The deceased were identified as Javed (25) and Rajib (26), resident of Kossirukhi village and were on way to Kossirukhi from Sheikhpura when their motorcycle collided with a Dumper at Tapsi village.
Motorcycle rider died on the spot and pillion rider on way to hospital, Station House Officer (SHO) of Dhanaul police station Sunil Choudhary said.
The dead bodies have been sent to Sadar Hospital Nawada for post-mortem, the SHO said.
Dumper has been seized but the driver managed to flee, he added.