Progress Motorcycles of Germany

Featured Pages
Louis Coatalen, Designer
Singer 1912 WC 4-valve Racer

Jaroslav Koch
First Production Twin-Cam Engines
DOHC 500cc Praga BD

Vittorina Sambri
Italy's First Woman Champion
Moto Borgo

Progress (of Germany)

Progress of Charlottenburg built simple two-strokes in 1902 and possibly later. Source: Graces Guide

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Allen Motorcycle Museum
Private museum in Boston, MA, with many highly collectable vintage motorcycles for sale.