Bell 280 Helmet Shield - SRV (Fits SA2005 M4, M4 Pro) Color_Orange it is no wonder this

it is no wonder this compound is a best seller with the SCCA

The direct power transponder can be connected to the vehicle's battery or other external power source (this unit is not rechargeable)

Despite the extra material needed for the high SFI-rating and a TPP of 100

Ideal for sprint and medium-distance racing

race-ready braking performance

Bell 280 Helmet Shield - SRV (Fits SA2005 M4, M4 Pro) Color_Orange it is no wonder thisBell 280 Replacement Shield fits all SA2005 M4 and M4 Pro helmets equipped with the SRV style pivot (non detent). Bell recommends that you periodically change shields for better vision and safety. All shields come with adjustable tear off posts.