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Bleeding the Rockshox Reverb Seat Post - we show you how it's done!

The RockShox Reverb is considered one of the most reliable seat posts on the market. However, due to falls or improper installation, air may enter the hydraulic system and affect the function of the lowerable seat post. We'll show you how to bleed your Reverb and what you should consider when doint it.

Some useful advice in advance

  1. Be sure to use the correct hydraulic oil from RockShox. Incorrect use of other mineral oils or brake fluid can cause your seat post to be damaged.
  2. Pay attention to cleanliness when bleeding. Dirt in the hydraulic system of your line can permanently damage your seat post.
  3. We recommend using an original RockShox bleeding kit. This is the only way to guarantee a properly sealed system when bleeding and that there's no more air left in the pipe after bleeding.

You have read that? Then we can now start with the bleeding!

1. Preparation

Working steps:

  1. Bring the master brake cylinder (brake lever) to a horizontal position.
  2. Adjust the pressure point of your brake to "soft" by unscrewing the adjusting screw as far as possible.
  3. Adjust the free-stroke of your brake as much as possible by unscrewing the free-stroke screw as far as possible.

2. Bleeding process

Working steps (each for the front and rear brake):

  1. Remove the screw plug on the master brake cylinder. Here you can now check the condition of your sealing ring.
  2. (Carefully) screw the expansion tank on the brake cylinder and remove the vent plug.
  3. Fill your bleeding injectior with brake fluid and allow it to rest so that the mineral oil can degas.
  4. Place the injector on the bleed nipple and open the bleed screw.
  5. Press the new oil (with patience) into the brake system until the expansion tank is filled with the old brake fluid.
  6. Close the bleed nipple and put the dust cap on top.
  7. Turn the adjusting screws (pressure point, free-stroke) back to their original position.
  8. Insert the vent plug into the expansion tank and remove it.
  9. Close the master brake cylinder by hand tightening the screw plug.
  10. Clean the brake system and return the master brake cylinder to its original position.

3. Function check / brake test

Before hitting the trail, you MUST check your brake for proper function.

If your brake doesn't work as desired, first theck the brake disc / brake pads for cleanliness. Maybe some oil dripped on it during bleeding? In this case, you must thoroughly egrease and clean the parts with brake cleaner. If your brake pads are heavily oiled, replace them with new ones. If no oil has gotten onto your components, repeat the bleeding process again.

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