koch chemie felgenreiniger k fk felgenreiniger sauer Sprühflasche Rotaries build more heat and

Rotaries build more heat and friction through their combined spin-and-travel motion — which fires up the B9

solvent-based tar remover

The Magic Wheel Cleaner is built precisely for one job: dissolving brake dust and flash rust chemically

A rotary will do the job too

koch chemie felgenreiniger k fk felgenreiniger sauer Sprühflasche Rotaries build more heat andThe heavy duty phosphoric acid wheel cleaner for any acid resistant material. It cuts through brake dust and other inorganic grime fast and gets it all out. Built in corrosion inhibitors keep your brake calipers from rusting. Works a treat in wheel washing machines too.