Challenge tire adds fat 'cross tires and new Flandrien model | Bicycle Retailer and Industry News
Challenge Goes Big with 38mm Cyclocross Tubulars and Tubeless Tires, Unveils Team Edition Handmade TLR - Cyclocross Magazine - Cyclocross and Gravel News, Races, Bikes, Media
Challenge Limus Pro Tire 700 x 33 Tubeless Folding Black/Tan Handmade