12 Professional Adapters - The brake bleed kit fit SHIMANO, TEKTRO, MAGURA act mainstream mineral oil hydraulic brake system, fully meet brake bleed needs of mountain bikes and road bikes, suitable for the vast majority of models on the market 120ml Premium Brake Oil- The mineral oil has excellent low-temperature fluidity & stability, ensuring instant braking response in a variety of climates and terrains. Portable vial package, convenient to carry with bike. please tighten it promptly after use to prevent leakage (Note: NOT FOR DOT) Transparent Funnel - During bike brake bleeding, the transparent funnel allows you to clearly see the position of the fluid and the air bubbles produced for venting. EASY BRAKE BLEEDING - The Shimano bleed kit adopts user-friendly design with illustrated and detailed instructions and QR code video tutorials, even novice can complete the operation easily. If you encounter any technical problems, feel free to contact our customer service team for support. No Worry Maintenance - Our brake bleeder kit comes with 2 x 60ml portable mineral oil, 2 precision syringes, spill-proof funnel and multi-specification adapters (with 3 types of pistons), which fully meets the brake maintenance needs of mountain bikes/road bikes. All the components are professionally designed to ensure precise and efficient operation. High Quality and Professional bike Hydraulic Disc Brake Bleed kit