Shimano TL-BR003 Funnel Unit for BL M5 Screw

Overview

The Shimano TL-BR003 is a specialized funnel tool designed for bleeding Shimano MTB hydraulic disc brake systems. Featuring an M5 threaded connection and integrated oil stopper, this tool enables safe, secure fluid replenishment during brake system maintenance on compatible Shimano MTB and trekking brakes.

Key Features

• M5 Thread Compatibility — Engineered specifically for Shimano MTB brake levers with M5 bleed port threads; ensures secure, leak-free connection during bleeding operations
• Integrated Oil Stopper — Built-in stopper prevents accidental fluid spillage and maintains system pressure; simplifies bleeding process and reduces mess
• Clear Funnel Design — Transparent funnel allows easy visibility of fluid level during replenishment; facilitates accurate fluid top-off and prevents overfilling
• Pedestal Support — Stable base keeps funnel upright and accessible during extended bleeding operations; improves safety and reduces accidental tipping
• One-Way Bleeding Compatible — Designed for Shimano's one-way bleeding method; streamlines maintenance workflow and reduces air introduction to hydraulic lines
• MTB and Trekking Brake Compatibility — Works with all hydraulic Shimano MTB and trekking disc brake systems using one-way bleeding
• Essential Maintenance Tool — Proper fluid replenishment requires appropriate tools; TL-BR003 ensures correct procedure and prevents contamination

Technical Specifications

• Tool type: Oil funnel with stopper
• Thread size: M5
• Compatibility: All Shimano MTB and trekking hydraulic disc brakes with one-way bleeding
• Brake lever compatibility: All BL- (brake lever) models with M5 bleed port
• Funnel material: Clear plastic
• Pedestal: Integrated support base
• Purpose: Brake system bleeding and fluid replenishment

Compatibility & Ideal Use Cases

Compatible exclusively with Shimano MTB and trekking hydraulic disc brake systems featuring M5 bleed port threads on brake levers. Not compatible with non-Shimano brakes, road disc brakes, or systems using alternative bleeding methods. Essential tool for riders performing brake system maintenance, fluid replenishment, or bleeding operations on compatible Shimano brakes. Required for proper one-way bleeding procedures on MTB and trekking disc brake systems. Highly recommended for any Shimano MTB brake owner performing routine maintenance or troubleshooting air in brake lines. Not suitable for BMX brakes or non-hydraulic brake systems. A worthwhile investment for riders maintaining their own brake systems and seeking to prevent fluid contamination and ensure proper bleeding procedures.