BH90 Brake Olive and Barb - Brass and Steel Insert Kit for Shimano Mountain Bike

Simply look up your model number to identify whether you need the BH59 or BH90 hose insert. Lever Calliper BH90. This is a single use item as the brass olive will deform after use.once the length of the hydraulic hose is changed, a new set of joints and olives must be replaced to prevent leakage.

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