If you like.
Much research shows that there is no problem with have stickers on any form of helmet such as ; motor cycle helmets, bmx/shateboard helmets and any other form of crash helmets.
No Stickers will not weaken your helmet, put as many on as makes you happy.
One can purchase BMX stickers online at websites such as DansComp, Zazzle, Lux BMX, and Supercross. One can also find them for discounted prices at Amazon or eBay.
Yes they do depending on the stickers
Yes you can use a motor cross helmet for bmx riding i actually recommend it but that's my opinion
You can purchase a BMX bike helmet from any retail bike shop, online or a store like Walmart . You can also look on ebay or craigslist for a BMX helmet
The Stickers on the Stanford Cardinal helmet is a large red S with a green California Redwood in front.
yes you can also stick stickers on other players that are playing as well
yesANS 2 - Most stickers will not stick to dry silicone. However if you wipe wet silicone across the back of stickers that works well.