700c, 27-Inch & 650c

Versatile and confidence inspiring, the Gravdal securely navigates through harsh winter conditions with concave carbide studs for added traction in icy conditions. - Siping creates a more conforming lug for added traction - Concave carbide studs provide traction in the iciest conditions - Reflective strip on sidewall makes you more visible when riding in low-light conditions - Fits most bikes with cantilever or disc brakes

Feel fast, safe, and stable in any weather and on any road on the T1 road touring tire. With super tough nylon casing and durable compound for added wear and traction, this tire is ideal for touring, training, or recreational riding. Key features - Engineered tread design for confidence in wet or dry conditions - Durable compound gives long tread life - Extra-strong nylon casing - 30 TPI - Wire bead - Clincher

Feel fast, safe, and stable in any weather and on any road on the T1 road touring tire. With super tough nylon casing and durable compound for added wear and traction, this tire is ideal for touring, training, or recreational riding. Key features - Engineered tread design for confidence in wet or dry conditions - Durable compound gives long tread life - Extra-strong nylon casing - 30 TPI - Wire bead - Clincher

Fast rolling, durable hybrid tires with great traction. Highly versatile, smooth roller When you depend on your bike to get around town reliably, the H2 tire is a no-brainer. It's got a smooth rolling center and great cornering traction for a confident, efficient ride. Key features - Excels on pavement - Smooth-rolling and efficient tread design - Durable enough to prevent punctures from glass and stone - Strong puncture protection without the weight penalty

A fast-rolling road tire for everyday riding An everyday road tire with added traction and a longer-lasting tread. The R2 Hard-Case Lite brings proven puncture protection and durability to a lightly-treaded design that maximizes confidence across all road conditions. The R2 is a fast rolling, everyday road tire that delivers lasting performance. Product details - Designed for lasting durability and performance for everyday road riding - Hard-Case Lite provides lightweight puncture protection - Fast-rolling, lightly-treaded design adds traction and confidence - Low rolling resistance and excellent cornering grip - Tread styling gets more aggressive as size increases to better suit intended use

• Advanced tread profile and texture gives low rolling resistance with excellent cornering grip • Butyl-lined casing improves air retention for consistent tubeless ready performance • TLR - Tire is engineered for use with Bontrager TLR Sealant as the final step in a worry-free, tubeless setup • Hard-Case Lite - Lightweight sub-tread material protects against punctures

Kiss pinch flats goodbye with Bontrager's tubeless-ready CX0. Run lower pressures and get traction performance that goes head to head with tubular tires for a fraction of the cost. • A fast-rolling TLR cyclocross tire built to perform in hard, dry conditions • Excels in dry and hard conditions • TLR tire engineered for use with TLR sealant (sold separately) for worry-free setup and puncture protection

Lighter, faster, and longer lasting The all-new R3 Hard-Case Lite road tire rolls faster, with added traction, and a longer-lasting tread. The proprietary TR-Speed compound and updated Hard-Case Lite puncture protection increase both speed and durability while the lightly treaded design adds traction. With R3 you get a faster road racing tire that delivers added confidence through every corner. Product details - Designed for speed, traction, and durability while racing and road riding - Proprietary TR-Speed compound provides confident, fast-rolling performance - Hard-Case Lite with improved Nylon105 beaker belt provides lightweight puncture protection, great ride feel, and extra durability - Fast-rolling, lightly-treaded design adds traction and confidence - Low rolling resistance and excellent cornering grip - Tread styling gets more aggressive as size increases to better suit intended use

An aggressive gravel tire that’s perfect for grip and durability in mixed and loose conditions. CHAMPION OF THE CHUNK Derived from the loose and rugged trails of Colorado, Betasso RSL GX Tires deliver ultra-aggressive performance for grip and durability in mixed and loose conditions. RSL GX Construction provides an incredibly robust 60TPI casing paired with bead-to-bead and sub-tread puncture protection while a Gravel Dual-Compound features a firmer center to maintain straight line speed and medium density shoulder knobs that bite when cornering. PRODUCT DETAILS - An aggressive gravel tread provides grip and durability in mixed and loose conditions - RSL GX Construction: 60TPI casing with bead-to-bead and sub-tread puncture protection - Gravel Dual-Compound: fast rolling center and medium shoulder - Tubeless Ready (TLR) for easy tubeless setup and puncture protection

Tubeless made easy The all-new R3 Hard-Case Lite TLR road tire is fast-rolling, easy to install, and hard to flat. It's equipped with updated Hard-Case Lite puncture protection and a lightly-treaded design for traction and confidence through every corner. Plus, it's a breeze to install, so you get all the benefits of road tubeless without any of the hassle. A lightly-treaded TLR road tire with proprietary TR-Speed compound and improved Hard-Case Lite puncture protection that's easy to set up and packed with performance. - Designed for speed, traction, and durability while racing and road riding - Proprietary TR-Speed compound provides confident, fast-rolling performance - Hard-Case Lite with improved Nylon105 beaker belt provides lightweight puncture protection, great ride feel, and extra durability - Tubeless Ready (TLR) design allows for easy tubeless set-up and added puncture protection - Fast-rolling, lightly-treaded design adds traction and confidence - Low rolling resistance and excellent cornering grip - Use with Bontrager TLR wheels, sealant, and rim strips for a complete tubeless system designed and tested to work together

Confidence is just around the corner The R4 Clincher's race performance gives unparalleled road feel, yet is extremely durable for a racing clincher thanks to Hard-Case Lite protection. The Hard-Case Lite sub tread material protects against punctures in the peloton and up the hardest and sketchiest road climbs. A super supple, hand-built, 320TPI clincher tire that excels in road and criterium racing. - Lightweight, 320TPI, hand-built clincher - Built to excel in road and criterium racing - Super supple polyamide synthetic fiber reinforcement for added casing strength - Hard-Case Lite protects against punctures with superior, lightweight, sub-tread material - Clincher tire made using the same handmade process as tubulars to maintain suppleness and ride quality - Chamfer reinforcement layer adds protection at tire's sidewall right up to the tire bead

Ungodly fast If you’re all about unleashing pure speed and going fast on the tarmac, Bontrager Aeolus RSL TLR road tires are for you. They're the full race-ready package with an ultra-supple cotton construction that's paired with a fast Race Dual-Compound for soaring. The Race Dual-Compound uses a firm and smooth rubber at the center of the contact patch, which is key to straight-line speed. Need to fly around corners, too? A softer compound at the shoulder of the tire boosts confidence-inspiring grip for cornering. Product details: - A light and fast race tire designed for pure speed on the tarmac - RSL TLR Construction: 320tpi cotton casing with sub-tread puncture protection - Race Dual-Compound: fast rolling center and grippy shoulder - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Cotton casing conforms to surfaces better through flexible fibers for a smoother, faster, grippier tire - Firm smooth center tread is key to straight line speed and softer shoulders stick to corners with confidence - Compatible with hooked and hookless type rims (max pressures vary by size and type)

• Advanced tread profile and texture gives low rolling resistance with excellent cornering grip • Butyl-lined casing improves air retention for consistent tubeless ready performance • TLR - Tire is engineered for use with Bontrager TLR Sealant as the final step in a worry-free, tubeless setup • Hard-Case Lite - Lightweight sub-tread material protects against punctures

- 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

- Hardpack mountain bike tire designed to run in specific directions for the front and rear - In front, the Camber rolls fast, confidently grabbing corners even in the loose stuff - Reversed on the rear, the Camber gives you the same confidence in the corners, plus additional acceleration and climbing traction - Folding bead option also provides lightweight EPS puncture protection layer for outstanding performance and durability

This is the ultimate choice for road riders who want more volume for training or competition.

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 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 clincher with 120TPI nylon casing provides both performance and durability. This tire includes PPS, a Puncture Protection System placed between the tread and casing to increase resistance to punctures.

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.

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 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.

Limus means mud in Latin, which is exactly where this tire dominates. Deep, aggressive, and well-spaced knobs cut through muddy conditions so you can flow through corners, zip thru off-camber sections, and powering up inclines with ease. A great tire for truly extreme conditions like the 2018 CX World Championships where it won four of five gold medals. 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.

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.

The Chicane is a super fast rolling tire providing maximum control on dry hardpack, wet grass, and icy conditions. This handmade clincher combines a supple, 300TPI SuperPoly casing with natural rubber tread for improved grip, confident cornering, and quick handing. This tire includes PPS, a Puncture Protection System placed between the tread and casing to increase resistance to punctures. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.

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 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 includes PPS Ganzo, a lightweight and supple Puncture Protection System placed between the tread and casing to increase resistance to punctures. And puncture protection is enhanced when combined with the appropriate tubeless sealant. 260TPI SuperPoly casing.

The Almanzo is the ideal tire for gravel and adventure riders seeking more control than the Strada Bianca and lower resistance than the Gravel Grinder. 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.

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.

The Getaway is the latest gravel tread designed to take you beyond where the pavement ends to where the terrain is less maintained. Its design includes a tightly packed, fast rolling center for straight line control and speed, open transition knobs for sandy and wet terrain, and more aggressive shoulder knobs for controlled cornering and stability in loose conditions. 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.

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.

An all-rounder gravel tread with a tightly packed center for straight line control and speed, open transition knobs for sandy and wet terrain, and aggressive shoulder knobs for controlled cornering and stability in loose conditions. - Flat and puncture protection from Ganzo PPS strip and Corazza Armor casing - SmartPlus gravel specific tread compound

An all-conditions cyclocross tire that can handle most terrain due to its balanced tread pattern.