Brand: Harley-Davidson
Model: Models 0, 1 (Named retroactively in 1908)
Years: 1904–1905
Engine: 24.74 cu in (405.4 cc) IOE single
Notes: Single-downtube bicycle-like frame, direct leather belt drive, rear coaster brake. Construction began in 1903; sold as production models in 1904–1905
Source: Wikipedia