Bontrager bike tyre R4 aero 700x22c black

The World's Fastest tyre combines the aerodynamics and low rolling resistance of the R4 tyre with a new streamlined profile saving you 9+ seconds over the next fastest tyre in a 10k time trial.

Product information:

The new Worlds Fastest tyre. More than 37 seconds faster over a 40K time trial than our closest competitor

For higher performance, racing purposes only. Not intended for everyday use or training

220 tpi casing provides uLTra low rolling resistance and excellent ride quality

CFD-aided tread profile for better aerodynamics on contemporary rim widths

Aero wings help slice through the wind

Integrated sub-tread puncture protection (Plus)

Size (if applicable): 700 x 22 Folding
Colour (if applicable): Blackwall