Grand Prix TR Ultegra Di2 our latest evolution in terms

our latest evolution in terms of casing constructions

3 ring design prevents any water from entering in the ear canal while maximizing comfort with an ergonomic design

Installs and removes quickly and easily

Our X-SYNC technology keeps the chain where you need it to be

Great for off road rides in dry

Grand Prix TR Ultegra Di2 our latest evolution in termsNew for 2025 The Grand Prix TR is a tire built for every ride. It is the perfect option for those looking for a great value tire that is tubeless ready. The Grand Prix TR is the perfect tire for that chilled Sunday ride with friends, sprinting for town signs, and enjoying the road ahead. Each tire is built using our iconic BlackChili compound and features an all new 4 ply construction. It's a serious tire for those that prioritise enjoyment over pure