Challenge Tires Grifo Open Tubular (Clincher)

Challenge Tires Grifo Open Tubular (Clincher)
  • Color: Black/Tan
  • Color: Black/White
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Snow, mud, grass, and firm dirt are all course conditions where Challenge's Grifo Open Tubular (Clincher) tire excels. It features a center section that offers excellent pedaling and braking traction, and its short knobs roll quickly. The Grifo is built upon the same supple 260tpi handmade casing as their renown tubulars, and there's an anti-puncture strip under the tread and reinforced polyester in the sidewalls for extra durability. The white-tread version is a softer rubber for better grip in cold temperatures.