A 51-year-old man has died after a sudden fall from his bicycle in Sha Tin this afternoon.

He was riding along Sui Wo Road at 4pm when the incident occurred near Sui Wo Court.

The man reportedly lost control of his cycle and rammed into a pedestrian roadside divider, falling and hitting a concrete ditch cover.

He was sent to Prince of Wales Hospital where he died at 6.35pm.

Anyone who saw the accident should call Police on 3661 1300.