6D Helmets ATS 1R Helmet Gloss Black Large 30 0907 2012 Suzuki LT A400F Eiger 4X4 Auto TSSM and HFSM) Security TSSM and HFSM) Security siren (optional on 2007 2009 models) Radio (storage box) Radio antenna Front fairing speakers Front headset receptacle (2008 2009 FLHTCUSE models) Rear passenger switches Rear speakers CB module (FLHTCU models) Relays Electrical connector location and identification Electrical connector service Autofuse electrical connectors Sealed butt connectors Wiring diagrams Specifications OEM PN: 51814 Air gap™ ventilation 4 adjustable intake ports channel fresh air into the helmet where it is managed by a network of 15 transfer ports and 5 exhaust ports Air gap™ ventilation system