Faster and even faster. We challenge ourselves. That is why
in the “ZX” we installed our latest developments, RaceStar Triple
Compound and HD-Speed-Guard. Both components perfectly
combine the requirements of competition racing cycle tires.
That is exactly why the ZX is the best Ultremo ever!
Size: 26 x 2.10"
Version: HD Speed Guard
Buy from Chain Reaction Cycles, the World’s Largest Online Bike Store.