Mouse Over to Zoom

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 220 tpi casing, this tire lives up to it's billing as the World's Fastest Tire. All that and it even has Hard-Case Lite protection so flats won't even mess up your plans.

Price

$79.99

R4 Aero

Features

  • Unique tread profile improves aerodynamics and saves more than 37 seconds over a 40K time trial than the closest competitor
  • Aero wings - Unique bead profile closes the gap between rim and tire for improved aerodynamics
  • Hard-Case Lite - Lightweight sub-tread material protects against punctures
Part No. MSRP* FT/RR/PR Size TPI Bead Type Color Color - Sidewall Weight
430055 79.99 Dual 700 x 22C 220 Aramid Clincher Black Black 170g

*Pricing is set by Bontrager retailers and does not include freight, import duties or taxes for retailers outside of the US.

R4 Aero
Hard-Case tire cross section

Anti-flat. Pro performance.

Bontrager Aero Wing

Aero Wings: Tires can be a drag. Not these.

Aero Wings

R4 Aero

R4 Aero: World’s Fastest Tire

The R4 Aero—or what we refer to as the world's fastest tire—is just that. We set out to create a tire that excelled in aerodynamics and in rolling resistance. The result, the fastest tire on the market, in every wind angle, at every speed.

R4 Aero
Tire pressures

Tire Pressure Chart

The tire pressure you run depends on the conditions where you ride and the size of your tire. The following chart highlights the minimum and maximum rated tire pressure for each tire.