3 1/2 hp (1926) - Detail

Make

Model

Year

CC

Cylinder

3 1/2 hp

1926

350

1

Description

Arnold Grandjean, born in 1890 as son of a clockmaker, was a very talented bicycle racer. He became a professional racer in 1912 and soon started producing his own bicycles under the ?Allegro?name in Neufchatel, Switzerland. From 1923 on the firm also produced motorcycles. From the https://www.pdfreeu.com/
start this was very successful: many races were won with the ligt and agile twostrokes.
Allegros were equipped with sporty Villiers two stroke engines; the 1 ? HP touring model had a 147 cc engine, top speed 70 km/h. The 1 ? HP Supersport with 172 cc engine could reach 100 km/h . There were two 3 ? HP models with 342 cc engine, the touring model and the Supersport. The machine we can offer here is the Touring model
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