It's Ireland's third gold of the games.
Katie George Dunlevy and Eve McCrystal have won Ireland's third gold medal of the Paralympic Games.
They won the Women's B Time Trial on the road in Tokyo, coming home in a time of 47 minutes 32 point zero seven seconds.
It was a commanding gold medal performance.
They finished almost a minute in front of Great Britain in second place.
Team Ireland now has six medals on the board.
Earlier, hand cyclist Gary O'Reilly from Laois claimed bronze in the H5 Time Trial.
He clocked a time of 39 minutes 36 point four six seconds on the road.
Ronan Grimes ended in sixth place in the C4 Time Trial Final.
Richael Timothy (PR: Rochelle) finished 14th in the C1-3 Time Trial.
And Orla Comerford was 4th in her heat in the T13 100 metres, a result which was not enough to reach the final.

A Huge Weekend For 3 Kildare Clubs In Leinster Semi Final Action
Friday Afternoon Sports Update
Friday's Sports Update
Lorraine Woulfe Will Be Elected As New County Secretary
Thursday Morning Sports Update
Ireland's James Ryan Handed Three-Match Ban Following Red Card
Kildare County Council Honours Kildare Senior Football Team with Certificate of Recognition
Wednesday Morning Sports Update