Bridgestone's most advanced motocross technology to give you the grip, speed and control you need to power with confidence across any terrain. There is no terrain you can't handle. Hard and fast performance: Engineered to tackle even the hardest terrain with ease and precision. So you can experience the thrill of true off-road performance. Unbelievable response: Developed and proven at the highest level of motocross competition, the BattleCross X40's revolutionary tread pattern lets you explore the pinnacle of off-road performance. Flexible performance: When your path takes an unexpected turn, the BattleCross X40 delivers with superlative grip and maneuverability when you need it most. Durable construction: Even the toughest terrain is no match for Bridgestone's most robust motocross tire yet, thanks to the latest compounds and construction techniques.