After the changes of the 2019 Halloween Update, the box is now only obtainable from Challenge 4 of bike Mastery races.
With the 2019 Spring Update, the box had been removed as a Moto Blitz helmet reward and was then only available as a permanent offer for Tokens of from bike Mastery.
Hidden rules[]
The box has fixed drop rates for Engines, Tech and Parts. Every box contains exactly
↑Fabien FromGameloft (2019-03-28).Coming up in the next update of Asphalt 8: Airborne. Gameloft Forums. Retrieved on 2019-04-16. “As a consequence, bike-specific cards will only be available in devoted ProKit boxes, bikes mastery seasons and Moto Blitz career seasons. They won’t be dropping from the usual ProKit boxes.”
Critical: Sample size < 200
967 per card
