Tires/Tubes

The Timekeeper is our premier road racing tire. Utilizing our signature Rubberforce S tread compound, now mixed with more silica, the Timekeeper is the fastest-rolling tire in the American Classic road collection. With lightning-fast straight-line speed and confidence-inspiring cornering, the Timekeeper can help you set your next segment PR and climb the ranks of the weeknight crit. The Timekeeper is available in both Tubeless Ready and tube-type constructions with sidewall color options of black and tan. The Tubeless Ready version utilizes Stage 3S Armor construction with 120 TPI casing and a 120 TPI skin that when paired with liquid tubeless sealant, provides a more supple and smoother-riding tire. The tube-type version combines 120 TPI fabric with a lighter, more supple, and more puncture resistant Nylon105 belt to provide a faster, more supple, and puncture resistant tube type construction compared to previous American Classic road tires. The Tubeless Ready version is designed for both hook-bead (crochet) and hookless rims that follow current E.T.R.T.O. standards. When used with a hookless tire, this tire must never be inflated beyond 73psi (25mm) or the maximum air pressure rating of the rim, whichever is lower. Features: - Ultra-light road racing tire - 700x25C, 700x28C, 700x30X - Tube Type or Tubeless Ready - Stage 3 Armor (TT) and Stage 3S Armor (TLR) construction - Rubberforce S road racing tire compound - Black or tan sidewall

The Krumbein is American Classic's most aggressive gravel tire ideal for gravel roads, loose trails, and fast singletrack. The all-weather design includes tall side lugs for cornering grip on loose and rocky conditions, chamfered center knobs minimize rolling resistance, and there is plenty of space between knobs to prevent mud build-up. Combined with our signature Rubberforce G tread compounds and Stage 5S Armor construction, this tire provides impressive grip in the dirt and improves both ride quality and abrasion resistance compared to its predecessor. Features: - Fast and efficient tire from loose gravel to single track - 700x40C, 700x50C, 650Bx47 - Tubeless Ready - Stage 5S Armor construction - Rubberforce G gravel tire compound - Chamfered center tread minimizes rolling resistance - Black, tan, or brown sidewall

Loose berms, choppy trails, and rugged rock gardens stand no chance against the Basanite. The Basanite is designed as a rear tire with ramped knobs for improved speed that alternate in shape and size for braking control. Alternating shoulder lugs and central knobs provide grip at any angle. The large knobs all include hatch marks, or cupped profiles, improving grip on harder-packed terrain. For optimal performance, pair the Basanite with the Vulcanite on looser terrain or with the Tectonite in harder packed conditions. The Basanite is available in both Trail and Enduro versions with casing, construction, and tread compounds specific to the intended use. Trail models feature our Stage TR Armor construction for efficient climbing, predictable cornering, and long days on singletrack. Enduro models feature our Stage EN Armor construction for a tire that provides grip through blind corners, confidence over rock gardens, and the ability to cruise back up the trail. Both Stage TR Armor and Stage EN Armor constructions are Tubeless Ready. Features: - Rear focused Trail or Enduro tire - 29X2.4" (61-622), 27.4X2.5" (61-584) - Tubeless Ready - Stage TR Armor Construction options - Stage EN Armor Construction options - Dual and Triple Compound tread options - Black sidewall

Experience peak performance with the Cumbre mountain bike tire - named after the Spanish word for "Summit," evoking the feeling of conquering mountains and reaching new heights. Optimized for cross-country (XC) riding in dry, dusty, or mixed trail conditions, this high-performance tire features a profiled center tread for smooth rolling over hardpack terrain. The outside edge provides fast-rolling grip, allowing you to maintain control and momentum on mixed terrain. And angled intermediate knobs help maintain speed and grip when transitioning into turns. Combined with our signature Rubberforce G tread compounds and our lightweight Stage XC Armor construction, the Cumbre provides a supple ride and impressive durability making it the perfect choice for riders seeking speed, agility, and top-notch performance. Features: - Fast-rolling Cross Country XC tire - 29X2.25" (57-622) - Tubeless Ready - Stage XC Armor Construction - Rubberforce G offroad tire compound - Black sidewall

The Tectonite front-specific tire relies on a directional tread that includes ramped center knobs, angled shoulder lugs, and alternating transition knobs to provide numerous angles of traction for consistent and reliable cornering no matter how hard you push into the turn. For optimal performance pair the Tectonite with a Basanite tire on the rear wheel. The Tectonite is available in both Trail and Enduro versions with casing, construction, and tread compounds specific to the intended use. Trail models feature our Stage TR Armor construction for efficient climbing, predictable cornering, and long days on singletrack. Enduro models feature our Stage EN Armor construction for a tire that provides grip through blind corners, confidence over rock gardens, and the ability to cruise back up the trail. Both Stage TR Armor and Stage EN Armor constructions are Tubeless Ready. Features: - Front focused Trail or Enduro tire - 29X2.5" (64-622), 27.5X2.5" (64-584) - Tubeless Ready - Stage TR Armor Construction options - Stage EN Armor Construction options - Dual and Triple Compound tread options - Black sidewall

The Scout is built to fulfill the needs of E-bike riders who like to venture out of the concrete jungle. - Designed for your city escapades and off-road adventures - Blocky tread pattern offers control on dirt and stability on the pavement - Lightweight 60 TPI construction increases efficiency and protects against punctures - Dual compound, wire bead

The Vault uses an all-condition tread pattern suitable for street, park and dirt riding. With a textured surface and slightly raised shoulder knobs, the Vault rolls fast without giving up traction. - Textured surface and slightly raised shoulder knobs for fast rolling and cornering traction

Before the Pika, gaining traction on gravel roads was a true feat. Now, it’s child’s play. Ramped center knobs roll fast on loose gravel, and U-shaped shoulder knobs dig in on the turns. The Pika is equipped with dual compound tread, EPS protection, and wire bead.

- 2-ply rubber shield fits between tire and tube to prevent flats - Pair

Challenge's S.C. Seamless Latex Cross Tube is hand made for the highest quality. Latex tubes are usually lighter and roll with less resistance than standard butyl tubes. They also resist punctures. The S.C. fits tires 28 to 35mm wide, and has a 47.5mm-long valve with a removable core. - 72 grams

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 clincher with 120TPI nylon casing provides both performance and durability. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.

Race it hard or just head off the beaten path. The Strada Bianca wraps Challenge's proven herringbone tread pattern further around a large volume casing and adds a gravel specific construction to take you comfortably over less-than-perfect surfaces. This is your tire for rough roads, packed dirt, and most gravel surfaces. This TLR clincher with 120TPI nylon casing provides both performance, durability, and puncture protection when combined with the appropriate tubeless sealant.

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.

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.

- A classic road tire featuring the traditional chevron tread pattern - The LGG provides a supple ride, durable yet lightweight construction, and puncture-protection belt under the tread - 120 TPI version is dual compound tread: 70a in center, softer 60a on sides. 60 TPI is single compound tread 70a

- Easy-rolling on/off-road compound - Knobs spaced for grip in the dirt and grass - Continuous center tread for a smooth ride

- Easy-rolling on/off-road compound - Knobs spaced for grip in the dirt and grass - Continuous center tread for a smooth ride

- 0.9mm wall thickness - Removable valve core - 700c x 18 – 25 = 27 x 1 - 700c x 28 – 35 = 27 x 1-1/8, 1-1/4

- 0.9mm wall thickness - 700c x 18 – 25 = 27 x 1 - 700c x 28 – 35 = 27 x 1-1/8, 1-1/4

- The original tube for flat protection - Non-toxic and environmentally safe - Protects against punctures up to 1/8-inch

- The original tube for flat protection - Non-toxic and environmentally safe - Protects against punctures up to 1/8-inch

- The original green sealant, completely non-toxic and environmentally safe - Seals punctures up to 1/8-inch

- Latex-based formula which can simultaneously inflate and seal most common punctures quickly - Works with tubes, tubeless, and tubular tires - Proven to seal up to a 6mm puncture on tubeless tires, getting you back in the saddle faster - Enough pressure to seat a tubeless tire onto a rim - Comes with an easy-to-use hose adapter and both Schrader and Presta valve compatible threaded nozzles - Fills a 29 x 2.4 MTB tire up to about 29psi

- From gravel adventuring to drop-bar dirt mashing, the Connector is capable of tackling any terrain. - A versatile tread pattern featuring tightly-spaced center knobs combined with aggressive side knobs is mated to our Tubeless Complete construction. - The result is a fast rolling, highly tractable, all-terrain tire ready for everything from backroads to singletrack.

- Fast-rolling tread - Wire-bead

Kenda Presta valve tubes are dependable replacements. Use them to build up your bike, and throw a spare in your bag so you can keep on riding.

- Standard 1mm tube thickness - Schrader valve

Kenda K50 tires are all-purpose tires with short knobbies. - Classic design for replacement and repair

Kenda K-Rad - Checkerboard-shaped knob design - Knurled tread surface for traction and control - Ribbing between knobs strengthens the casing - Kenda endorses the use of fluid based sealants only in specifically designated Kenda sealant compatible tire

The Paper Trail Tire is an efficient, smooth-rolling tire for use on mountain and trail bikes. - Ideal replacement tire for modern mountain and trail applications - Clincher design - Intended Use: Mountain