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Rubber is also not needed. Leather and springs will do the job. https://onlinebicyclemuseum.co.uk/wp-content/uploads/2014/05/WW1-Germasn-Bicycle-Victoria-Sprin

by tokai 3y ago

Rubber is also not needed. Leather and springs will do the job. https://onlinebicyclemuseum.co.uk/wp-content/uploads/2014/05/WW1-Germasn-Bicycle-Victoria-Springwheel-091.jpg https://onlinebicyclemuseum.co.uk/wp-content/uploads/2014/05...