Schwinn
Talbot
Righty right, here's the bb's pictured.
I guess my next step will be to simply get them taken apart and go from there; I'll post pictures of all the parts when I've managed to undo them and will check for deterioration.
So I'll need a C-spanner, something like this -
https://www.tredz.co.uk/.Ice-Toolz-B...ool_117914.htm , to remove both of them..
If it turns out that I need new BB's, For the Schwinn, what precise measurements do I need to make to see if the Shimano UN-55 will be a suitable replacement?
For the Talbot, is there a way of telling whether the threading is French or English?
I'm guessing this is the Velo-Orange BB I'd be looking for if it turns out to be french
://velo-orange.com/collections/bottom-brackets/products/grand-cru-bottom-brackets-hollow-axle-alloy-cups-1
If it turns out to be English, would the Shimano UN-55 be a suitable replacement?