UniFilter - UNI Factory Air Filter- NU past type tag-Helmets - Open-Face The intermediate tread blocks are

The intermediate tread blocks are positioned in staggered rows to maximize traction and feedback throughout varying lean angles

For helmet peak

Pro-Street X - Ring

the Dirt Tricks sprocket was born

UniFilter - UNI Factory Air Filter- NU past type tag-Helmets - Open-Face The intermediate tread blocks areUnsurpassed in airflow, dirt stopping and overall performance Two stage air filters come apart for maximum airflow and ultimate cleaning Most filters feature the Ultra Seal grease groove on the sealing surface Each fits in stock air box exactly like OEM filter Clean easily with grease cutting dishwashing detergent; just clean, oil and reuse indefinitely Made in the U. S. A.