Which sports product launch introduced a revolutionary feature that was initially banned in professional competition but later became standard equipment?

Major sports equipment manufacturers constantly innovate to give athletes the competitive edge. One product launch in particular revolutionized a popular sport by introducing a groundbreaking technological feature that was initially met with skepticism but is now standard equipment. Test your knowledge about this game-changing product introduction that transformed how the sport is played and experienced.

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The Speedo LZR Racer swimsuit (2008) which reduced drag by 24% and led to 98% of Olympic swimming medals being won by athletes wearing it
Nike Air Jordan basketball shoes (1985) which were initially banned by the NBA for providing unfair jumping advantages
The titanium Pro V1 golf ball (2000) which increased driving distance by 15% and was temporarily restricted in PGA tournaments
The composite carbon-fiber tennis racquet (1990) which generated 30% more power and was initially prohibited at Wimbledon