FRANKFORT — Searsport resident Mitchell Philbrook, 23, died Saturday, June 11, in a motorcycle crash on Route 1A in front of Winterport Discount Mattress and Furniture, according to Lt. Matt Curtis of the Waldo County Sheriff’s Office.

Philbrook was traveling south with two other motorcyclists when he went off the road, hit a driveway embankment and was thrown from the motorcycle, Curtis said. He died at the scene of injuries from the crash.

An investigation into the crash is ongoing but Curtis said speed was a factor. Authorities are also looking into possible mechanical failures. The accident was reported at 4:45 p.m.

Philbrook was the only one on the motorcycle and no other injuries were reported, Curtis said. Philbrook was not wearing a helmet, he said.

Funeral arrangements are with Riposta Funeral Home, Belfast.