Bontrager R4 Tubular Tire

Bontrager's R4 Tubular's race performance gives unequaled road feel yet is extremely durable for a racing tubular thanks to Hard-Case Lite protection.

• Lightweight 320 tpi racing tubular
• Excellent for road and criterium racing
• Super supple polyamide synthetic fiber reinforcement for added casing strength
• Hard-Case Lite has lightweight sub-tread material protecting against punctures