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Bontrager R4 320 Tubular Road Tyre

$139.99 Model 12295
A super supple, hand-built, 320TPI tubular tyre that excels in road and crit racing.
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The road is calling

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.

Product details

  1. Excellent for road and criterium racing
  2. Supple polyamide synthetic fibre reinforcement for added casing strength
  3. Hard-Case Lite protects against punctures with superior, lightweight, sub-tread material
  4. 38 mm valve length with valve extenders available separately

More options


Size 700C x 25mm
Diameter 700C
Width 25 mm
Durometer 60a
Type Tubular
Maximum pressure 190 psi
ETRTO 25-622
Puncture protection Hard-Case Lite
Weight 290g

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