bicycle accessories - Version 1.0 http://www.accessories-bicycle.us - If you like riding your bike then you know it's hard to ride without the best accessories. Especially when you know a lot of the best accessories out there are for safety as well. The one bike accessory that you will always need to wear and own is the bike helmet. A lot of states have made riding without one illegal. So you should wear one anyways to be on the safe side.