Shimano Hydraulic Disc Brake Hose - BH90 - 170cm - Rear
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eBayShimano XTR Hydraulic Disc Brake Hose BH90 M9000 M9020 Cuttable Rear
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Shimano SM-BH90 XTR/XT/SLX Cuttable Rear Disc Brake Hose - 170cm LengthFree delivery in 1–3 days£26.30Visit shop →
Shimano SM-BH90-SBM 1700mm Disc Brake Hose Kit XTR/XT/SLX New Color~Black Banjo£3.60 delivery£35.81Visit shop →
Product Information
Full details
This premium replacement hydraulic brake hose from Shimano is designed for cyclists seeking sharp and responsive braking performance, especially those using Shimano XTR M9000 / M9020 systems. Its stiff, reinforced construction handles pressure effectively, and the 2.1mm bore diameter ensures excellent feedback. While it offers superior performance, it requires specific tools for cutting and installation, and is primarily intended for rear brake applications.
All features
| Model Part Number | ISMBH90SBML170A |
|---|---|
| Brand | SHIMANO |
Extended Product Information
FAQs
What makes this hose 'premium'?
The hose features a stiff, reinforced construction with a resin coating, designed to maintain brake performance under pressure and provide a sharp, responsive feel compared to standard hoses.
Can I use this hose with any hydraulic disc brake system?
This hose is specifically engineered for Shimano XTR M9000 / M9020 systems. While it may fit other Shimano brakes, it's best to verify compatibility with your specific lever and caliper model.
Does this hose come with all the necessary fittings?
Yes, the hose comes complete with a cutting tool, olive, and insert, allowing for custom fitting.
Is the 170cm length suitable for all bikes?
The 170cm length is ideal for most rear brake setups. However, for bikes with particularly long chainstays or unique routing, you should measure your current hose length to ensure it is sufficient.
How do I cut the hose to the correct length?
Use the included cutting tool to make a clean, straight cut. A precise cut is crucial for ensuring a proper seal when installing the olive and insert.
What is the bore diameter of this hose?
The bore diameter is 2.1 mm, which is optimized for excellent brake performance and response.
Do I need to bleed my brakes after installing this hose?
Yes, after installing any new hydraulic brake hose, it is essential to bleed the brake system to remove any air and ensure optimal braking performance.
Troubleshooting
Brake lever feels spongy or lacks pressure.
The brake system likely needs to be bled. Air may have entered the system during installation. Refer to the Shimano service manual for your specific brake model for bleeding instructions.
Hose is difficult to cut cleanly.
Ensure you are using the provided cutting tool and that the blade is sharp. A clean, perpendicular cut is essential for a proper seal.
Leak at the fitting connection.
Re-check that the olive and insert are correctly installed and that the hose is cut squarely. Ensure the fitting is tightened to the manufacturer's recommended torque. The olive may need to be replaced if it was damaged during installation.
Braking performance is inconsistent.
Check for any kinks or damage to the hose. Ensure the brake system has been properly bled and the fluid level is correct. Verify compatibility with your brake components.
Pros and Cons
Pros
- Superior braking performance and responsiveness
- Durable and reinforced construction for reliability
- Designed for optimal compatibility with XTR systems
- Includes essential tools for installation and customization
Cons
- Requires specific tools for cutting and installation
- Primarily intended for rear brake applications
- May not be compatible with non-Shimano brake levers or calipers
- Can be more expensive than generic brake hoses
Setup, Compatibility & Care
Setup:
- Measure and Cut: Determine the required length for your brake setup. Use the included cutting tool to make a clean, perpendicular cut on the hose.
- Install Insert: Slide the metal insert into the end of the cut hose. Ensure it is fully seated.
- Attach Olive: Place the olive over the hose end, ensuring it is positioned correctly against the hose and insert.
- Connect to Lever/Caliper: Carefully thread the hose into your Shimano brake lever and/or caliper, ensuring the olive and insert are properly aligned and seated within the fitting. Tighten according to manufacturer specifications.
- Bleed Brakes: After installation, the brake system will need to be bled to remove air and ensure optimal performance.
Compatibility:
- Primarily designed for Shimano XTR M9000 / M9020 hydraulic disc brake systems.
- While it uses the BH90 standard, *always verify compatibility with your specific Shimano brake levers and calipers* before purchasing.
- Not recommended for use with non-Shimano brake components.
Care:
- Inspect the hose regularly for any signs of wear, damage, or leaks.
- Clean the hose with a mild soap and water solution if it becomes dirty. Avoid harsh solvents.
- Ensure fittings are kept clean to prevent contamination during installation or maintenance.