opony bmx primo v monster hd tires ridehubPrimo V MONSTER HD Tires are the legendary BMX tires in an upgraded HD version , designed for maximum durability, grip, and versatility . With the classic V Monster tread , they offer excellent control on a variety of surfaces , from street to park and dirt. The HD (Heavy Duty) version features reinforced sidewalls for increased puncture and impact resistance. The high quality rubber compound ensures long life and stability , while a maximum inflation