Terrathruster
From Ratchet & Clank wiki
The Terrathruster was a device in Ratchet and Clank Future: Tools of Destruction. The Smuggler sold Ratchet a Gyro-Cycle on the planet Rykan V. He said he got it from a Lombax that modified it with a Terrathruster. The Terrathruster made Ratchet able to travel at extreme speeds on his new Gyro-Cycle by holding down the X button. Ratchet needed this gadget to progress any further on Rykan V. He also needed it for level later in the game in a city called Meridian City.
