Hayes Disc Brake Bleed Kit
The Hayes Disc Brake Bleed Kit is used to bleed Hayes hydraulic disc brakes.
Save your money and buy the pro version of this kit is much better
hayes has a video to help you bleed the hydro brakes yourself. It wasn't as easy as i wanted it to be on my first try, but i got it down and the second attempt went smooth. great price, manf. authentic parts.