They were traveling through the Meelaghans, Ballina Cross and Ballinagar.
Gardaí are continuing to investigate a serious speeding incident in Offaly at the weekend.
Three motorcyclists were clocked at 188kmph in an 80kmph zone in the Meelaghans area of Tullamore.
They're believed to have continued along the R402 through Ballina Cross and Ballinagar.
The local roads policing unit are asking anyone with information to contact Tullamore Garda Station.