SHARP has today published safety ratings for the Stealth HD189, X-Lite X1003 and Arai Quantum ST Pro. This takes the total number of helmets that have been rated by SHARP to 366. Further helmet models are in the test programme and their results will be published as soon as they become available. Subscribe to our newsletter or follow us on Twitter @SHARPgovuk and we will let you know when these ratings are published.