Marcus Ericsson on Twitter: "🚨Indy 500 @BellRacingHQ helmet reveal🚨Retro old school style with inspiration from my hero Ronnie Peterson and my home country Sweden's national emblem the Three Crowns. Design by @seanbulldesign
Superswede: En film om Ronnie Peterson (Blu-Ray) | Papercut
Marcus Ericsson hedrar Ronnie Peterson i Monacos Grand Prix | Motorsport | Teknikens Värld
RONNIE PETERSON 1973 1974 F1 REPLICA HELMET FULL SIZE | CM Helmets