Challenge Grifo 33 Team Edition Tubular Cyclocross Tire [11850]
Challenge Grifo Pro 700c x 38mm Tubeless Tire | The Pro's Closet | CTR11563
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 Grifo 33 TE RED Tubular Cyclocross Tire [11853T]