Originally Posted by
oldveloman
Very nice find, Peter!
Sunbeam was part of BSA until Raleigh took over BSA in 1957, so you' ll need a shifter like this one - introduced in 1948.
Peter
Hoop Rider in Owen sound have one for sale
https://www.hoopriderparts.com/produ...-speed-shifter
I've dealt with them in the past and was very pleased.