The Pirelli Scorpion line of tires are well known for their durability and versatility. The Scorpion MX Extra J is no different. The Extra J is strictly an off-road tire and is perfect for practice MX riding or joy riding. It features a tread pattern with plenty of space between tread blocks to supply traction in softer terrains. The tread can also handle harder and more compact terrains, making it a very versatile tire. These tires are intended for mini MX bike, or pit bike, sizes between 50-100cc. If you have a young one that loves riding their little 50cc or you enjoy racing your pit bike, grab a set of Pirelli Scorpion MX Extra J to take your riding to the next level!