I've been 5 years on my Shimano hydraulic brakes. No maintenance, fluid change or even any bleeding. I just check the pads for wear.
I do agree with this....
Originally Posted by
maddog34
age of system, poor brake performance, you're bored and want to fiddle around with your bike.
all strong indicators.
I'm getting to the point where I want to fiddle around with my bike. And changing the fluid might be the thing to check. But it might still be put off till later.