Triathlon and time trial specialists
Every second counts. Every watt precious. Nothing gets between you and a PR. The R4 Aero road tire is your tire. With it's aerodynamic profile, Aero Wings and 220TPI casing, this tire lives up to its name as the world's fastest tire.
- Unique tread profile improves aerodynamics and saves 37 seconds over 40km
- Aero Wing bead eliminates gap between rim and tire for ultimate aero advantage
- Hard-Case Lite sub-tread material protects against punctures
- Go green and save green - Zero packaging means zero waste and zero extra cost