I watched a documentary about Raleigh Bicycles last night and its founder, Frank Bowden, later to be known as Sir Frank Bowden, 1st Baronet, apparently 'made a fortune in property delelopment in Hong Kong in the 1870's':
https://en.wikipedia.org/wiki/Sir_Frank_Bowden,_1st_Baronet
He presumably must have been quite a well-known figure in Hong Kong at the time - has any Gwulo researcher come across him?
Bowden-Raleigh bicycles
Try
https://industrialhistoryhk.org/frank-bowden-raleigh-cycles/