The R4 tire combines Bontrager's new low rolling resistance 220 tpi casing, proven Plus puncture protection and Bontrager's exclusive aero wing technology for an unparalleled riding experience.
For higher performance, racing purposes only. Not intended for everyday use or training
220 tpi casing provides unparalleled comfort, light weight and low rolling resistance
Bontrager-exclusive aero wings for advanced aerodynamics
Integrated sub-tread puncture protection (Hard-Case Lite)
Approx weight: 175g
700c x 23mm