• Challenge produces the only seamless 'one-piece' latex inner tubes on the market providing a smooth, balanced ride with no pucker or bump like those found on other tubes
• Latex tubes are lighter,...
• Built with a cotton and aramid casing with a latex inner tube for maximum performance
• New compound from the Power All Season range for maximum grip on wet and dry surfaces
• Robustness based on...
• More grip for mixed and soft terrain
• Wild AM² tread pattern combined with Gum-X technology delivers maximum grip when cornering and excellent braking performance
• Light and robust Gravity Shield...
• A fast tire on hard-packed terrain
• Tread pattern design reduces rolling resistance
• Gum-X technology optimizes grip on hard terrain
• Light and robust Gravity Shield casing