700c, 27-Inch & 650c

The Booster tire has been proven on the World Cup circuit and is now taking the same grip and versatility to gravel grinding and cyclocross. The Booster Pro features the same progressive tread pattern and performance rubber compound as its larger MTB brother. It's wrapped with Kenda's GCT flat protection for tread and sidewall coverage while also optimizing the tire for tubeless use, resulting in one of the fastest and lightest aggressive-conditions gravel/cross tires on the market. No longer do you need to choose between a tire that is either fast and light or provides great traction: the new Booster Pro combines the best of all worlds. - New tread design—Modern and aggressive look, optimized for fast rolling and best-in-class cornering traction - New race compound—The Booster utilizes a newly developed race compound that is fast and grippy, especially on dry, loose over hard, and rough and rocky terrain - Offered in a gravel-specific GCT casing that includes tread and sidewall puncture & slash protection - Tubeless ready

The Kenda Komfort is a strong, durable, lightweight hybrid tire that is designed for smooth trails, bike paths, and street use.

- Performance and adhesion in all weather. - Specific grooved design for wet terrain. - Superior compound thickness with Kevlar reinforcement for durability.

From pro-level race bikes to sport, fitness and adventure bikes, Giant delivers the benefits of tubeless tire technology to riders of all types. Features - Fast-rolling gravel tread design with enhanced traction on loose surfaces - Tubeless Ready design allows for reduced air pressure to enhance comfort and reduced risk of punctures - Supple, 60 TPI casing for better performance and control - Tread compound optimized for 30% pavement, 70% gravel or dirt road riding - Wire Bead

- RR-S compound provides ultimate low rolling resistance and excellent all-around grip - Optimized compound profile provides better tire shoulder grip for outstanding cornering capability - Fast all-around tread pattern for maximum speed on the road - Race Shield Puncture Protection features exclusive ultra-lightweight and cut-resistance - Kevlar material ensures maximum puncture protection - Carbon/Kevlar Composite Bead keeps the tire secured to the rim and provides greater strength to withstand the higher pressures needed for road tires

- New RR-S compound provides ultimate low rolling resistance and excellent all-around grip - RR-S compound provides ultimate low rolling resistance and excellent all-round grip - Optimized compound profile provides better tire shoulder grip for outstanding cornering capability - Fast all-around tread pattern for maximum speed on the road - R-Shield Puncture Protection ensures a high level of puncture protection - Carbon/Kevlar Composite Bead keeps the tire secured to the rim and provides greater strength to withstand the higher pressures needed for road tires

- New RR-E compound features efficient rolling and durability in the center of the tire with a tackier shoulder, offering increased grip and stability when cornering - Low rolling resistance combines with high mileage through the use of a fast, efficient, and durable compound in the center of the tire with a tackier compound on the shoulder - Optimized compound profile provides better tire shoulder grip resulting in outstanding cornering capability - Endurance-Specific Tread Pattern Design for better wet/mix-terrain grip - Race Shield Puncture Protection features exclusive, ultra-lightweight, and cut-resistant Kevlar material, ensuring maximum puncture protection - Carbon/Kevlar Composite Bead keeps the tire secured to the rim and provides greater strength to withstand the higher pressures needed in road tires

- New RR-E compound features efficient rolling and durability in the center of the tire with a tackier shoulder, offering increased grip and stability when cornering - Low rolling resistance combines with high mileage through the use of a fast, efficient, and durable compound in the center of the tire with a tackier compound on the shoulder - Optimized compound profile provides better tire shoulder grip resulting in outstanding cornering capability - Endurance-Specific Tread Pattern Design for better wet/mix-terrain grip - R-Shield Puncture Protection ensures a high level of puncture protection - Carbon/Kevlar Composite Bead keeps the tire secured to the rim and provides greater strength to withstand the higher pressures needed in road tires

- Silica-infused tread compound enhances cornering traction across a wide range of conditions - Lightweight casing for a smooth ride and extra durability - Tubeless Ready design allows for reduced air pressure to enhance comfort and reduced risk of punctures - DEFLECT 2 features a Kevlar protection belt between the casing and tread rubber - Low resistance design

- Fast rolling tread - Smooth, rounded tread with large water-dispersion grooves

The versatile tread of Giant's P-RX2 tire can be used for anything from cross racing to all-day adventures. Its supported shoulder knobs provide precise cornering while the direction tread design improves traction on loose or rough surfaces. This tire features a Defect 2 Kevlar belt under the tread for puncture protection and a built-in wear indicator.

With their grippy tread patterns and high-volume casings, Giant's P-R3 AC Tires offer superior handling and a superb ride. Giant's Deflect 3 nylon breaker keeps pinch flats at bay and the handy built-in wear indicator lets you know when it's time for new rubber. And, they have reflective sidewalls for increased visibility.

- Performance front and rear specific tread rubber - Durable and fast 68a durometer front & rear tread - Centerline wear indicator molded into tread - Wire bead

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.

Continental's 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. - Weight: 290/310/360/365/390 grams (23c/25c/28c/32c/27 x 1 1/4) - PolyX puncture protection - DuraSkin sidewall protection

With our PolyX Breaker, we bring our car expertise to the bicycle tire segment: Polyester has been used successfully for years in car tires and been tried and tested many times. The extremely resistant polyester fiber is woven tightly crosswise. In this way, a very high fabric density is reached, which not only makes the Breaker more resistant to foreign objects but is also especially resistant to punctures. The rolling resistance is also not negatively affected by the PolyX Breaker. - The right tire when it comes to tough conditions. - The right choice for a strong performance in the urban field and on tour.

The Giro is an economical tubular tire constructed of natural rubber, a lightweight 2-ply cotton casing and a durable tread compound. Because it is both rugged and fast, it makes for a great training tire. The Giro handles up to 145 psi, too.

Continental's Grand Prix 4000 S II boasts Conti's Black Chili rubber compound for low rolling resistance, impressive traction and long wear, making for one of the fastest tires in the peloton. The GP 4000 S II also uses a tough Vectran sub-tread for exceptional puncture protection, while the 330-tpi casing delivers a velvety-smooth ride. If you're looking for the ultimate road tire, you've found it.

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.

Its strength is its speed. The non-slip slicks with rough tread score well, especially on tarmac. City bikes and single speed and fitness bikes profit from the momentum whilst being highly comfortable. This helps the tire rise to all challenges. The Sport CONTACT II impresses by means of the new Vulkanette design with grip, double puncture protection and its smooth running.

Continental's Sprinter is light enough for serious racing, yet strong and durable enough for use as a training tire, too. Handmade in Germany, it's equipped with 3 layers of proprietary polyamide in the casing to deliver outstanding puncture protection. Plus, the Sprinter is rated for inflation pressures up to 170 psi so it's ridiculously fast.

The Ultra Sport II is a modern tyre for touring and competition which convinces with its excellent price-performance ratio. The size range provides the finishing touch in the coordination of use. This tyre scores with a lot of grip, the silica-based tread compound and very high mileage.

The Ultra Sport II is a road tire built to Continental's exacting standards, providing you with the optimal blend of low weight, puncture resistance, and long life. It sports a strong, supple 180 thread-per-inch, 3-ply casing and is at home in all situations, from miles of training to amateur racing to all-day centuries.

Completely renewed, sporting a dynamic tread pattern design. Matches with a race bike, as well as a classic city road bike. Available in a wide range of dimensions and colors. PureGrip Compound Based on activated silica compounds, this technology was originally intended as an performance level compound, but after intensive development at our Korbach Research and Development Department Facility, an advanced new compound with outstanding grip and cross-country properties was developed. This new rubber mix, given the self explanatory name "PureGrip", is ranked just behind our BlackChili Compound and is being used in our performance products both in the road and mountain bike sectors. Whilst providing great grip, it is also long lasting and highly durable – both characteristics of Continental tires, which are exclusively manufactured in the factory in Hefei (Asia). Suitable for E-Bikes For our E-Bike tyre we fall back on over 100 years' experience with moped and motorcycle tires. All of our city/trekking tires are rated to a standard speed of at least 25 km/h. Those tires marked e50 are also certified for S-Pedelecs. With their high quality structure, puncture protection is high and the rolling resistance is low offering protection from premature wear brought about by the additional driving force.

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 TLR clincher with 120TPI nylon casing provides both performance, durability, and puncture protection when combined with the appropriate tubeless sealant. TLR - TLR tires versions can be ridden tubeless with the addition of sealant but can also be run with an inner tube. - A bead-to-bead inner coating gives added puncture protection to these tubeless ready tires and greatly reduces gradual loss of air pressure. An aramid bead protection strip increases tire longevity and reduces rim chafing.

- RR-S AR Compound offers outstanding grip on both rough roads as well as pavement in all weather without compromising on speed - Single-layer SRC casing delivers an incredibly supple ride with superior rolling efficiency at a super low weight - Race Shield puncture protection provides superior puncture protection without compromising speed or road feel - Carbon/Kevlar Composite bead keeps the tire secured to the rim and provides greater strength to withstand the higher pressures needed for road tires

Uncompromising Speed Designed for peak race performance, CADEX Race Tubeless tires have won over the pros through their superior speed, ultra-light weight, and supple ride feel. - RR-S Compound boasts minimal rolling resistance and remarkable grip in the corners - Single-layer SRC casing delivers an incredibly supple ride with superior rolling efficiency at a super low weight - Race Shield puncture protection provides superior puncture protection without compromising on speed or road feel - Carbon/Kevlar Composite bead keeps the tire secured to the rim and provides greater strength to withstand the higher pressures needed for road tires