700c, 27-Inch & 650c

Continental's Grand Prix 4000 S Reflex II boasts Conti's Black Chili rubber compound for minimal rolling resistance, great traction, and long wear. The GP 4000 boasts a tough Vectran sub-tread for exceptional puncture protection, while the 330-tpi casing delivers a velvety-smooth ride. And, the Reflex model comes with a reflective strip along the sidewall for additional visibility in low-light conditions. If you're looking for the ultimate road tire, you've just found it.

The ultra-fast, semi-slick tread makes the Grand Prix TT a favourite in the race against the clock. When every second counts and every step must transmit the force perfectly, it is on the spot. The quick tyre makes every time trial and triathlon bike a fighting machine. The time specialist scores with low weight and high puncture resistance. A pure race tyre with reduced puncture protection and reduced mileage!

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.

Thanks to its DuraSkin anti-tear fabric, the Grand Prix 4-Season holds up under extreme conditions. In the Paris – Roubaix race, the “Hell of the North”, cyclists equipped with DuraSkin enhanced tires have the fewest tire-related problems during the race. Incorporating Continental's special wear resistant carbon compound, the tire is characterized by very good mileage performance as well as excellent adhesion on wet roads and at low temperatures. With the 23mm, 25mm, 28mm, and 32mm versions, the Grand Prix 4-Season makes it possible to select the right tire for various road qualities and comfort requirements. A double Vectran Breaker belt under the tread raises the puncture and cut protection to the highest level available on the market.

The Grand Prix 5000 is the best all-rounder in the field, brought to a whole new performance level. Ride faster, more comfortably, and with increased puncture protection. Its Active Comfort Technology absorbs vibrations and smooths your ride. Lazer Grip technology, designed to make you one with the road, features a lasered micro profile structure that expands over the tire’s shoulder and provides outstanding cornering. The Vectran Breaker is lighter, more flexible and protects more effectively against cuts than comparable nylon. With incredible tear resistance at a very low weight, it possesses exactly the right properties to be a premium puncture protection insert, while not adversely affecting rolling resistance. The Grand Prix 5000—made to make you better. With Continental's unique and legendary BlackChili tread compound, produced only in Germany, they have revolutionized the sport of cycling. This compound answers the eternal question of the best balance of grip and rolling resistance for cycling. Regular test wins confirm the measurable and noticeable advantages for cyclists, established in both the lab and on the road. The latest polymers, as well as specially developed carbon black particles and filler materials, guarantee ultimate performance.

The Grand Prix 5000 is the best all-rounder in the field, brought to a whole new performance level. Ride faster, more comfortably, and with increased puncture protection. Its Active Comfort Technology absorbs vibrations and smooths your ride. Lazer Grip technology, designed to make you one with the road, features a lasered micro profile structure that expands over the tire’s shoulder and provides outstanding cornering. The Vectran Breaker is lighter, more flexible and protects more effectively against cuts than comparable nylon. With incredible tear resistance at a very low weight, it possesses exactly the right properties to be a premium puncture protection insert, while not adversely affecting rolling resistance. The Grand Prix 5000 Tubeless—made to make you better. With Continental's unique and legendary BlackChili tread compound, produced only in Germany, they have revolutionized the sport of cycling. This compound answers the eternal question of the best balance of grip and rolling resistance for cycling. Regular test wins confirm the measurable and noticeable advantages for cyclists, established in both the lab and on the road. The latest polymers, as well as specially developed carbon black particles and filler materials, guarantee ultimate performance.

The Grand Prix 5000 S Tubeless Ready allrounder tires are lighter, faster and supported with stronger sidewalls, compared to previous GP5000 versions. Designed to be compatible with hooked and hookless rims, this new standard in road tubeless ready technology will allow you to ride faster, more comfortable and with increased puncture protection. - Hookless rim compatible up to 73 PSI / 5 bars - The tubeless ready (TR) carcass construction is robust and impervious against damage and penetration from foreign objects. The result: versatile, low weight and an attractive design. In addition, tires made using this technology can also be used as Tubeless or with an inner tube - Vectran Breaker is a synthetically manufactured high-tech fiber with an enormous tear resistance at a very low weight: Exactly the right properties to process into a premium Continental bicycle tire as a puncture protection insert - Active Comfort Technology absorbs vibrations and smoothens your ride - Lazer Grip, to make you one with the road. The lazered micro profile structure expands over the tire’s shoulder and provides outstanding cornering - BlackChili Compound provides the best balance of grip and rolling resistance for cycling

Continental's Grand Prix 4000 S Tubular is destined for greatness. The seamless casing makes it easy to glue the tire to the rim, and this race-worthy tire has all the suppleness and incredible road feel you expect from a handmade German tubular. This sew-up also boasts Continental's Black Chili compound and Vectran Breaker Belt, so you get increased puncture protection as well as superior traction and handling.

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.

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

The Kwick Drumlin is hard to beat: K-Shield protection and a long lasting compound make it a reliable companion. Burly side knobs give confidence and grip on wet or loose conditions. Feels at home on concrete as well as gravel paths and forest roads.

Michelin's Mud 2 is a proven World Cup performer. The Mud 2 sports a unique tread pattern with center knobs split into two distinct blocks. The result is superb mud evacuation, exceptional grip, outstanding cornering adhesion and low-rolling resistance. And, the supple casing helps take the edge off the rough stuff.

The Thunder Road is a smooth-rolling tire for use on road bikes. - Ideal replacement tire for casual road or pavement use - Clincher design

The Tour is a great budget urban or touring tire. Offered with or without reflective sidewalls for extra nighttime cycling safety. Excellent wet weather tread. - Wire bead

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. - Steel (Wire) bead

All around touring or commuting tire with ProTite protection, Panaracer's best-ever puncture prevention technology. Its comprehensive size range insures that you can find a Pasela for most any usage. Ride it and trust it. - Urban/Commuter tire

- Excellent urban or touring tire - 400D Lite Extra casing cord for a supple and responsive ride - ProTite now provides 25% more puncture resistance over older PT technology - Amber Sidewalls

Looking for a tire that's more tread aggressive and wider than the mixte-tread narrower Gravel King? The GravelKing SK might just be the tire you need for the more hardcore roads. Aggressive knobs, ZSG Natural rubber compound, puncture protection breaker and AX-A special low rolling resistance casing make the Gravel King a go-anywhere tire. - Black multi-use gravel tread - Aramid (Kevlar) folding bead

Gravel road riding is all the rage at the moment. It's great for cyclists who want to leave sealed roads behind and enjoy the freedom of cycling on unpaved roads. Designed to suit diverse touring styles, the GravelKing uses a mixture of properties that also accommodate on-road cycling. Featuring ZSG Natural compound, anti-flat Casing, and Advanced Extra Alpha Cord. - Black multi-use gravel tread - Aramid (Kevlar) folding bead

GravelKing SK Plus has a semi-knobby tread pattern with a super-tough puncture belt for aggressive gravel roads. GravelKing SK Plus has side reinforcement with Protite and a bead-to-bead nylon puncture belt, resulting in a 4-ply, super-tough casing.

The strongest version of GravelKing now has even better puncture resistance, with the use of ProTite Shield Plus for withstanding tough conditions. Developed with ZSG compound to enhance durability and wear resistance. Lightweight, ultra-thin 'Ax-Alpha Cord' has been used to make it even lighter in weight. - Ideal for gravel and dirt, rough and smooth pavement - Folding (Aramid) Bead with ProTite Shield Plus Protection

- The SS and SS+ feature an all-new tread pattern consisting of a smoother, diamond pattern center with more aggressive side lugs. - This tread pattern allows the rider to keep speed going into corners and maintain control throughout any transition a gravel ride could present. - The GravelKing SS incorporates a supple 126 TPI casing with a nylon puncture resistant belt and Panaracer's proprietary ZSG (Zero Slip Grip) compound. - The SS+ uses the same build as the SS but adds a bead-to-bead layer of Panaracer's ProTite puncture material for even more protection against tread and sidewall cuts for those extra demanding courses or rides with sharp flint rock.

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.

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.

Serfas' Seca Wire Bead Road Tire is the ultimate training and commuting tire. Its center hard tread offers low rolling resistance and long life while its softer sides provide excellent cornering. This tire also boasts Serfas' superior flat protection.

Serfas' Seca Survivor Road Tire is the ultimate high-mileage training tire. It delivers an ultra-long tread life along with a great road feel. Thanks to its 4 glass- and thorn-thwarting layers, the Survivor has superior puncture protection as well. Plus, this tire is rated to 130 psi to keep you flying on smooth pavement.

27 x 1-1/8-inch replacement tire from Sunlite. - Bead: Wire - TPI: 27

- Raised center and directional lateral tread for city and rural roads - Wire bead - Size: 700 x 38c

- Trail/road tire with raised center, assertive lateral lugs - Wire bead - Size: 700 x 38c

- Hybrid/touring tire for fast rides and commuting - Wire bead