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Italian Motorcycles

Abra Motorcycles


Manufactured 1923 - 1927

Alfeo Rodolfi established Autobicicletta Brevettata Rodolfi Alfeo in Bologna using both DKW and, from 1924, their own 132cc two-stroke engines. A limited number of motorcycles were built between 1923 to 1927

Models:

ABRA Viaggio 1923


    Engine: DKW horizontal two stroke single. Bore 50, Stroke 60. Capacity 117.7cc
    Ignition: flywheel magneto
    Lubrication: petrol-oil mixture
    Gearbox: 3:1 reduction
    Final drive: Belt
    Frame: Single cradle, steel tube
    Wheels: 700x38B tyres
    Maximum speed: 45 km/h

ABRA Sport 1924


    Engine: DKW vertical 2-stroke single. Bore 52.5, stroke 60. Displacement 129.8 cc
    Ignition: flywheel magneto
    Lubrication: with petrol-oil mixture
    Primary transmission: gears
    Gears: 2-speed
    Final drive: belt
    Frame: simple cradle, steel tube
    Wheels: 26x2 tyres
    Maximum speed: 65-70 km/h

ABRA Sport 1925


    Engine: DKW vertical 2-stroke single. Bore 52.5, stroke 60. Displacement: 129.8cc
    Ignition: flywheel magneto
    Lubrication: petrol-oil mixture
    Primary transmission: gears
    Gearbox: 2-speed
    Final drive: belt
    Frame: tubular cradle
    Wheels: tyres 26x2
    Maximum speed: 75 km/h


Rodolfi Engine


    Specification
    Type: auxiliary motor
    Production Year: late 20s early 30s
    Engine: single-cylinder inclined 2-stroke. Bore 38.8, Stroke 41mm 48.4 cc
    Ignition: Dansi flywheel
    Lubrication: petrol-oil mixture

Sources: Henshaw, correspondence, Musei Patrimonio Industriale


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