Tires/Tubes

A ride-saving tool that’s hidden in your bar-ends. Don’t let pesky punctures ruin all the fun! When a puncture strikes just too big and gnarly to seal, the Muc-Off Stealth Tubeless Puncture Plug ultimate backup tool that’s cleverly stored inside your bar ends! The expanding silica plugs included cover most MTB, road, and gravel handlebar sizes, and the premium CNC Machined Aluminium bar ends are available in 10 anodized colors to match your ride. Each lightweight and durable set contains everything you need to get back riding when you’re stuck battling a hole that’s just not sealing: a stainless steel 2-in-1 puncture plug reamer tool, a variety of different sized tire worms, and a trimming knife. HIGHLIGHTS: - Screws into bars using just a 4mm Allen key - Plugs and repairs multiple holes that won’t seal with just sealant - CNC Machined from 6061 Aluminum. - Expanding silica plug fits most MTB, Gravel & Road Handlebars with a larger than 17mm inside diameter. - Supplied with 17mm, 19mm, and 21mm silica plugs to fit different handlebar diameters - Compatible with most open-end grips and drops bars with an 84mm straight section at the bar end. - Dimensions 89 x 27 x 27mm - Weight: 33g per side (excluding tire worms) WHAT'S INCLUDED: - Supplied as a pair - 1 x Stainless steel 2-in-1 puncture plug/reamer tool - 1 x knife trimming tool - Supplied with 5 x thin tyre worms, 5 x medium tyre worms & 5 x thick tire worms

- The same tubeless valves, now with a Tire Insert air flow system - 6 slots machined into the base of the valve stem allow air to flow freely around tubeless tire inserts - Upgraded to aircraft grade 7075 aluminum valve stem and cap - 4mm machined Allen Key slot for easy installation/removal - Valve core removal tool integrated into valve cap - Includes multiple rubber bases to optimize fit with multiple rim types

- Perfect for urban duty mountain bikes or 650b touring bikes - Fast enough for paved roads and strong enough for gravel - Folding Aramid bead

- Standard 1mm tube thickness - Schrader valve

- Tall knobs hold on loose terrain

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 Ganzo, a lightweight and supple Puncture Protection System placed between the tread and casing to increase resistance to punctures.

- KVS and Iron Cloak help prevent cuts and punctures, and a 20mm apex reduces the chance of pinch flats or burping - Tubeless ready – Saves weight and provides a better rolling performance

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.

- Standard 1mm tube thickness - Presta valve

- 120tpi casing with Aramid puncture protection—TechBELT - SmartEVO compound

- Kenda model K831 - Alfa-Bite style ATB tire

The S-6 Black Steel Tire in K23 Tread is a great tire for any road bike. - K23 tread pattern - Made from quality Kenda rubber - Wire bead

The Decoder has a much lower profile design with super fine knurling making it fast, grippy and incredibly tough. This lightweight street/ramp tire features a specially designed grind resistant sidewall protection.

CushCore tubeless air valves are specially designed to work with a CushCore tire insert. The air passageway is T-shaped, rather than a simple through-hole, which prevents the insert from obstructing air flow through the valve. - Made from CNC machined from 6061 T-6 aluminum, anodized black - Tapered rubber collar permanently bonded at the sealing interface - The valve core can be removed to add tire sealant - Valve locknut with o-ring seal and valve cap are included - Sold as a set

Endurance formula lasts twice as long as standard Orange Seal. - Premium Latex coats the whole casing, from tire bead to tread cap - Seals punctures up to 1/8-inch, and slices up to 1/2-inch with the use of Nanites - Developed to add as little weight to a tire as possible - Made of eco-friendly biodegradable ingredients

Alloy air valve caps help prevent air loss

For Kenda's first foray into fat tires, we looked at our fattest off road tires—motorcycle. Inspired by the championship winning Millville 2 tire for grip in any environment and featuring multiple sizes with tread heights optimized for maximum performance. The Juggernaut is an unstoppable force, is there more we need to say? - Sub 900 gram weight for the Pro 26x4.00 - Large casing for better flotation in snow - Front and Rear application

The Rekon is a light duty trail tire designed to go fast in technical terrain.

- Smooth-rolling tread pattern for street use - Deep grooves help sipe water away in wet weather

Race it hard or just head off the beaten path. The Strada Bianca takes the proven construction of the Paris-Roubaix and adds volume to take you comfortably over less-than-perfect surfaces. Challenge introduces STRADA BIANCA H-TLR 45. The staple herringbone-design tire proves its handmade performances on rougher terrain with a new gravel-specific construction and an added beefier new 45mm size. The STRADA BIANCA 45 is the tire designed to take you comfortably rolling over rough pavement, cobbles, sandy or hardpack fields, to literally floating over the more enduring dry, rocky terrains. It is the first 45mm tire in the Challenge range.

Make your mark on the gravel scene with the Gravel Grinder. This tire combines a fast rolling diamond center with aggressive shoulder knobs that only hook-up when the terrain gets soft, muddy, or a bit sketchy. This tire takes tubeless to a higher performance level by combining TLR's properties with a handmade construction for the ultimate in traction and ride quality. This tire combines a supple, yet durable Corazza Armor casing for improved sidewall protection, excellent puncture-resistance from our PPS Ganzo, and a high mileage, grippy, natural SMARTplus compound. And puncture protection is enhanced when combined with the appropriate tubeless sealant. 260TPI SuperPoly casing.

This versatile competition and trail tire is comfortable and sure-footed in the turns. It has good grip and is available with various technologies. - Smoothly rolling tire that adapts to any terrain with its special tread - Suitable for E-Bikes

Power Cross Jet tire features small blocks on the tread pattern provide excellent tread strength and maximum speed. - Improved transmission of pedaling power for controlled grip - Specially adapted reinforcements provide safe, low-pressure riding on all terrains

Tubeless valves for DT Swiss rims for repair or replacement. - DT Swiss Narrow Base Tubeless Valve - 32mm

The ultimate BMX racing tire, the PowerBlock is designed to efficiently transfer pedal power and other rider inputs into lateral motion. In short, you'll roll faster with less wasted energy. The S-Spec version utilizes Tioga's thinnest sidewall for maximum suppleness and weight savings. Size for size, the PowerBlock S-Specs are the lightest BMX tires in the world. - Center Row—“Power Blocks” are precisely sized to balance traction with low rolling resistance. - Sidewall Texture—Specially designed texture pattern, strategically applied to the sidewall adds abrasion protection without sacrificing casing suppleness. - CYLEX 120 TPI superlight casing - UTC rubber compound - ISO diameter: 451mm

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

- Urban tire with road tread pattern - 5mm thick anti-puncture protection layer

Resolute 42 is the ultimate all-weather gravel tire for those who believe there is a perfect tread pattern for every ride. Small, square knobs deliver consistent bite into a variety of terrain, while the ample spaces between them prevent packing up when conditions become fun (a.k.a wet). Truly all-season in nature, its 42mm width makes it a set-it-and-forget-it gravel tire for endlessly undulating roads through all varieties of weather. Usage: Gravel / Monstercross Conditions: Dry to Wet / Hardpack to Loose Gravel - 650B: 440g - 700c: 460g

- Superior Performance in Mixed Terrain - Medium profile and tread spacing for riding quickly and confidently over a mixed variety of terrains, from hardpack to loose and soft, in dry or wet conditions, enhanced by the SmartGRIP Compound properties. - The best choice for trails where terrain can vary but speed and grip are fundamental at the same time, all with a high level of reliability for a longer lifespan.

- Rear Specific Performance for Mixed Terrain -The R model is our rear specific design: added traction on either pedaling and braking durability without compromising performance over a mixed variety of terrain, maximized for both dry or wet conditions due to the SmartGRIP Compound. - All with a high level of reliability for a longer lifespan: the best combo with an M on front for a balanced riding style.