I'd clean the area up with something like this cleaning disc then a coating of this rust stabilization if I cared about the car and keeping long term or short term use cold galvanizing paint
@lynx started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
I'd clean the area up with something like this cleaning disc then a coating of this rust stabilization if I cared about the car and keeping long term or short term use cold galvanizing paint