This tool adapter is designed to fit the SRAM S4 caliper with the Bleeding Edge port.
In 2017 SRAM introduced a new bleed port on some of their calipers which is a much improved design over the previous screw in bleed adapters.
The tool fits straight into the bleed port creating a seal and is then turned anti-clockwise and clockwise to open and close the bleed port. This method ensures there is no fluid released when the bleed port is opened.
The genuine SRAM S4 Bleeding Edge Tool’s retail for around £20 which we think is pretty expensive. Save yourself a few quid with out own version, which works just the same but is a much cheaper alternative.
You can purchase this item on it’s own here, or add it as part of our SRAM Bleed Kit.
You can check which caliper type you have via our guide – How to check if you need the new SRAM Bleeding Edge Tool