There are 1000 good reasons for a thousand bicycle helmet. Here are 3: Weighing only up to 410 grams, it is light, handy and very comfortable to wear. In addition, the thousand helmet has anti-theft protection, so you can chain it to the bike lock. The spin-dial system ensures the perfect fit. So if you like to be stylish and safe on the road, thousand's lifestyle helmets are the perfect choice.