Kyrie Irving might be able to give Justin Bieber a run for his money at the skate park ... 'cause the NBA star can REALLY skate ... so says skate legend Eric Koston.
Koston is one of the all time greats -- and has skated with TONS of celebs. So, when we asked him to name some of the best ... he told us Kyrie was on the list.
In fact, Koston says Kyrie's been to his private skate park and killed it -- busting out some super impressive tricks.
We actually found some footage of Kyrie on the board ... check it out.
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