1Anti Skid: The 8inch striped knob tires have better grip and enough friction, the tires are resistant to friction and can effectively skid. 2Alloy Wheel Hub: This mountain skateboard wheel has carbide wheels and high tension for stable performance, durable for long term use. 3Flexible Rotation: The wheel bearings are precisely manufactured, with flexible rotation and high speed rotation, making mountain scooter run smoothly. 4Perfect Replacement Part: This wheel fits perfectly with mountain scooter, when the scooter wheel is damaged, it can be replaced at any time, the performance is the same as the original part. 5Widely Applicable: This pneumatic off road wheel is not only suitable for mountain, but also for road, beach, grass, etc., can be widely used.