700c, 27-Inch & 650c
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.
Indoor-training has never been so technical! Featuring our special compound and tread pattern and our strongest casing, this tire is designed expressly to disperse heat and reduce noise generated by home trainers. Keep your race tires clean and safe for race day, and spend your indoor-training miles on the Zaffiro Pro Home Trainer.
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: 26 x 1.4 (750g) 26 x 1.85 (1235g) 700 x 28c (725g) 700 X 32c (740g) 700 x 35c (850g) 700 x 38c (950g)
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
$27.95 - $34.95
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
$41.07 - $56.43
The Schwalbe Durano Performance Line Tire is a true mile eater. This popular option sports a few outstanding qualities: extremely high mileage construction, dual compound for best grip - even training on wet winter roads. It has has a proven RaceGuard protection belt for extra security out on the road.
$39.95 - $49.30
If you are searching for excellent quality for intensive use, look no further than the Schwalbe Big Ben. The Big Ben has the same comfort as its elder sibling, the Big Apple, but the profile is more focused and sized down.
The RiBMo is the essence of what a good urban tire is. A perfect blend of weight to strength and riding comfort with the proprietary ProTite Tech puncture material. - Urban/Commuter tire - Aramid (Kevlar) folding bead - 60-95 PSI
$26.99 - $27.99
- Recreational tire with raised center, slight lateral grooves for traction
IRC’s lightest and fastest road tubeless tires. A wider tread and cross-sectional shape provide improved rolling resistance. This tire is designed for high speed in dry weather conditions. - The Formula Pro Tubeless Light is IRC’s fastest road tubeless tire - A wider cross-sectional shape provides improved rolling resistance - This tire is designed for high-speed riding
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
Pursue your cycling passion with Serfas' Chase tire. This great all-around pavement tire features a long-wearing rubber compound for miles of fast, fun riding.
Using IRC's tubeless technologies, the tire fits perfectly on your tubeless compatible wheels. A 182TPI casing let you ride smooth on any rough surface. Serac CX X-GUARD offers you extra puncture resistance. - With a 182 TPI casing, Serac CX cyclocross tires provide a fast, smooth, and comfortable ride on any rough ‘cross course - Inner-air-seal prevents leakage - X-Guard adds a 40×40 TPI double-layer bead-to-bead puncture barrier for incredible durability
Michelin's best road tire for competition and training with more rolling efficiency. Allowed by its casing and sculpture for a sporty ride. More robustness, thanks to its aramid top reinforcement and its 3x120 TPI casing in the flanks. More longevity with X-Race Compound designed to optimize the wear of the tread. - X-Race Compound is a new rubber compound that combines rolling resistance, grip and wear to improve tire longevity - Grip Design provides safety on cornering - Aramid Protek+ casing features extra puncture protection
Beat your time against the clock with Michelin Power Time Trial tire. More rolling efficiency to drop seconds with the Race2 Compound and 3x180 TPI casing, lightweight thanks to the flexible aramid beads that combine robustness and lightness. Designed exclusively for Time Trial events, triathlons, triathlon marathons. - Race-2 Compound : New generation of rubber compounds designed to improve rolling resistance
$62.99 - $65.99
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, 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.
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 tubular combines a supple, 1000+ TPI Sealed Silk 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. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest 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.
Puncture protection and mileage are the strengths of Hardshell-ProTection. A wider PolyX Breaker, the specialist against punctures under the tread center and shoulders, provides for great reliability. The three-ply—each layer with 60 TPI—carcass covers the entire tire and makes it a real bastion against urban detritus. The outer sidewalls of the tire are reinforced with DuraSkin fabric, providing even more reliability due to the casing being so well protected. Hardshell tires are the puncture-resistant flagship amongst racing tires—produced exclusively in Germany. - Ideal when it comes to extremely long service life, for the next tour or the commute. - Made for rough surfaces and rugged tarmac.
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.
$44.00 - $45.00
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.
$55.00 - $60.00
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. - Centerslick tread pattern minimizes rolling resistance - Tall shoulder lugs add traction through corners and over soft surfaces - Tubeless ready for flat prevention, lower-pressure traction and comfort - Light and supple casing provides a plush ride and decreases rotational weight - Ideal internal rim width is 23 mm
A great value that brings many high-end features into an all-around tire at a great price point. Light enough to race on and durable enough for daily use. Because of the puncture-resistant belt under the tread, the Closer Plus offers a high level of balance between weight and puncture protection. - Road training/racing tire with All-Contact Tread shape and puncture protection belt - Long lasting, all-conditions Zero Slip Grip natural rubber with silica - Supple 400D Lite Extra Cord casing
- Unsurpassed all-weather traction. - Modeled after our Assurance All-Season automobile tire, the Transit Tour combines a durable, utilitarian construction with directional siped tread that offers unsurpassed all-weather traction. - Constructed to eBike approved standards and with reflective side strips enhancing twilight and night visibility, the Transit Tour provides robust flat protection along with a comfortable ride for your next journey.
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. - Urban/Commuter tire - Aramid (Kevlar) folding bead - Max PSI: 90
The Kenda Kwick Hybrid Tire features an aggressive semi-slick design with an all purpose tread pattern and a 60 tpi casing. - Aggressive semi-slick design - Kenda endorses the use of fluid based sealants only in specifically designated Kenda sealant compatible tire
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
Designed for intensive training, the Rubino Pro is equally suitable for racing events. This tire builds on the standard Rubino platform, utilizing the same exclusive 3C Graphene compound structure, long service life, puncture protection, and sharp handling traits, but substitutes a folding bead material for reduced weight. The Rubino Pro has long been a favorite for both training and racing, and with the addition of Graphene technology compounds, is more versatile than ever. - Fast-rolling Tubular casing construction - Exclusive Graphene 3C compound technology - Supple yet durable casing for extended use
The industry standard in performance training tires is back with a refreshed design and increased performance! The subtle center grooves and shoulder texture retain the secure feel of the Zaffiros of the past while streamlining the look and feel for the future. The alternating slick profile and Graphene compound mimic the feel of the Zaffiro's higher-end siblings while adding durability and a more approachable price point. - Extremely durable tires for performance training - Graphene 2.0 compound and folding bead increase performance - Modern tread design for long-lasting durability
Challenge's Almanzo is a wide-profile, versatile, multi-surface tire that excels when the road is less than perfect. It's great on dirt and in situations where you just don't know what the next mile will throw at you. The center tread rolls fast, while the shoulder knobs corner great. It's hand made on Challenge's supple and light 260tpi SuperPoly casing with double puncture protection, tough polyester in the sidewalls, and a durable tread compound that sticks to the road in the corners.