Bell Pit Boss Open-Face Motorcycle Helmet (Solid Matte Black, Medium) 091769115333 and can be used alone

and can be used alone or in a larger grouping for maximum storage

Pressure adjustment knob

Straight -4 AN to 1/8" NPT (National Pipe Tapered) pipe size

5mm Stereo Jack

Genuine Kia OEM product

Bell Pit Boss Open-Face Motorcycle Helmet (Solid Matte Black, Medium) 091769115333 and can be used aloneBrand Bell Model 2033201 Color Solid Matte Black Size Medium Lightweight composite shell 3 Shell 3 EPS sizes for a compact fit Innovative Speed Dial adjustable fit system Anti bacterial microfiber liner PIT BOSS SPORT From the first time you put the Pit Boss helmet on, you can feel the difference. The ultra light TriMatrix construction keeps weight to a minimum while still passing tough DOT standards. Also featuring Bell's innovative Speed Dial fit