Shimano SM-BH90-JKS High Pressure Disc Brake Hose Kit

Shimano SM-BH90-JKS High Pressure Disc Brake Hose Kit Shimano

Shimano SM-BH90-JKS High Pressure Disc Brake Hose Kit

Shimano SM-BH90-JKS High Pressure Disc Brake Hose Kit

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What Is the Shimano SM-BH90-JKS High Pressure Brake Hose Kit For?

The Shimano SM-BH90-JKS is the high-pressure hydraulic brake hose kit for XTR and Dura-Ace disc brake systems that use the BH90 hose specification, a higher-pressure rated hose than the BH59 used in mid-tier Shimano systems. The kit format includes the hose and the required J-Kit fittings (olive and insert) pre-assembled, so a complete hose replacement requires no additional hardware sourcing. The BH90 spec delivers more precise hydraulic feel and is specified for flagship-level Shimano brake systems where the tighter feel and higher pressure resistance of the BH90 hose is part of the system design.

Compatible with Shimano XTR and Dura-Ace hydraulic disc brake systems using BH90 hose specification. Mineral oil system. Includes hose and J-Kit fitting hardware. Not compatible with BH59 systems. Hose installation requires proper bleed procedure and appropriate tools.

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Specifications

  • Model: SM-BH90-JKS
  • Hose Spec: BH90 (high pressure)
  • Kit Contents: Hose and J-Kit fittings (olive and insert)
  • Fluid: Shimano mineral oil
  • Compatible Systems: Shimano XTR and Dura-Ace hydraulic disc brakes (BH90)
  • Not Compatible With: BH59 brake hose systems

FAQ

How do I know if my brakes use BH90 or BH59 hose?

Check the hose itself -- BH90 is marked on the hose body. BH90 is used on XTR M9000/M9100 and Dura-Ace road disc brake systems. BH59 is used on XT, SLX, Deore, and mid-tier road disc systems. Consult your brake's product page or service manual to confirm.

What tools are needed to install a BH90 brake hose?

You need a hose cutter, olive push tool (or pliers with an insert), bleed kit with syringe, and Shimano mineral oil. A proper bleed is required after any hose replacement.

Can I use BH90 hose on a BH59-spec brake system?

No. BH90 and BH59 use different fitting hardware and are not interchangeable. Use only the hose spec specified for your brake system.

Best For

Mechanics and riders replacing the hydraulic brake hose on Shimano XTR or Dura-Ace disc brake systems that specify the BH90 high-pressure hose standard.

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