A red Bike type Extreme Gear that is invulnerable to damage.
Made of a special alloy, this gear is like a mobile fortress invulnerable to damage. — Description, Sonic Free Riders 
Fortress ( is a Bike type フォートレス Fōtoresu ) ? Extreme Gear that appeared in . When used, its rider cannot take damage.
Sonic Free Riders
According to its profile, the Fortress is made from a special alloy that makes it highly resistant to physical damage, almost as if it is an actual fortress. It can be purchased from the shop for 750
The Fortress is very much designed as a real-life racing motorcycle, with smooth and aerodynamic curves and a headlight on the front. It possesses a deep, highly polished red plating that covers it almost entirely, with thin orange highlights on the sides and an orange seat.
Abilities and traits
As a Bike type Extreme Gear, the Fortress is more powerful, but less maneuvrable than most Extreme Gears, and allows its rider to punch through obstacles and
When using the Fortress in a race, the player is invulnerable to damage, meaning that the player will not lose
Rings when hit by other players' attacks, nor is the player affected by distraction-inducing attacks (such as the Octo-Ink). It cannot be equipped with any Gear Parts.
↑ Official in-game description.
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Jun'ichi Kanemaru ( | Sonic) Ryō Hirohashi ( | Tails) Nobutoshi Canna ( | Knuckles) Daisuke Kishio ( | Jet) Chie Nakamura ( | Wave) Kenji Nomura ( | Storm) Koji Yusa ( | Shadow) Rumi Ochiai ( | Rouge) Taeko Kawata ( | Amy) Sayaka Aoki ( | Cream) Etsuko Kozakura ( | Omochao) Kenta Miyake ( | Vector) Daisuke Ono ( | Silver) Nao Takamori (
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