K&N - XStream Universal Air Filter (RX-4950) K-Type-Half Helmets Sport collar neck construction for

Sport collar neck construction for superior rider comfort

Special oval bolt hole allows to adjust up and down tail light position

b) Control 2 dual TripMaster units (Left 2 buttons for primary TripMaster

ensuring great ventilation

K&N - XStream Universal Air Filter (RX-4950) K-Type-Half Helmets Sport collar neck construction forK&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service interval. The XStream Air Filter provides awesome air flow and outstanding filtration. When racing, in any environment, racers need all the protection and airflow they can get. K&N delivers. All K&N universal air filters are constructed with ultra strong molded