SHIMANO SM-BH90 Disc Brake Hose - 1700mm - Black
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Product Information
Full details
The SHIMANO SM-BH90 Disc Brake Hose is an essential replacement component for cyclists looking to maintain high-performance hydraulic braking in their Shimano mountain bike systems. Designed specifically for compatibility with the XT M8020 caliper using a long banjo fitting, it offers riders consistent lever feel and reliable stopping power. While it provides excellent durability, users must ensure their specific brake system requires the SM-BH90 standard, as it is not universally interchangeable with other Shimano hose series.
All features
| Model Part Number | SM-BH90 |
|---|---|
| Brand | SHIMANO |
Extended Product Information
FAQs
Can I cut the SHIMANO SM-BH90 hose to a shorter length?
Yes, the hose can be cut to fit your frame. You will need a proper hose cutter and a new Shimano olive and insert set for the reconnection.
Is this hose compatible with older Shimano non-series brakes?
The SM-BH90 is designed for specific high-performance systems. Check your caliper documentation to confirm compatibility, as some older models use the SM-BH59 hose standard.
What tools do I need for installation?
You will need a hose cutter, a needle/barb driver for inserting the barb into the hose, an 8mm wrench for the banjo bolt, and a Shimano bleed kit.
Does this come with new olives and barbs?
Typically, you should check the product packaging; if they are not included, it is recommended to purchase a fresh SM-BH90 connection kit to ensure a leak-free seal.
What type of fluid should I use with this hose?
You must use Shimano genuine mineral oil. Never use DOT fluid, as it will destroy the seals inside the system.
Troubleshooting
Spongy brake lever feel after installation
The system likely contains trapped air; perform a thorough brake bleed using the correct Shimano funnel and mineral oil.
Fluid leaking at the banjo connection
Check that the olive and insert were properly seated and that the banjo bolt is torqued to the manufacturer's specified tension.
Pros and Cons
Pros
- Ensures precise hydraulic pressure management
- High-quality construction for long-term reliability
- Compatible with high-performance XT M8020 brake systems
- Ample 1700mm length for versatile bike sizing
Cons
- Requires specialized hydraulic fluid and bleeding tools
- Not compatible with all Shimano brake calipers
- Installation can be complex for inexperienced mechanics
Setup, Compatibility & Care
Installation requires basic bike maintenance tools, including a hose cutter, barb insertion tool, and a Shimano bleed kit. Ensure you use the correct Shimano mineral oil during the bleeding process, as other fluids can damage the internal seals. Compatibility is critical; the SM-BH90 is designed for high-power systems. Always check your specific caliper model before purchase to confirm the banjo bolt requirements. Regularly inspect the hose for kinks, punctures, or signs of weeping fluid, especially near the connection points, to maintain optimal safety.