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Bontrager R4 320TPI Tubular Road Hard-Case Lite

£69.99

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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.

The R4 Tubular's supple polyamide synthetic fibre construction adds casing strength to this 320 TPI handbuilt racing tyre. Excellent for road and crit racing.

 

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

Hard-Case Lite

Bontrager's first and lightest weight line of defense features a belt (or co-extrusion) directly under the tread, preventing glass and stone from penetrating the tread and puncturing the tube. We vary the thickness and material according to intended use, minimizing weight penalty.

         

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