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Bontrager R4 320 Tubular Road Tire

Bontrager R4 320 Tubular Road Tire
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Details

A super supple, hand-built, 320TPI tubular tire that excels in road and crit racing.

The pavement 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
- Excellent for road and criterium racing
- Supple polyamide synthetic fiber reinforcement for added casing strength
- Hard-Case Lite protects against punctures with superior, lightweight, sub-tread material
- 38mm valve length with valve extenders available separately

Specifications
- TPI: 320 TPI
- Durometer: 60a
- Type: Tubular
- Max pressure: 190psi
- ETRTO: 23-622
- Puncture protection: Hard-Case Lite
- Studdable: No
- Weight: 280g (23) / 290g (25)

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