We are the UK distributor for Arai for the On Road & Car/Karting helmets, so we can help with any UK & Northern Ireland based queries
From elsewhere?
Europe: https://www.araihelmet.eu/en
America: https://www.araiamericas.com/
Japan: http://www.arai.co.jp/jpn/top.html
Australia: http://araihelmets.net.au/