Bell SRV-2 Replacement Pivot Kit Option:Silver The larger 4mm hole is

The larger 4mm hole is used with Bell SRV-style shields

Purchase an additional APEX Pro baseplate to easily transfer the unit to an any vehicle

while still providing inboard/outboard lap belt mounting locations

The Arai PED Aero Kit attaches to any Arai GP-5 or GP-6 helmet

aramadic knit material for a sandwich that increases breathability while maintaining a light weight

Bell SRV-2 Replacement Pivot Kit Option:Silver The larger 4mm hole isBell Replacement Pivot Kits are perfect for replacing worn or broken pivots on Bell Helmets. They're also great for adding some color to your Bell Racing Helmet! SRV 2 kits fit BR1 and Sport helmets (see complete shield list below). SRV 2 Pivot fits the following shield styles: 276 281