Maintenance blocks to clean and lubricate the pistons separately for the 4-piston brake calipers from Shimano. Suitable for M6120, M7120, M8120 and M9120.

The maintenance blocks are available in versions 1 & 2 (left and right recess), you need them both to clean all pistons separately.

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The author marked this model as their own original creation.

Maintenance blocks for Shimano 4-piston brake caliber

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