With a new formula of active agents and colour indicator. For gentle and intensive cleaning of aluminium rims and rims made of steel from brake abrasion and other types of sailing Due to gel-like consistency, the product also adheres to vertical surfaces and guarantees an optimal cleaning capacity: The soiling is penetrated and dissolved quickly and effectively. The cleaning process can be controlled visually by change of colour and reaches its optimum when the cleaner on the wheel can changes its colour (to voilet). As the PH-value of the product is slightly alkaline, even sensitive aluminium rims, chrome as well as wheel nuts are not affected (acid-free). it meets the requirements of the detergent and cleansing agent regulations.