Sena 50S Helmet Clamp Kit SOUND BY Harman Kardon Speakers and Mic (A0202) BOA Lacing System Material durability has improved by

Material durability has improved by 50%

but we went ahead and printed it on the back of the controller housing anyway (just in case you forget)

Adjustable waist strap

along with multi-density EPS

Opening with Velcro fastener and plastic buckle

Sena 50S Helmet Clamp Kit SOUND BY Harman Kardon Speakers and Mic (A0202) BOA Lacing System Material durability has improved byThe 50S Universal Clamp kit with SOUND BY Harman Kardon features enhanced speakers and microphone, which were developed alongside the audio experts at Harman Kardon. The redesigned microphone and expertly crafted speakers allow the 50S to capture and deliver unmatched incoming and outgoing audio. The speakers send crystal clear audio to riders ears while the microphone, with a newly designed sensor, provides robust performance for voice communication