Marangoni Tread North America has announced the introduction of the first ever wide-base precured splice-less retread for concrete mixers that run 425/65R22.5 and 445/65R22.5 tires. The Ringtread MIX400 is suited for all Concrete Mixer applications where superior traction, durability and reliability are required, the company said. It features wide open shoulders in order to keep them clean from stones, mud and water. It is non-directional, with no retread markings and the Marangoni logo on the tread. The Ringtread MIX400 is produced with the newest Marangoni Concrete Mixer compound.