Sena SF Series HD Speaker Category_Brake Discs (Rotors) Hardened bushings reduce wear and

Hardened bushings reduce wear and seal damage

Our clutches utilize 20% oversize rollers

With a tight but comfortable helmet

adhesive and Velco mounts are included

Flash Point: 230°C

Sena SF Series HD Speaker Category_Brake Discs (Rotors) Hardened bushings reduce wear andA Renewed Audio Experience Longtime Sena users will soon have the opportunity to refresh and upgrade their beloved and well travelled devices to experience audio at a level sure to provide many more miles of enjoyment. Sena's premium HD Speakers offer a marked increase in volume, bass boost, and clarity for a noticeably enhanced audio experience while riding. The new HD Speakers are also redesigned for physical comfort with a bevelled taper to reduce