Hello Bradders welcome along.
You obviously have an f & as I guess you already know that providing the spheres are in good condition internally regasing is feasible.
It can be done in two ways, the drilling of the unit & welding on a bush for a shrader fitting, the second being to refill in the same way as when Dunlop made them originally.
Most folk go for the weld on way, I didn’t & had mine done as per original. As I haven’t fitted mine (they have waited quietly for over twelve months) so can’t comment on the outcome on this system, however the weld on outcome seems to be satisfactory.
Telford is the hot bed for the weld job, Stockport for the original system.
Resolve your refill system before stripping stuff down.
M

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