How to tell when a hydraulic brake needs bleeding

Marjory Stewart BAxtor

What are the tell tale signs?

p.s, nick, cannot find any answers on parktools

supersonic

Spongey feeling, or the levers pumping up. But if you like the way they are feeling, just leave them!

Marjory Stewart BAxtor

supersonic wrote:

levers pumping up.

could you explain that a ibit pls?

supersonic

Sometimes, if ypu pull on the lever repeatedly, it starts to near the bar and gets progressively further away, a sign that their may be air in the lines.