Highlights

• The Ace is the final legacy of William Henderson (Henderson Motorcycle Company Detroit 1912)
• William Henderson created this spectacular new 4 cylinder motorcycle called The Ace Four in Philadelphia during the early 1920's
• It is an F head and has a displacement of 75 CI (1220cc), has splash lubrication and deliver's 20 HP through a 3 speed gearbox
• This Ace Four was originally sold in Norway and was later exported to Sweden where it was purchased and restored
• The Ace Four later became the Indian Four after the passing of William Henderson in a testing accident in 1922
• The Ace was considerably modernized compared to the last of the original Hendersons