Mandiriqq
https://lima-wiki.win/index.php?title=Responsible_for_a_Mandiriqq_Budget%3F_10_Terrible_Ways_to_Spend_Your_Money
For head protection, a helmet is essential. Depending on the track rules, this may need to be a full-face helmet or a helmet with a separate mouthguard. Other tracks will accept any type of inexpensive motocross-style