After winter, opened the garage and saw rear wheel wet from brake fluid. It has started dripping from somewhere, but very slowly. Brake fluid level is at minimum (it was almost top full), but it hasn't all leaked out.
The brake pedal is firm and feels and brakes OK. However, the fluid did leak during winter. I washed the bike and hopefully I will be able to see where the leak is from in the morning. Today I couldn't tell where it leaked from. Disc seems dry, no brake fluid on the disc, but the rear calliper is below the disc anyway.
Any tips? I'm guessing brake calliper seals are busted. Has anyone had similar problems?