Sena R1 Quick Start Manual page 9

QuICk START GuIDE
How To Fit the Helmet
1. Position the helmet on your head with the
front covering your forehead.
2. Position the strap adjuster centered, just
below your ears.
3. Position the helmet low on your forehead
with the buckle under the chin and back
against the throat. The straps should fit
comfortably around both ears.
Buckle Strap Adjuster