best vented motorcycle helmet 2019 Bluetooth Modular DOT Approved Full Face Motorcycle Helmet Street Bike Helmet with Flip Up Anti-Fog Double Helmet Dual Speaker with Microphone for Adult Men and Women M-XXL(A,M=(57-5 : Automotive Stylish and Sexy Bianchi Color:Pink 3 and a fully removable Karben Sonic

best vented motorcycle helmet 2019 Bluetooth Modular DOT Approved Full Face Motorcycle Helmet Street Bike Helmet with Flip Up Anti-Fog Double Helmet Dual Speaker with Microphone for Adult Men and Women M-XXL(A,M=(57-5 : Automotive Stylish and Sexy Bianchi Color:Pink 3 and a fully removable Karben Sonic

Stylish and Sexy Bianchi Carbon Urban Bike by Gucci - Tuvie Design

Finally, always check the switch gear

Karben Sonic

Color:Pink 3

Based on helmet structure, I've decided to use double-sided tape if I'm going to mount one for practice or non-sanctioned events...YMMV

and a fully removable chin bar that instantly transforms from a modular to ľ open