Shoei XR1100 RR Top Vents - Grey Chain/Sprocket Pitch_520 Sena’s premium HD speakers are

Sena’s premium HD speakers are redesigned and optimized for both physical comfort and unmatched audio performance

By pulling off the cheek pad that holds the rider's cheek in place

Highest-grade copper windings

Also includes two new ground plugs and 6mm ball bearings

Its waterproof construction means contents are kept safe in any weather and the roll-top design with compression straps allows you to adjust its size to fit exactly what you need to carry

Shoei XR1100 RR Top Vents - Grey Chain/Sprocket Pitch_520 Sena’s premium HD speakers areFor opening and closing the rear air intakes. Features: Ventilation controller to replace the original parts or to customize the helmet individually. Suitable for the model XR 1100.