The Millvillie 2 front dirt bike tire is the next generation of the ever popular Millville tire. Great for soft to intermediate motocross riding conditions, the Millville 2 will not disappoint for a motocross tire replacement on your dirt bike. � Designed for soft to intermediate terrain Unique dual rotation tread pattern Improved straight line and braking traction due to paddle shape knobs Improved cornering with more biting edges Tie bar knobs support to reduce knob squirm and increase durability This dirt bike tire is tube type Tire sizes 80/100-21 and�90/100-21 are DOT approved � Available in the following motorcycle tire sizes: 80/100-21, 90/100-21, 60/100-14, 70/100-17, 70/100-19