The Finish Line DOT 5.1 Brake Fluid - 4 oz bottle is designed for bicycle hydraulic disc brake systems requiring DOT 3, DOT 4, or DOT 5.1 fluid, giving riders and mechanics a clearly identified hydraulic brake fluid in a practical 4 oz bottle format.

It is based on Finish Line's product-specific formula or tool design for this maintenance task: low-viscosity DOT 5.1 formula engineered for consistent lever feel and fluid life. Use the exact product type, size, and compatibility notes to confirm it matches your bike, component, or service routine before ordering.

Key Features

• Exact Format: 4 oz bottle package for bicycle hydraulic disc brake systems requiring DOT 3, DOT 4, or DOT 5.1 fluid.
• Brake-System Formula: low-viscosity DOT 5.1 formula engineered for consistent lever feel and fluid life.
• Compatibility Focus: Intended for bicycle hydraulic disc brake systems requiring DOT 3, DOT 4, or DOT 5.1 fluid; always match brake fluid type to your brake manufacturer requirement.
• Service Use: Useful for brake bleeds, fluid replacement, and regular hydraulic brake maintenance.

Benefits

• Helps maintain consistent lever feel when the correct fluid type is used.
• Gives home and shop mechanics a clearly identified fluid size for the job.
• Reduces the risk of selecting the wrong brake-fluid family by naming the required system type.

Best For

• Bicycle hydraulic disc brake maintenance.
• Riders and mechanics replacing or bleeding compatible brake systems.

Specifications

• Brand: Finish Line
• Model: DOT 5.1 Brake Fluid
• Product Type: Hydraulic brake fluid
• Size: 4 oz bottle
• Compatibility: bicycle hydraulic disc brake systems requiring DOT 3, DOT 4, or DOT 5.1 fluid
• SKU: BI.13504
• Manufacturer Part Number: BD0040101
• UPC: 036121001213