700c, 27-Inch & 650c

Bontrager's R4 Road tire is a high performance race tire that is built to go fast! The round profile and lightly textured tread low-rolling resistance and grip like glue in the corners. The 220tpi casing and folding beads deliver a wonderfully supple ride and lighten the tire considerably. You also get sub-tread protection against flat tires and equally impressive, Bontrager's unique aero wing design that improves airflow so that the R4 actually saves you energy on every ride.

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.

Bontrager's R1 Road is a super tire for training rides, centuries and all-around riding. The round profile and lightly textured tread offer low rolling resistance and grip like glue in the corners while the lightweight, high-density casing provides a supple ride you'll love.

Bontrager's Connection Trail Hybrid Tire delivers the ride-refining confidence of Hard-Case puncture protection for journeys along a well-worn trail or paths that lead to the road less traveled. • Easy-rolling path and pavement tire • Excels on pavement and trail

Limus means mud in Latin, which is exactly what Challenge's Limus Open tire excels in. Its deep, aggressive, and well-spaced knobs cut through muddy ground to grip great. And, you'll be zooming through the corners and off-camber sections, too, thanks to its side knobs, while you'll power up inclines with ease thanks to the tall center knobs. The Limus is built on the same supple 300tpi hand-made casing as their renown tubulars, and there's an anti-puncture strip under the tread and polyester in the sidewalls for excellent durability.

Hard-Case Lite with polyamide synthetic fiber reinforcement add puncture protection and durability to the super supple and fast rolling tread design. Key features: - Excels in cobbles and rough roads where traction and confidence matter most - High grip tread and compound performs in wet and dry conditions - Super supple polyamide synthetic fiber reinforcement for added casing strength - Hard-Case Lite protects against punctures with lightweight, sub-tread material - 38mm valve length with valve extenders available separately

With Bontrager's H1 Hard-Case Ultimate, riders get the most advanced line of defense against punctures and pinch flats. • Sub-tread co-extrusion provides maximum puncture protection • Anti-cut, bead-to-bead casing resists cuts from glass and sharp objects • Anti-pinch sidewall supoort prevents pinch flats • Aramid breaker belt protects against tread punctures

Race it hard or just head off the beaten path. Challenge's Strada Bianca gravel tire urges you to take the road less traveled. Challenge is world-renowned for their tubular tires, and these are prime examples of their trade, with the smooth riding characteristics and flat resistance that pros and enthusiasts expect. At a gravel and chip seal-smoothing 30mm wide, these tires have the extra volume it takes to comfortably fly over less-than-perfect surfaces. With their supremely supple 260tpi casing, hand-laid, high-mileage rubber tread, Paris-Roubaix-proven chevron tread, and double puncture barrier, the Strada Bianca tires offer incredible levels of control, puncture resistance, and comfort.

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

Challenge's Criterium is the choice of the pros. Countless victories and podiums have been been won thanks to its supple, core-spun cotton casing. It makes the tires race-day light, fast, and strong. This exceptional tire has a center tread that rolls quickly with a grippy side tread for excellent cornering. There's puncture protection under the tread, too. These tires us latex tubes which are lighter, thinner and more flexible than butyl tubes, increasing your comfort, lowering rolling resistance, and helping to prevent flats.

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. Key features - 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

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.

Challenge's Grifo 33 Open Tubular (Clincher) tire excels in snow, mud, grass, and firm dirt. It features a center section that offers excellent pedaling and braking traction, and its short knobs roll quickly. The Grifo is built on the same supple 300tpi hand-made casing as their renown tubulars, and there's an anti-puncture strip under the tread and polyester in the sidewalls for extra durability. The white-tread version is a softer rubber for better grip in cold temperatures.

Challenge's Grifo 33 Seta Extra Tubular boasts a tread that excels in snow, mud, grass and firm dirt. It's also built on their light and supple 260tpi hand-made silk casing for an awesome ride quality. Plus, there's an anti-puncture strip under the tread and polyester in the sidewalls for extra durability. You also get a latex tube. Latex tubes are lighter, thinner and more flexible than butyl tubes, increasing your comfort, lowering rolling resistance, and helping to prevent flats, too.

Limus means mud in Latin, which is exactly what Challenge's Limus 33 Tubular tire dominates. Its deep, aggressive and well-spaced knobs cut through muddy ground and grip great. You'll be zooming through the corners and off-camber sections thanks to its grippy side knobs, and powering up inclines with ease thanks to the tall center knobs. It's built on Challenge's light and supple 300tpi hand-made SuperPoly casing with polyester-reinforced sidewalls, and there's an anti-puncture strip under the tread. You also get a latex tube. Latex tubes are lighter, thinner and more flexible than butyl tubes, increasing your comfort, lowering rolling resistance, and helping to prevent flats, too.

Kiss pinch flats goodbye with Bontrager's tubeless-ready CX3. Run lower pressures and get traction performance that goes head to head with tubular tires for a fraction of the cost. • A great-cornering TLR cyclocross tire built for muddy and soft conditions • Excels in muddy and soft conditions • TLR tire engineered for use with TLR sealant (sold separately) for worry-free setup and puncture protection

Challenges Gravel Grinder Open Tubular is the tire you need to make your mark in the gravel racing scene. It pairs Challenge's supple 260tpi tire casing with a smooth-rolling center tread and aggressive shoulder knobs for great riding characteristics, high speeds, and excellent cornering traction.

Tough rides call for tough tires, so if you're hitting the cobbles you better have Challenge's Paris Roubaix Tubular glued 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 their light and supple 300tpi SuperPoly casing with polyester-reinforced sidewalls, and a durable tread compound that sticks to the road in the corners. These tires also use latex tubes which are lighter, thinner, and more flexible than butyl tubes, increasing your comfort, lowering rolling resistance, and helping to prevent flats, too.

Whether it's fondos or races, Challenge's Strada Tubular tires are the choice of pros and enthusiasts alike. At 25mm wide, these tires smooth out rough pavement and chip seal. The core-spun cotton casing is light, supple, and offers an unparalleled ride. Pair that with a latex tube and you've got tires that carve the corners and feature incredibly low rolling resistance. The chevron tread provides excellent traction whether it's wet or dry. A puncture-protection belt under the tread protects your tires from road debris and helps you knock out the miles.

Challenges Gravel Grinder Race is the tire you need to make your mark in the gravel racing scene. It pairs Challenge's supple 120tpi tire casing with a smooth-rolling center tread and aggressive shoulder knobs for great riding characteristics, high speeds, and excellent cornering traction.

Don't let a little mud bog down your cyclocross domination. Bontrager's CX3 cross tire is perfect for hardcore cross racers and plain ol' dirt road riders alike. Its aggressive tread pattern rips into grass and sheds mud on loose, wet cross courses. Equipped with extra sidewall puncture protection, the CX3 has structural support so you can run lower pressures for better traction in loose conditions while reducing the potential of pinch flats.

- Excels on the road, street, or path - Tubeless Ready (TLR) tire is engineered for easy tubeless setup and puncture protection - Hard-Case Lite protects against punctures with superior, lightweight, sub-tread material - Butyl-lined casing improves air retention for consistent tubeless ready performance - Reflective sidewall strips for maximum safety

Blow through the muck in your next 'cross adventure with the unbeatable traction of Challenge's Baby Limus tires. - Use: Cross Racing: Sticky Mud - Size: 28 - Tire Width: 33 mm - Rim Width: 15-19 mm - Weight: 425 gr - TPI: 300 - Casing: SuperPoly - Flat protection: PPS - BAR: 1.6-6 - PSI: 23-90 - Inner tube: latex

With Bontrager's Connection Trail Tire, you get the best of both worlds. The shallow, closely spaced knobs roll fast and smooth on pavement, but provide sure-footed grip when you roll off the beaten path.

Race it hard or just head off the beaten path. Challenge's Strada Bianca gravel tire urges you to take the road less traveled. Challenge is world-renowned for their tubular tires, and these are prime examples of their trade, with the smooth riding characteristics and flat resistance that pros and enthusiasts expect. At a gravel and chip seal-smoothing 30mm wide, these tires have the extra volume it takes to comfortably fly over less-than-perfect surfaces. With their supremely supple 260tpi casing, hand-laid, high-mileage rubber tread, Paris-Roubaix-proven chevron tread, and double puncture barrier, the Strada Bianca tires offer incredible levels of control, puncture resistance, and comfort.

Continental's Ultra GatorSkin combines 3 flat-protection technologies into one fast-riding, high-mileage racing and training tire. It features a super-fine 180 thread-per-inch casing, a bead-to-bead layer of DuraSkin, and is finished with a Kevlar-reinforced top layer. The result is a light tire that rolls and corners with the best of them while providing flat protection second to none.

Eliminate obstacles and leave worry in your wake. The LT2 Comp Hard-Case Lite is an all-condition, light trail specialty tire designed to be fast rolling on pavement and trails without worry about rocks or debris causing flats. Hard-Case Lite puncture protection provides a light weight barrier against flats while the fast rolling tread provides durable traction for path and trail. Key features - Excels on gravel and rough roads - Hard-Case Lite offers lightweight puncture protection - Open tread design for trail and path use

Fast rolling, durable hybrid tires with great traction. Highly versatile, smooth roller When you depend on your bike to get around town reliably, the H2 tire is a no-brainer. It's got a smooth rolling center and great cornering traction for a confident, efficient ride. Key features - Excels on pavement - Smooth-rolling and efficient tread design - Durable enough to prevent punctures from glass and stone - Strong puncture protection without the weight penalty

Excel on a multitude of surfaces with this lightweight, durable hybrid tire. Highly versatile, long-lasting smooth roller When the weather turns nasty and the pavement becomes treacherous, H2 Hard-Case Ultimate offers protection and performance. By combining the ultimate in lightweight flat protection with a fast rolling, versatile tread, this tire is ready for anything. Key features - Excels on pavement - Sub-tread co-extrusion provides maximum puncture protection - Anti-cut, bead-to-bead casing resists cuts from glass and sharp objects - Anti-pinch sidewall support prevents pinch flats - Aramid breaker belt protects against tread punctures

Bontrager's CX0 cross tire is modeled after their World Cup XC tires, and is perfect for hardcore cross racers and plain ol' dirt road riders alike. It's got progressive shoulder knobs for great cornering, siped knobs for claw-like grip on climbs and a fast-rolling center section. Equipped with extra sidewall stability, the CX0 has structural support so you can run lower pressures for better traction in loose conditions while reducing the potential of pinch flats.