Santa Vall 2026 - Notes from the Course
Tire selection is everything, especially when you could encounter anything! Challenge ambassadors give their thoughts from Santa Vall 2026
Which Gravel Tire Should You Choose?
Need assistance figuring out which tire to mount for your upcoming gravel race or ride?Below we provide more details on the tires in our gravel line. The keywords give you the tires attributes in a nutshell. For further insight, we...
Behind the Labels: XP vs PRO Series
Gravel riding has captured the hearts of cyclists worldwide, offering an exhilarating blend of adventure and competitiveness. As the popularity of gravel cycling continues to soar, riders are faced with several tire options to choose from, each promising to enhance...
Committed to Quality - What does "handmade" mean?
What does "handmade" mean? We often hear the word "handmade" and know that it refers to quality, but how can a handmade product be qualitatively better? Handmade product, manufactured using traditional artisanal methods, creates a one-of-a-kind tire that offers athletes the...
NEW GRAVINE - EXPLORE THE UNREACHABLE
Challenge is excited to present a new addition to its gravel line of tires, the GRAVINE, designed for improved performance muddy sections and on more rugged, rocky terrains. The GRAVINE introduces the more aggressive tread of the Challenge gravel line-up, positioned after the...