I can remember a few motor cycle dealers from late 50's, early 60's was usually on a visit with my dad getting spares for his or his mates bikes. C&D Autos just out of Acocks Green, near Dolphin pub. Vale Onslow. I think there may have been a dealer near Robinhood Island, Hall Green. Cant remember getting spares form there though.
Dad had a BSA V twin, 1000cc, it was an old AA patrol bike originally, dad bought it in the 50's off a man that put a child adult sidecar on it and towed a small caravan. Dad also had a later 1950's BSA 650, but I cant remember the model.
One particular memory I have is dad going to fix his mates bike after his mate had got his fingers caught in the drive chain. His mate lost the end of one finger and half of another.