K & N Race-Spec Air Filter - R1 YA-1009R 21 Racewear Hat double roller bearings in the

double roller bearings in the brake + shifter pivots and carbon fiber heel guard (one side only)

87 DB at idle

Includes all mounting hardware

Multi-layers of woven cotton gauze media offer excellent filtration

Graves Motorsports Sport Bike Rear Brake Return Spring

K & N Race-Spec Air Filter - R1 YA-1009R 21 Racewear Hat double roller bearings in theFewer pleats than standard K&N air filters opens up the intake tract Designed to increase power on modified sportbikes Fuel management modifications may be necessary Made in the U. S. A. for over 50 years Two ply cotton race filter media Purpose built for racing Designed for Closed Course and Competition use