What are the big 3 bike brands?
When cyclists talk about the big 3 bike brands, they are usually referring to trek, specialized, and giant. These companies have earned global recognition thanks to their wide product range, strong reputations, and consistent innovation. Why are trek, specialized, and giant called the “big 3”? Because they dominate global sales, sponsor professional teams, and offer complete lineups across road, mountain, hybrid, and e-bikes.