Shimano SM-BH59 Disc Brake Hose - 2000mm
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Merlin CyclesShimano Black Sm-Bh59 Disc Brake Hose - / 2000Mm
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Product Information
Full details
The Shimano SM-BH59 Disc Brake Hose is designed for mountain bike enthusiasts and mechanics looking to maintain or customize their Shimano hydraulic disc brake systems. Its primary benefit lies in its universal 2000mm length and cuttable design, which allows for a perfect custom fit on various frame sizes. While it is highly reliable and features a durable resin coating, users should note that it is specifically engineered for straight connect systems and may not be compatible with all high-pressure systems requiring different BH-type hoses.
All features
| Model Part Number | SMBH59JKL200 |
|---|---|
| Brand | Shimano |
Extended Product Information
FAQs
Can this hose be used on any Shimano brake system?
This hose is specifically for straight connect systems requiring the SM-BH59 standard. It is not compatible with systems that require SM-BH90 or other specialized hose types.
Do I need special tools to cut this hose?
Using a dedicated hydraulic hose cutter is recommended to ensure a clean, flush cut that prevents leaks and air ingress.
Is the hose pre-bled?
No, this is a replacement component and will require a full bleed after installation to remove air.
What is the primary difference between BH59 and BH90 hoses?
BH59 hoses typically have a larger internal diameter and are used for different pressure ranges than the high-performance BH90 series hoses.
Are the fittings included?
Yes, the hose includes two removable in-line fittings for easy installation.
Troubleshooting
Spongy brake lever feel after installation
Air is trapped in the line; perform a full hydraulic system bleed according to the Shimano service manual.
Leaking at the connection point
Ensure the olive is properly seated and the connecting bolt is torqued to the manufacturer's specifications.
Hose kinked during routing
If the kink is severe, the hose must be replaced to prevent internal blockages or pressure failure.
Pros and Cons
Pros
- Compatible with both J-Kit and standard brake systems
- Easily cuttable to custom lengths
- Durable resin coating for long-lasting use
- Generous 2000mm length accommodates most frame sizes
Cons
- Specific to straight connect hydraulic systems
- Requires proper bleeding tools for installation
- Not compatible with systems requiring SM-BH90 hoses
Setup, Compatibility & Care
To install, measure the required length from your brake lever to the caliper along your frame's routing path, then trim the hose using a dedicated hose cutter to ensure a clean, square end. The hose is designed for straight connection systems; ensure you are using the correct barbs and olives supplied with your brake set. After installation, a full system bleed is required to remove air bubbles and ensure optimal lever feel. Keep the hose free from harsh chemicals, and check periodically for signs of kinking or weeping near the fittings. Always use Shimano-approved mineral oil to maintain the integrity of the internal resin coating.