Challenge Dune Cross Tubular Tyre

A super-fast cross tyre for sand and ice, the Challenge Dune inspires confidence through excellent handling.

The cyclocross tyre for sandy and dry terrain. For training, it is simply a smooth-rolling tyre for roads, gravel and dirt tracks. With 300 TPI, it rolls particularly smoothly and is puncture-resistant.

The tubular tyre series from Challenge, just like the pros ride. These tyres are glued to the rim and offer outstanding puncture resistance and can be ridden at very low air pressure.

Challenge Duno Team Edition Tubular Technology:

• Tubular tyre 33 mm x 622
• Casing: 320 TPI cotton casing
• Latex inner tube
• Puncture protection strip
• Weight 420 grams

Team Edition TE Handmade Tubular with sealed Corespun cotton casing

• Handmade tyres combine a variety of outstanding features to offer maximum comfort and minimal rolling resistance. Carefully selected materials are used in the various tyre grades depending on performance requirements. Soft, supple casings quickly adapt to the shape of the ground when rolling and cornering. This increases ground contact and grip and improves shock absorption on rough surfaces. Soft, natural rubber treads are combined with lightweight, flexible puncture protection.
• Corespun cotton casings are used in the Servizio Corse Series Track, TT, Tri and Road tyres, as well as the Team Edition Series Cross tyres. Cotton is – just like your favourite shirt – naturally softer and more supple than a cheap polyester shirt and requires more careful handling. If not washed and dried properly, cotton is more prone to absorbing water, stains, mould and rot than more durable polyester or more expensive silk. That is why cotton benefits greatly from the Challenge casing sealant. It makes cotton the ideal casing material for professional athletes, as it offers an ideal balance of price and performance.

Latex tube

• Latex tubes are strong, lightweight and extremely flexible. They absorb shocks and significantly reduce rolling resistance by adapting perfectly to obstacles.

Handcrafted natural rubber – Soft compound

• Challenge’s hand-crafted natural rubber compounds are formulated to offer the perfect level of durability without compromising performance, comfort or control. Although Challenge tyres wear out 10–20 per cent faster than the competition’s, they score highly with significantly improved performance and a noticeably better riding experience throughout their entire lifespan. Depending on requirements, the tyres are fitted with rubber compounds of varying softness.

• The Soft compound ensures maximum control, grip and performance.

Puncture Protection System (PPS)

• The PPS Puncture Protection System consists of one or more layers of fabric between the tread and the tyre carcass. PPS significantly increases the tyre’s resistance to punctures, thereby offering maximum reliability.

Herstellerinformation: Challenge, Via Gattamela 41, 20149 Milan, Italy, https://www.challengetires.com