Shimano Disc Brake Fluid Mineral Oil
Handy 1 litre container of Shimano hydraulic mineral oil formulated for the proper maintenance of Shimano hydraulic disc brakes - Shimano recommends that you only use genuine Shimano hydraulic mineral oil in Shimano hydraulic disc brake systems. Mineral oil brake fluid is environmentally friendly and non-corrosive.
Tried finish line bcuz this was not at lbs. Big mistake. Brakes were spongy. Put this in and finger tip brake lock.
This brake fluid works well, and the large size ensures that it will last for many brake bleeds (if you only have one bike like me, its probably a lifetime supply)