I'm looking for some new brushes for bike painting and engine cleaning.
For over twenty years I bought mine from a local shop (I/C Discounts) that closed last year.
They would have brushes suitable for applying cleaning solvents including petrol, brake cleaner, water based degreasers. They sold a variety of small paint brushes that were cheap enough to bin after a few uses.
I don't have the time to find anything local so looking for tips - links to internet sellers etc.