It won't harm your frame and it is much better for the environment than alternatives, plus it's always good to go back to your roots and connect with your bike after a long ride. We all know how long it's been since changing your brake cables and recharging your hydraulic fluid, and this Hydraulic Mineral Oil will be the refresh your disc brakes need if your fluid becomes contaminated.
Mineral oil for Shimano hydraulic disc brakes
500mL bottle for post-ride maintenance
Experience lasting braking power between bleeds
Better for your skin, your frame, and the environment vs. DOT fluid