The Skill Booster (スキルアッパー Sukiruappā?, lit. "Skill Upper") is a Board type Extreme Gear that appears in Sonic Riders: Zero Gravity. It has exceptionally high stats, but limited Gravity Point accumulation.
According to its profile, the Skill Booster is considered a "strange" Extreme Gear due to its abilities. It can be purchased at the shop for 3,700 Rings.
The Skill Booster, like most other Board type Extreme Gears in Sonic Riders: Zero Gravity, have a distinct board shape, but is thicker and smoother than the Board type Extreme Gears in Sonic Riders, though it is not quite as thick as most other Board type Extreme Gears in the game. It is mostly colored black, with grey metal accents and thin green lines running across the front and each side of the rear. It has as well two red exhaust ports and two grey foot panels on the top of it that are joined together.
Abilities and traits
As a Board type Extreme Gear in Sonic Riders: Zero Gravity, the Skill Booster is well-balanced in its attributes and is suited for general riding.
The Skill Booster possesses very high and balanced stats, even by the average standards for Extreme Gears in Sonic Riders: Zero Gravity, ensuring high basic handling abilities. As a drawback however, the Skill Booster gains slightly less Gravity Points earned from performing Tricks and accessing Wall Route shortcuts compared to most other Gears.
|Starting Speed UP||Increases the Skill Booster's acceleration.||20 Rings|
|Max Speed UP||Increases the Skill Booster's top speed.||50 Rings|
|Durability UP||Increases the Skill Booster's endurance.||70 Rings|
- This Extreme Gear has some similarities to the Potential in Sonic Free Riders. This Extreme Gear even possesses the colors of the Potential who appears in the later game; in this case, black and green.
- Official in-game description.