Shimano SM-BH90 brake hose olive and insert

The SM-BH90 Y8JA98020 olive and insert from Shimano is an original equipment connection kit designed for Shimano BH90 hydraulic hoses. Essential when shortening or replacing a brake hose, it ensures a perfectly sealed connection between the hose and the brake lever or caliper. This kit includes a compression ferrule and a barb, two single-use components recommended by Shimano for every service carried out on the hydraulic system.

Compatible with Shimano ’ SM-BH90 hoses, this kit is used on many road, gravel and MTB brakes from the Deore, SLX, XT, XTR, GRX, 105, Ultegra and Dura-Ace ranges. The special BH90 insert ensures a proper seal and optimal maintenance of hydraulic pressure.

Key features

• Genuine part Shimano
• Manufacturer’s part number: Y8JA98020
• Includes 1 hose end and 1 insert
• Compatible with hoses Shimano SM-BH90
• Ensures a reliable, leak-proof connection
• Recommended whenever a hose is cut
• Suitable for road, gravel, mountain bikes and e-MTBs Shimano
• Simple to fit with the right tools

FAQ

What are the SM-BH90 ‘ Shimano ’ ferrule and insert used for?

They are used to connect the hydraulic hose to the lever or caliper whilst ensuring the brake system remains leak-free.

Can an old grommet be reused?

No. Shimano recommends always replacing the hose end after removal, as it becomes deformed when tightened.

Is this kit compatible with BH59 hoses?

No. The O-ring is similar, but the insert is specific to the internal diameter of BH90 hoses. It is important to use the correct insert for the relevant hose.

Is it compatible with Shimano J-Kit systems?

Yes, the Y8JA98020 kit is compatible with several configurations— Shimano, BH90 and J-Kit systems.

When should this fitting be replaced?

Whenever a hose is shortened, replaced or removed from the lever or caliper, to ensure a perfect seal.