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.

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.

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.

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.

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.

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.

- Super fast and ideally suited for dry or grassy conditions, this is the tire to get you the win - Tubeless compatible for lower pressures and increased traction - UCI-legal 33mm casing - Use: Cross Racing: Dry, Grassy, Dusty or Icy Conditions - Size: 700 - Tire Width: 33 mm - Internal Rim Width: 15-19 mm - TPI: 120 - Bead: Aramid - Casing: Nylon - PSI: 40-75 - Color: Black-Black

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.

- Diamond File center tread rolls fast while deep side knobs grip the corners - Tubeless compatible - Superlight Nylon contruction - Use: All Around Gravel - TPI: 120 - Bead Aramid - Casing: Nylon

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.

- A great All-Around tire, GRIFO is Challenge's best-selling tread; a perennial World Championship winner - Tubeless compatible for lower pressures and increased traction - UCI-legal 33mm casing - Use: Cross Racing: All Around Soft Pack - Size: 700 - Tire Width: 33 mm - Internal Rim Width: 15-19 mm - TPI: 120 - Bead: Aramid - Casing: Nylon - BAR: 3.1-5.1 - PSI: 40-75 - Color: Black-Black

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.

- Challenge's newest 'cross tread for deep mud (and Portland) - Limusis Latin for mud - Tubeless compatible for lower pressures and increased traction - UCI-legal 33mm casing - Use: Cross Racing: Deep Mud - Size: 700 - Tire Width: 33 mm - Internal Rim Width: 15-19 mm - TPI: 120 - Bead: Aramid - Casing: Nylon - BAR: 3.1-5.1 - PSI: 40-75 - Color: Black-Black

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.

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.

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.

Glue yourself to technical turns and gain speed on the course with Challenge's Baby Limus Open tubulars. - Use: Cross Racing, Sticky Mud - Size: 700C - Tire Width: 33 mm - Rim Width: 15-19 mm - Weight: 360 gr - TPI: 300 - Bead: Aramid - Casing: SuperPoly - Flat protection: PPS - BAR: 2-6 - PSI: 30-90

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

- Proven Paris-Roubaix tread pattern with lower wearing tread - Handmade with a latex inner tube and hand glued natural rubber makes this tire super supple and fast - Double puncture protection offers the highest level of protection against punctures - Use: Rough Road, Cobbles, Big Riders, Hard Packed Dirt - Size: 28" - Tire Width: 36 mm - Internal Rim Width: 17-23 mm - Weight: 355 gr - TPI: 260 - Bead: Aramid - Casing: SuperPoly - Flat protection: Double PPS - BAR: 3-6 - PSI: 45-90

Continental's Town & Country is a durable workhorse on and off the road, built for stability, traction, and value. Police bike squadrons throughout the world use the Town & Country because of its puncture resistance, high mileage and low rolling resistance. The slick center rolls smoothly on pavement and the recessed tread offers control in the corners.

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 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.

At a time when mountain bike tires were unquestionably gum walled, the VelociRaptors came out in black and haven't looked back ever since. They changed the game in 1994 with a steering specific front and a rear that could really dig. The VelociRaptors continue to be popular because to put it simply...they just work. Try riding one of the most classic combos of all time. Usage: XC / Trail Conditions: Dry to Wet / Hardpack to Mud - Comp Tube-Type: 829g, DNA compound

Your bike is your freedom. Trails, bike paths, and roads await. The LT3 Hard-Case Ultimate is an all-condition, light trail specialty tire with reflective sidewalls that's designed for fast rolling on both pavement and trails without having to worry about rocks or debris causing flats. Key features - Excels on light to moderate trails - Open tread design for trail use

XR models now include 29" sizes. Same name, same technology and now more options than ever. Key features - A cross country race tire that excels in fast hardpack conditions - Super low multi-edged knobs for fast rolling predictable traction - Ultra-lightweight for fast acceleration

With 45NRTH's Dillinger studded fatbike tire, riding on ice and snow will never be the same. Over 200 lightweight aluminum-carbide studs allow you to rail icy off-camber singletrack with confidence and control. The Dillinger virtually launches you over the steepest and iciest climbs. And when you need to roll fast, tightly spaced center treads keep you moving.

Serfas' Drifter is a great tire for cruising down the bike path or rolling down city streets. The tough 69 durometer rubber maximizes mileage while the inverted tread reduces rolling resistance for efficiency on the road. Plus, Serfas' Flat Protection System lets you ride worry-free.

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. This EXO version adds an extremely cut and abrasion-resistant material to the sidewalls for extra peace of mind. - Folding bead - Weight: 650g (26 x 2.25), 705g (EXO 26 x 2.25), 790g (EXO 26 x 2.40)

Ideally suited to hardpack trails and city riding, Michelin's Country Rock offers excellent cornering grip and low-rolling resistance. The long-lasting carbon rubber compound provides extra longevity for hassle-free use.

The Connection Trail mountain bike tires deliver ride-refining confidence for journeys along a well-worn trail, and offer plenty of comfort when the path leads you to the road less traveled. Key features - Easy-rolling path and pavement tire - Excels on pavement and trail - Wire bead - Hard Case puncture protection