Back to Bike FinderYears: 1958 · 1957 · 1956 · 1955
Adler M 100
1955Sportbike

Adler M 100

Key specifications

Engine
100 cc
Weight
70 kg
Fuel type
petrol
Transmission
3-speed
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

### Introducing the 1955 Adler M 100: A Gem of Post-War Engineering The 1955 Adler M 100 motorcycle stands as a testament to the innovative spirit of post-war Germany, combining classic design with sporty performance. Positioned in the sport category, this nimble machine was designed for riders seeking both agility and style. With its sleek lines and distinctive German engineering, the Adler M 100 captured the hearts of motorcycle enthusiasts, offering an exhilarating ride that was both accessible and engaging. ### Engine Performance and Riding Characteristics At the heart of the Adler M 100 is a robust single-cylinder, two-stroke engine with a displacement of 100 cc, delivering a spirited top speed of 70 km/h (43.5 mph). The compression ratio of 7.2:1 ensures a lively throttle response, making it perfect for both urban commuting and winding country roads. The 3-speed gearbox provides smooth shifting, allowing riders to navigate through gears effortlessly. With a lightweight frame weighing in at just 70 kg (154.3 pounds), the M 100 boasts remarkable agility, making it a delight to maneuver in tight spaces or during spirited rides. The air-cooled engine, paired with a reliable carburettor fuel system, offers a satisfying blend of simplicity and performance that is cherished by riders who appreciate the charm of vintage motorcycles. ### Key Features and Technology The Adler M 100 is not just about performance; it also showcases thoughtful engineering in its design. The double cradle frame provides exceptional stability, while the 125 mm drum brakes—both front and rear—ensure reliable stopping power. Riders will appreciate the solid feel and predictable handling that the M 100 delivers, thanks to its well-balanced chassis. The motorcycle's classic aesthetics, complemented by a clean and functional design, evoke a sense of nostalgia, appealing to collectors and enthusiasts alike. This blend of form and function positions the Adler M 100 as a unique entry in the annals of motorcycle history, representing a bygone era of craftsmanship and ingenuity. ###

Pros

    Cons

    • Lightweight and Agile: Weighing only 70 kg, the M 100 offers superb maneuverability, making it ideal for both city riding and twisty backroads.
    • Classic Two-Stroke Performance: The single-cylinder engine provides a thrilling ride with a distinctive power delivery that captivates vintage motorcycle enthusiasts.
    • Timeless Design: The elegant lines and classic styling of the M 100 make it a standout piece in any motorcycle collection.
    • Limited Speed and Power: With a top speed of 70 km/h, the M 100 may feel underpowered compared to modern motorcycles, limiting its use for long-distance travel.
    • Drum Brakes: While effective for their time, the drum brake system may not provide the same stopping power and responsiveness as contemporary disc brakes.
    • Simple Technology: The absence of modern features like electric start or advanced suspension may deter riders looking for contemporary conveniences.

    Technical details

    Source specification data

    Make
    Adler
    Model
    M 100
    Category
    Sport
    Gearbox
    3-speed
    Top Speed
    70.0 km/h (43.5 mph)
    Fuel System
    Carburettor
    Bore X Stroke
    50.0 x 50.0 mm (2.0 x 2.0 inches)
    Compression
    7.2:1
    Displacement
    100.00 ccm (6.10 cubic inches)
    Cooling System
    Air
    Engine Details
    Single cylinder, two-stroke
    Transmission Type Final Drive
    Chain
    Dry Weight
    70.0 kg (154.3 pounds)
    Seat
    Single
    Wheels
    Spoked
    Frame Type
    Doble cradle
    Rear Brakes
    Expanding brake (drum brake)
    Front Brakes
    Expanding brake (drum brake)
    Rear Brakes Diameter
    125 mm (4.9 inches)
    Front Brakes Diameter
    125 mm (4.9 inches)