Lot 261: 1957 Mondial 250 Bialbero


February 18, 2017
1 Western Gateway, United Kingdom

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Description: 1957 Mondial 250 Bialbero

Reg. Number: Unregistered
Chassis Number: 132
Year: 1957
Make: Mondial
Model: 250 Bialbero

Fratelli Boselli (the FB in FB-Mondial) was established between the wars by Count Guiseppe Boselli and his three brothers. The firm produced 3-wheeler cars up until 1939, but although bombing destroyed their premises during the war, they quickly rose from the ashes.

Mondial’s success in World Championship Grand Prix racing during the 1950s is well documented. With engines designed by Alfonso Drusiani, the small Milanese firm’s 125cc Bialberos won every Grand Prix race for three consecutive seasons, and in the process took the 125 World title from 1949 to 1951 inclusive.

With Drusiani’s help – he’d returned to Mondial after a brief absence – a new 250 single-cylinder DOHC engine was developed in 1956. Following two wins, a 2nd, two 3rds and a 4th, the 1957 250cc World Championship was won by Cecil Sandford riding a Mondial 250 GP Bialbero, and he was followed by Mondial’s Tarquinio Provini in 2nd and Sammy Miller in 3rd . Along with Gilera and Moto Guzzi, Mondial withdrew from GP racing after the end of the ’57 season.

This rare piece of Italian racing exotica has a twin-spark engine with multiple gears to the overhead cams, oval frame tubes and magnesium Oldani brakes. It competed in some international events in the late 1950s and it was restored during the 1990s. It has resided in the same collection for the past 16 years, and it comes with Boselli/Mondial provenance documentation.
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The Carole Nash MCN London Motorcycle Show

February 18, 2017, 3:00 PM GMT

1 Western Gateway, United Kingdom

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