Bontrager R4 Classics Tubular

Hard-Case Lite with polyamide synthetic fiber reinforcement add puncture protection and durability to the super supple and fast rolling tread design.

Key features:

- Excels in cobbles and rough roads where traction and confidence matter most
- High grip tread and compound performs in wet and dry conditions
- Super supple polyamide synthetic fiber reinforcement for added casing strength
- Hard-Case Lite protects against punctures with lightweight, sub-tread material
- 38mm valve length with valve extenders available separately