Challenge Grifo CX Tubular Tires -- $99.95 -- The Grifo CX comes in a variety of sizes in tubular and open clincher to suit different conditions It is important to note that Challenge uses all polyester and avoids the polyester/cotton blend of the competitors. 100% polyester is not subject to moisture absorption thus the tire does not change characteristics when wet and increases durability. Challenge uses a feature called PPS (Puncture Protection System) a system of reinforcement behind the tread. The Grifo line has 260 T.P.I.and 100% polyester casing.
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Challenge Grifo Open Clincher Tires -- $79.95 -- The Grifo Open is a clincher version of the CX tubular for race ready action. It is important to note that Challenge uses all polyester and avoids the polyester/cotton blend of the competitors. 100% polyester is not subject to moisture absorption thus the tire does not change characteristics when wet and increases durability. Challenge uses a feature called PPS (Puncture Protection System) a system of reinforcement behind the tread. The Grifo line has 260 T.P.I.and 100% polyester casing.
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Challenge Grifo XS Tires -- $79.95 -- The Grifo XS is a low profile tread for dry terrain and fast courses. It is important to note that Challenge uses all polyester and avoids the polyester/cotton blend of the competitors. 100% polyester is not subject to moisture absorption thus the tire does not change characteristics when wet and increases durability. Challenge uses a feature called PPS (Puncture Protection System) a system of reinforcement behind the tread. The Grifo line has 260 T.P.I.and 100% polyester casing.
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Challenge Paris Roubaix Tubular Tires -- $109.95 -- The Paris Roubaix tubular designed to take the abuse of the rough roads and deliver a super smooth ride. It is important to note that Challenge uses all polyester and avoids the polyester/cotton blend of the competitors. 100% polyester is not subject to moisture absorption thus the tire does not change characteristics when wet and increases durability. Challenge uses a feature called PPS (Puncture Protection System) a system of reinforcement behind the tread. The Paris-Roubaix has 220 T.P.I., 27mm wide and 100% polyester casing.
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Challenge Vulcano Tubular Tires -- $34.95 -- The Vulcano is a tire with very supple feel for increased comfort, better cornering and improved road feel. These are the highest standard in high performance tires. It is important to note that Challenge uses all polyester and avoids the polyester/cotton blend of the competitors. 100% polyester is not subject to moisture absorption thus the tire does not change characteristics when wet and increases durability. Challenge uses a feature called PPS (Puncture Protection System) a system of reinforcement behind the tread. The Vulcano has 220 T.P.I., kevlar bead and 100% polyester casing. 22mm wide.
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