? T-Serv is the answer. - Folding bead
$29.95 - $37.95
It’s all in the name, ThickSlick. Made with a burly casing designed to withstand the roughest urban conditions, while the no-nonsense, slick design provides the bite you need in the concrete jungle. Need more rubber? The nearly indestructible Flat Guard level, with its Urban Armor Casing and added rubber everywhere, provides optimal protection to contend with any city streets. It's no one wonder why this tire has a cult following among couriers, those not wanting to deal with flats, and value-conscious consumers. ThickSlick Benefits: - Puncture Protection: The thicker a tire, the harder it is for glass, pins, staples, and other urban unpleasantries to worm their way in. - 2x the Rubber: Twice the rubber tread equates to twice the lifespan of a tire. This means your price is 50% off the competition. - Smoother Ride Quality: Twice the rubber makes for a smoother ride through the natural absorption qualities of rubber. - Usage: Urban, Recreation, Utility - Conditions: Road
• Cruiser tire with large air volume for shock absorption • Wire bead
$31.95 - $57.95
FAAAASSSTT! The Nano 40c is built for speed, and let’s just politely say it delivers. A 40mm, rounded profile and an elevated centerline provide enough volume for lower tire pressures and a smoother ride while still reducing drag and rolling resistance. This makes for an all out gravel destroyer that can still appease those clamoring for a truly big cyclocross tire. Winner? We think so. So does everybody else. Don't believe us? Just ask. Everybody's irrefutable favorite, 'nough said. Usage: Gravel / Cyclocross Conditions: Dry to Damp / Hardpack to Sand - TCS Light/Fast Rolling: 530g, Dual DNA compound - Race Tube-Type: 470g, DNA compound - Comp Tube-Type: 550g, DNA compound
Our no-nonsense basic road replacement tire at an affordable price, designed to deliver the performance and miles you want on a budget. Features: - Optimized Outer Tread Area For All Riding Conditions - Slick Center Tread For Fast Rolling Performance Specs: - Bead: Wire - Dimension: 700 x 23, 700 x 25 - Pressure: 130 PSI - Weight: 315 Grams, 345 Grams
A robust tire with a modern look for city riding - Solid tires for town and city bikes also suitable for tarmac and gravel paths - Good traction from its large contact patch with the terrain - High reliability, best quality: gets you to where you want to go on time!
Training tire benchmark now benefits from Vittoria’s Graphene compound for its even better tread life and secure grip. Together with the trusted strong nylon casing, the Zaffiro Pro delivers a very long service life with a good balance in performance and price. - Economical tire with long service life - Modern tread pattern design - Graphene-enhanced compound for durability and puncture resistance
$19.99 - $36.99
- Aggressive cross country/all mountain tire that excels in loose terrain and provides unsurpassed traction on hardpack - Bread: Wire
Kenda K50 tires are all-purpose tires with short knobbies. - Classic design for replacement and repair
$51.95 - $52.50
Schwalbe's Marathon Plus is legendary for durability and protection. Their nearly impenetrable 5mm-thick SmartGuard layer almost eliminates flats over the course of the tire's excellent, long life. Whether you're setting out on a cross-country bike tour, cruising on a tandem, or just want peace of mind during your daily commute, the Marathon Supreme is in it for the long haul.
$29.95 - $35.95
Have you ever found yourself stuck in a rainstorm and wondering if the tires on your bike will get you home safely? The Cruz tire's All Weather tread pattern wicks water away from the key contact points on the tire while the shallow tread blocks facilitate an efficient, low resistance roll. So, enjoy an extra cup of coffee at the cafe knowing that you don't have to race the storm home...you'll be cruising home with confidence. Features Urban Barrier Protection. Usage: Urban, Recreation, Utility Conditions: Pavement, Bike Path Compound: Fast Rolling Bead: Wire - 29" Flat Guard: 1053g, Flat Guard casing - 29" Comp: 770g, Durable casing
An open tread designed tire that provides a combination of low rolling resistance, low weight, and dry condition grip to deliver fast rolling hardpack XC performance, no matter the course. - Low-profile, ramped leading edge knobs - Stepped side knobs for progressive cornering feel - 100% siping for tactile grip
$31.95 - $33.99
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
$14.99 - $24.99
• Urban/recreational tire with shallow, grooved tread for multiple conditions • 24 x 1.75
Sunlite's Cruiser 80 are balloon-like tires with grooved tread, large air volume for shock absorption. - Bead: Wire
$55.00 - $65.00
Designed with the unknown in mind, the Rutland takes the guesswork out of selecting the right tire for the ride. Ramped, tightly spaced center lugs reduce rolling resistance while more aggressive shoulder and transition lugs provide grip in loose conditions. - Light & Supple—When extra puncture protection isn’t necessary, our light and supple casing offers decreased weight and a comfortable, ultra-supple ride quality at lower pressures when set up tubeless. - Durable Bead-to-Bead—This construction consists of a robust woven nylon composite reinforcement between the outer rubber and the inner casing within the tire’s sidewalls to prevent tearing and abrasions. Additionally, a tightly woven layer of protection under the treadcap defends against punctures.
$50.00 - $60.00
From minimum maintenance to decaying pavement, rolling hills to near vertical climbs, Rampart was made for those who wish to conquer any road. These tires were designed and inspired by experiences riding and racing courses of varied terrain, and the uncharted routes that connect them. The Rampart offers increased volume and an ultra-smooth ride quality on rough pavement (and well beyond). The 28mm, 32mm, and 38mm widths fit modern disc geometry frames to add even more comfort and traction. - Durable casing: Features a layer of woven aramid fiber reinforcement between the outer rubber and the inner casing under the tread. This material is twice as strong as Kevlar and lighter in weight than any competitive product. It provides moderate protection against abrasion and sharp road debris that may result in a flat tire. - Light & Supple casing: When extra puncture protection isn’t necessary, light and supple casing offers decreased weight and a comfortable, ultra-supple ride quality at lower pressures when set up tubeless.
Kenda Kadre tires feature large gripping knobs that give riders the ultimate control. - Debris clearing pattern helps to clear dirt and mud from tread
The Ridgestone combines a slick center with progressive knurling and grippy sides. - 120 tpi construction, wire bead - High-rated pressure 100 PSI
The Kenda Street BMX Series Tires are constructed of a steel bead and are available in a variety of sizes.
• Recreational tire with raised center for low rolling resistance • Fits older road bikes • Size: 27 x 1 1/4
Serfas' Seca Wire Bead Road Tire is a great all-round training tire thanks to a long tread life, great cut resistance and superior road feel. The harder center ridge provides low-rolling resistance, while the softer sides enhance your cornering capabilities. For speed on smooth courses, it's rated at 125 psi and Serfas' Integrated Flat-Protection System offers excellent puncture protection. And, the reflective sidewalls dramatically increase your visibility in low light.
Serfas' Krest is a fast and predictable XC and all-mountain tire. It uses ramped, medium-height knobs in the center for speed and tightly spaced lugs all around for constant traction and solid braking. It can be used as both a front and rear tire in all conditions.
Serfas' Seca-RS Road Folding is a superb tire combining a fast-rolling, long-wearing 60-durometer rubber center tread with 56-durometer sides for excellent cornering. This fine tire also boasts a compliant 120 thread-per-inch casing and Serfas' excellent Flat-Protection System.
$59.95 - $79.95
The Z-Max has been Ritchey's signature MTB tread pattern for well over a decade. The Z-Max Evolution WCS features aggressive lugs that are spaced wide and shortened for faster handling, reduced rolling resistance and lighter weight. The sticky, slow-rebound rubber compound on the sides of the tire ensures you can take fast lines on the toughest trails.
$66.00 - $67.00
Get after it with Maxxis' Ardent holding the line. This versatile tire features large block-style side knobs with numerous edges for high-speed corners along with a ramped center tread for easy rolling. Plus, the high-volume casing delivers a plush ride. The EXO version adds an extremely cut and abrasion-resistant material to the sidewalls for extra peace of mind. - Folding bead - Weight: 700g (29 x 2.25), 750g (EXO 29 x 2.25), 805g (EXO 29 x 2.40)
MICHELIN's Wild Race'R Ultimate Advanced (29-Inch) is a versatile cross-country tire from the rubber gurus at MICHELIN. Well-placed knobs promote efficiency and provide exceptional grip. And the shoulder knobs provide superb traction for predictable, progressive cornering. It's tubeless-ready and has a supple 110 tpi casing.
Finally, there's a tire specifically made to withstand the demands of riding on an indoor trainer. Continental's Hometrainer is built to handle the heat and friction the trainer's roller puts on the tire so that you can ride with minimal tire wear and save your regular Contis for ruling the road. The Hometrainer tire is for riding on a trainer; not for outdoor use.
$44.99 - $67.99
Tough rides call for tough tires, so if you're hitting the cobbles you better have Challenge's Paris Roubaix Clincher on your wheels. It has a wide profile to take the sting out of rough pavement and dirt roads, and puncture protection under the tread. It's hand made on Challenge's lightweight 300tpi SuperPoly casing with tough polyester in the sidewalls, and a durable tread compound that sticks to the road in the corners. - 285 grams
- Designed for city commuter bikes - 26 x 2.125 inch
- Hybrid/touring tire for fast rides and commuting - Wire bead