This hoverboard doesn't have any unlockable upgrades.
Uprock is a board exclusive to . Like any other hoverboard, it protects you from crashing for 30 seconds. When crashed, the hoverboard will explode and need to recharge for a few seconds before using again. It costs 180 during the season hunt.
It's a purple colored board with a blue spray can on it with yellow and red colors behind it.