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Bontrager R4 320 Tubular Road Tyre

The Bontrager R4 320 Tubular Road Tyre is designed for road and crit racing. The R4 tubular’s race performance gives unparalleled road feel yet is extremely durable for a racing tubular, thanks to Hard-Case Lite protection. The Hard-Case Lite sub tread material protects against punctures in the peloton and up the hardest and sketchiest road climbs. Features Excellent for road and criterium racing Supple polyamide synthetic fibre reinforcement for added casing strength Hard-Case Lite protects against punctures with superior, lightweight, sub-tread material 38 mm valve length with valve extenders available separately