1. Loading...


Bontrager R4 Tubular Factory Overstock Road Tire

$70.00 $99.99 Model 31118
A super supple, hand-built, 320TPI tubular tire that excels in road and crit racing.
Search store availability

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

  1. Excellent for road and criterium racing
  2. Supple polyamide synthetic fiber reinforcement for added casing strength
  3. Hard-Case Lite protects against punctures with superior, lightweight, sub-tread material
  4. 38mm valve length with valve extenders available separately
  5. Go green and save green - Zero packaging means zero waste and zero extra cost

More options


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

Product Compare Rack

Start comparison