BGM Change

BGM Change is a Gear Part that has appeared in Sonic Riders: Zero Gravity. It is an Extreme Gear component that changes the BGM as well as the Extreme Gear's form.

Description
BGM Change is an installable performance-enhancing component for Extreme Gears. Its actual appearance is unknown, though it is presented as an icon on the head-up display in the top-left corner of the game screen. Its icon is a green-colored circle with an eighth note (quaver) inscribed in it. In gameplay, the player can activate Invisible under special circumstances, To activate BGM Change in gameplay, the player must press one of the following buttons after collecting a certain amount of Rings:

When activating BGM Change, the Extreme Gear is surrounded by an orange void, indicating that the Gear Part coming into effect. When activated, the Extreme Gear changes form (in the Hang-On's case, the Gear will transform into the Super Hang-On and a new background music begins to play for the entirety of the race.