Hard rubber slick tyre, approved for the category FFSA Senior, Master, Gentleman.
The latest "hard" tire Approved by CIK FIA by VEGA 
The adhesion performance was significantly improved compared to XH3. The new XH4 benefits from faster speed and better progressivity in turn. This tire continues to offer extreme endurance.
The new carcass combined with the new high-tech tread, will offer more sensations, more grip in all situations.