This hoverboard doesn't have any unlockable upgrades.
Gondola is the twenty-eighth limited hoverboard in Subway Surfers. Like any other hoverboard, it protects the player from crashing for 30 seconds. When crashed, it will need to recharge for a few seconds before it can be used again. It is a limited edition hoverboard exclusive to Subway Surfers World Tour: Venice. It can be purchased with 50,000, like most of others limited hoverboards. It has the appearance of a gondola (as its name suggests).