1928 BMW R57 Serial number 29 200 Frame 70386 Engine 70389 2159 km on the odometer German registration 1000 produced from 1928 to 1935 500 cm3 tumbled 60 000 / 100 000 € 3-speed gearbox with shaft-mounted rear brakes Double tubular cradle frame with a new Bosch system that includes a generator for the wiring harness A new 2-disc clutch for greater strength when hitched. 200-mm front brake This is the customer competition version of the time. The bike has been restored It is fitted with a "Deuta" watch and all Bosch electrical equipment.

Composed of several subsidiaries, the Drouot Group is a major player in the art market. Hôtel Drouot, located in the heart of Paris, has been the world's largest public auction center since 1852. 15 salerooms are available to more than 70 auction houses. The emulation generated by an annual offer of 230,000 artworks from 21 major specialities - from Antiquity to street art - attracts some 3,000 visitors every day. The Group's digital platform, Drouot.com, offers digital sales - Live auctions (live broadcasting and participation in auctions), Online-only auctions (dematerialised auctions) and Buy Now sales (sales of lots at fixed prices). Nearly 2 million items are offered annually by 600 auction houses. Auction news is reported every week in La Gazette Drouot, the leading weekly magazine for the art market and culture published by Auctionspress.