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Challenge Tires Grifo XS 33 Tubular

Challenge's Grifo XS 33 Tubular is a great choice for grass, pavement and tacky dirt and when fast rolling and cornering is important. It's built on their light and supple 260tpi hand-made SuperPoly casing with its polyester-reinforced sidewalls. And, there's an anti-puncture strip under the tread.… [more]

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