All bikes in Duel mode have four abilities: speed, acceleration, acrobatics, and ghost.
These abilities can be upgraded using the four materials given in crates.

Abilities have an upgrade limit, which is set according to the bike's stars. To increase the bike's stars, you must rank up the bikes using blueprints and coins from the crates!

The bikes are classified according to their tier and rarity. The tier sets the chips limit and the rarity defines how difficult it is to earn the bike's blueprints.