Back to Bike FinderYears: 1939 · 1938 · 1937 · 1936 · 1935 · 1934
DKW SB 500A
1934Allround

DKW SB 500A

Key specifications

Engine
494 cc
Weight
235 kg
Fuel type
petrol
Fuel capacity
3.4 L
Seat height
27 mm
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

### Introducing the DKW SB 500A The 1934 DKW SB 500A is a remarkable piece of engineering that stands as a testament to the pioneering spirit of early motorcycle design. Positioned in the allround category, this motorcycle was built to cater to a diverse range of riders, from everyday commuters to adventure seekers looking for a reliable companion on their journeys. With its distinctive styling and robust performance, the SB 500A quickly found favor among enthusiasts and riders alike, making it a noteworthy model in DKW's storied history. ### Engine Performance and Riding Characteristics At the heart of the DKW SB 500A lies a 494cc twin-cylinder, two-stroke engine that exudes character and charm. With a compression ratio of 5.7:1, this powerplant delivers an exhilarating top speed of 115 km/h (71.5 mph), making it a spirited performer on both urban streets and open roads. The engine's design boasts a bore and stroke of 68mm by 68mm, resulting in a well-balanced output that provides both torque and throttle response. Coupled with a Bing carburettor, the SB 500A achieves a commendable fuel consumption rate of just 3.50 litres per 100 km (67.21 mpg), making it a practical choice for long-distance rides. Riders can expect a smooth, engaging experience thanks to the foot-operated oil bath multidisc clutch and chain final drive, ensuring seamless gear transitions and a direct connection to the road. ### Key Features and Technology The DKW SB 500A is not just about engine performance; it is also equipped with features that enhance rider comfort and safety. The motorcycle features robust drum brakes, both front and rear, measuring a substantial 200mm in diameter, providing dependable stopping power. The front suspension utilizes a girder fork with a coil spring, offering a blend of rigidity and comfort over varied terrain, while the rigid rear suspension maintains a classic aesthetic without compromising stability. With an adjustable seat height of 675mm, the bike accommodates riders of various statures, ensuring a comfortable riding experience. An electric starter adds a modern touch, allowing for effortless ignition and increased convenience when embarking on your next adventure. ###

Pros

    Cons

    • Exceptional Fuel Efficiency: With a consumption rate of 3.50 litres/100 km, the SB 500A is economical, making it ideal for long rides.
    • Classic Design: Its timeless styling and robust engineering appeal to vintage motorcycle enthusiasts and collectors.
    • Smooth Performance: The twin-cylinder engine provides a balanced mix of power and torque, making it an enjoyable ride for various terrains.
    • Weight: At 235 kg (518 lbs), the SB 500A may feel heavy for some riders, especially during low-speed maneuvers.
    • Limited Suspension Travel: The rigid rear suspension may not absorb bumps as effectively as modern designs, potentially affecting comfort on rough surfaces.
    • Drum Brakes: While effective for their time, the drum brakes may not offer the same stopping power and responsiveness as contemporary disc brake systems.

    Technical details

    Source specification data

    Make
    DKW
    Model
    SB 500A
    Category
    Allround
    Light
    Twin headlights
    Starter
    Electric
    Clutch
    Foot-operated-oil bath multidisc
    Top Speed
    115.0 km/h (71.5 mph)
    Engine Type
    Combined two 247cc cylinders on a single block
    Fuel System
    Carburettor. Bing
    Bore X Stroke
    68.0 x 68.0 mm (2.7 x 2.7 inches)
    Compression
    5.7:1
    Displacement
    494.00 ccm (30.14 cubic inches)
    Engine Details
    Twin, two-stroke
    Fuel Consumption
    3.50 litres/100 km (28.6 km/l or 67.21 mpg)
    Greenhouse Gases
    O2
    g/km. (
    O2
    -
    Carbon
    dioxide emission)
    Transmission Type Final Drive
    Chain
    Dry Weight
    235.0 kg (518.1 pounds)
    Seat Height
    675 mm (26.6 inches) If adjustable, lowest setting.
    Fuel Capacity
    13.00 litres (3.43 gallons)
    Overall Length
    2,125 mm (83.7 inches)
    Rear Tyre
    3.50-19
    Front Tyre
    3.50-19
    Rear Brakes
    Expanding brake (drum brake)
    Front Brakes
    Expanding brake (drum brake)
    Rear Suspension
    Rigid-
    Front Suspension
    Girder fork coil spring
    Rear Brakes Diameter
    200 mm (7.9 inches)
    Front Brakes Diameter
    200 mm (7.9 inches)