QR Code Link to This Post 509 Altitude Pink Ops. Size small helmet (55-56 CM) DOT certified. Almost brand new, maybe 2-3 rides. Includes everything from new purchase; box, soft bag, manual, etc. This helmet is a sweet design. Also has a super sick removable ninja mask! (See pics) $100 firm, cash only. Call or text for info. Let's block ads! (Why?)