There was no front brake on the 1920 Ace.

1920 Ace Pictures

The 1920 Ace motorcycle was both powerful and durable, weighing in at about 395 pounds. A "hopped up" version of the Ace called the XP4 even set a record speed of 129 mph in 1923.

Ace used an external-contracting rear brake.

Ace's F-head inline four displaced 77 cubic inches.

Cartridge-type internal coil spring gave a clean look.

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