There is an unlockable Gear called the "Hang-On", (in the form of the sit-down arcade cabinet), however, collecting 100 rings and pressing a button during a race changes the gear (and main music) to the sequel's sit-down arcade cabinet and Outride a Crisis from said game.
The "Hang-On" Gear is unlockable for around 6,000 rings. Collecting 100 rings and pressing a button during a race in this gear changes the gear from a Hang-On sit-down arcade machine to the sit-down cabinet to this game. It also changes tunes from the main theme of the 1985 classic to Outride a Crisis.