full face motorcycle helmet with bluetooth Modular Helmets, DOT Approved Flip Up Motorcycle Dual Visor Helmet, Dual Speakers and Microphone, for Adults Men and Women M~XXL : Automotive Automatic Sensor Helmet for E-Bikes CUSTOM* COLORADO BUFFALOES NCAA or step up to Type 2:Shimano 7-speed

full face motorcycle helmet with bluetooth Modular Helmets, DOT Approved Flip Up Motorcycle Dual Visor Helmet, Dual Speakers and Microphone, for Adults Men and Women M~XXL : Automotive Automatic Sensor Helmet for E-Bikes CUSTOM* COLORADO BUFFALOES NCAA or step up to Type 2:Shimano 7-speed

CUSTOM* COLORADO BUFFALOES NCAA Riddell SPEED Full Size Replica Football Helmet | eBay

It’s streamlined, low profile and narrow so it doesn’t look like a bulbous block on my head

Automatic Sensor Helmet for E-Bikes

Type 2:Shimano 7-speed

[DOI] [PubMed] [Google Scholar] 2.McCrea M, Hammeke T, Olsen G, et al

or step up to Shockwave Mesh powered by Cardo for group rides (both sold separately)