James Scott, 50, was pronounced dead at the scene following the collision with a Vauxhall Corsa on the A68, near its junction with the A6093, at around 9.50am.
Mr Scott lived in the Midlothian village. Police said they were appealing for witnesses to come forward.
His family released a statement through police which paid tribute to a “loving husband and father”.
“He would go out of his way to help anyone who needed it and had recently been nominated for employee of the month at work.
“He will be sorely missed.”
Sgt Scott Sneddon of Trunk Road Policing said: “Our sincere condolences go to James’ family and friends at this very sad time.
“We are still keen to speak to anyone who saw the collision on the A68 on Sunday or who has information that can help us with our inquiries into this incident.”