Diy 4-Bremskolben Tool

Hello everyone,

Who hasn't experienced this... with a 4-piston brake, one piston hangs or they all come out at different distances and the fiddling starts...

I'm selling an extremely helpful tool that a friend of mine has milled:

The 4-piston tool allows you to mobilize one piston on a 4-piston brake caliper while the other three pistons remain pushed back. By simply repositioning the tool, you can clean the sliding surfaces of all 4 pistons one after the other or mobilize individual brake pistons that are stuck. Accidental pressing out is not possible due to the exact dimensions.

The tool can also be used as a bleed block by simply clamping it with a rubber ring (in the middle position) and pushing the pistons back in.

The 4-piston tool fits all 4-piston brakes from SRAM and Shimano and some other manufacturers. With hanging hole.

Material: Highly flexible plastic - therefore no damage to the sensitive piston surfaces!

If you have any questions - ask!


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The sale takes place under exclusion of any liability for material defects. The object of purchase is sold under exclusion of any warranty. The exclusion does not apply to claims for damages arising from grossly negligent or intentional breach of obligations by the seller or for any injury to life, limb or health. Do not buy if you do not agree with these rules.