Replacement hardware is available for the various Bell shields using the SRV-1 pivot kit which is designed for 287, 288, 289 and SRV-8 shields. Bell recommends using a new hardware kit when replacing the helmet shield.
Helmet Shield Pivot Repair Kit
For SRV-1 low profile style helmets
Fits 287, 288, 289 and SRV-8 shields287, 288, 289 and 288 style shields