ALPINESTARS SM3 Helmet - Heat - Gloss Yellow Fluo/Black - Medium 8301026-5011-M 5.00 a shallow subwoofer crafted for

a shallow subwoofer crafted for ported boxes

54" (90mm) Overall Diameter: 12

We can do modify the design to your liking

1 / Audio Streaming / Hands Free calls Wi-Fi: Built-in Camera Input: RCA Analog Video up to HD 720p (Front/Rear) Video Output: Dual RCA (1 Volt/75 ohm) A/V Aux Input: Rear RCA Audio and Video / Front 3

ALPINESTARS SM3 Helmet - Heat - Gloss Yellow Fluo/Black - Medium 8301026-5011-M 5.00 a shallow subwoofer crafted forVaried thickness shell construction for optimized protection and light weight 6 piece EPS liner with three different densities Polished inner EPS liner with special coating to reduce friction with comfort liner for rotational impact management One outer shell and two inner EPS liner sizes, with optional + 5 mm cheek pads for a tailor made fit Breakaway visor