Marushin is the helmet business group of Yamashiro Co., Ltd., formerly Marushin Kogyo, a Japanese company specializing in motorcycle helmets. Drawing on experience in helmet manufacturing and sales dating back to 1962, the brand plans, develops and manufactures products designed to balance comfort, functionality and style. Its range includes motorcycle helmets such as the BLADE RIDER, BLADE RIDER CARBON and BLADE RIDER FRP, along with replacement parts and options.

Marushin’s guiding idea, “Safety & a good Fit,” reflects its focus on helmets that provide safety and comfort while meeting riders’ needs in styling, function and materials. The company aims to support motorcycle lifestyles and contribute to the standing of motorcycle culture by offering products suited to the needs of a new generation.

The brand also provides practical product support, including fit information for motorcycle storage compartments, replacement-part details, product specifications, downloadable catalogs and instruction manuals. Guidance covers everyday helmet care, safety standards, shield and chin-guard removal, and washable, removable interiors, helping riders use and maintain their helmets.