Finish Line Mineral Oil Brake Fluid - 120ml
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Product Information
Full details
Finish Line Mineral Oil Brake Fluid is an essential maintenance product for mountain bikers who utilize hydraulic disc brake systems requiring mineral oil. Engineered for consistent lever response and system durability, this fluid excels in preventing overheating and foaming during intense rides. While it offers superior reliability in varied weather conditions, it is important to note that this fluid is exclusively for mineral oil-based systems and is not compatible with DOT fluid brakes.
All features
| Model Part Number | QPBFM046 |
|---|---|
| Brand | Finish Line |
Extended Product Information
FAQs
Can I use this with SRAM brakes?
No. Most SRAM hydraulic brakes require DOT 5.1 or DOT 4 fluid. Check your brake lever reservoir cap for the specific fluid requirement.
Is this safe for carbon fiber components?
Yes, mineral oil is generally non-corrosive and safe to use around carbon fiber frame parts, unlike harsh DOT fluids.
How often should I change my brake fluid?
It is recommended to flush and replace your brake fluid at least once a year, or sooner if you ride in very wet or muddy conditions.
Can I mix this with other brands of mineral oil?
While it is generally compatible, it is best practice to perform a full flush to ensure system purity and optimal performance.
What should I do if I spill oil on my brake pads?
Brake pads are porous and absorb oil. If they are contaminated, they must be replaced as they cannot be cleaned effectively.
Troubleshooting
Brake lever feels spongy after a bleed
There is likely trapped air in the line. Repeat the bleed process, ensuring you tap the brake lines to dislodge air bubbles.
Brakes are squealing
Oil likely contaminated the brake pads. Clean the rotor with isopropyl alcohol and replace the brake pads.
Pros and Cons
Pros
- Compatible with all major mineral oil-based hydraulic disc brakes
- Prevents internal component corrosion
- Maintains viscosity even under extreme heat
- Used by professional racing teams for race-day reliability
Cons
- Not compatible with DOT fluid braking systems
- Requires specific bleeding tools for proper installation
- Can be messy if not handled with a syringe kit
Setup, Compatibility & Care
To use this fluid, you must perform a standard brake bleed procedure using a compatible bleed kit for your specific brake brand (e.g., Shimano, Magura, or Tektro).
- Ensure your brake system is strictly designed for Mineral Oil; using this in a DOT-based system will destroy the seals.
- Use a clean syringe and bleed blocks to flush old fluid from the system.
- Top off with fresh Finish Line Mineral Oil until no air bubbles emerge from the bleed port.
- Wipe away any excess fluid from the rotor or pads immediately using isopropyl alcohol, as mineral oil contamination will ruin braking performance.
Store the bottle in a cool, dry place with the cap tightly sealed to prevent moisture absorption.