Sena SF4 HD Bluetooth Headset YCRF_bicycle_helmets fog-resistant shield cuts wind and

fog-resistant shield cuts wind and can be attached to your Scout Air helmet on the go

Designed specifically for riding using a warming

Developed and tested in competitive snocross racing environment

Staggered Tread Pattern: Provides excellent traction in wet conditions

Heavy duty ball joints feature steel on steel design with an adjustable cap and a grease zerk fitting

Sena SF4 HD Bluetooth Headset YCRF_bicycle_helmets fog-resistant shield cuts wind andSMALL GROUPS CONNECTIVITY & COMMUNICATION The SF4 is the perfect device for riding with friends by providing connectivity for small groups. The SF4's 4 way intercom has a range over 1. 2 kilometers (. 80 miles) so you can easily stay connected with your group in open terrain. The SF4 also uses smartphone connectivity, allowing for music streaming, taking and making phone calls, and hearing turn by turn GPS directions. Most importantly, riders can