Star Union Hydraulic Disc Brake Bleed Kit, Brake Fluid Bleeding Tool Set for Bicycle Hydraulic Disc Brakes

$19.90
$19.90 $29.90
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Key Feature:

1. Wide Hydraulic Brake Compatibility – Designed for STAR UNION 2-piston and 4-piston hydraulic disc brakes and compatible with select Lectric, Super73, and other systems using matching bleed ports.
2. Complete Bleeding Tool Kit – Includes an oil injector, transparent hoses, 10 connectors, 2 bleed blocks, funnel plug, 2mm and 5mm hex wrenches, gloves, and a storage case.
3. Precision Metal Connectors – CNC-machined connectors provide a secure fit and help reduce leaks during brake bleeding and fluid replacement.
4. Easy-to-Use Oil Injector – Ergonomic injector design with a quick-release hose connection makes filling, bleeding, and routine maintenance easier.
5. Organized Storage Case – Keeps small connectors, tools, hoses, and accessories together for home workshops, bike shops, or travel.
6. For Routine Brake Maintenance – Suitable for hydraulic brake bleeding, fluid replacement, hose service, and brake system maintenance. Brake fluid is not included.

🚚 Ships from Our California Warehouse · 3–6 Day U.S. Delivery
🛡️ 1-Year Product Warranty · 30-Day Returns
💬 Fast Compatibility Support · Reply Within 8 Hours
Product description

STAR UNION BYGJ HYDRAULIC BIKE BRAKE BLEED KIT

The STAR UNION BYGJ Brake Bleed Kit is designed for routine maintenance of bicycle and e-bike hydraulic disc brakes. With multiple precision connectors, an oil injector, transparent hoses, bleed blocks, and essential hand tools, it provides the equipment needed for brake bleeding, fluid replacement, and hydraulic brake service.

CHECK COMPATIBILITY

Please compare your brake bleed port and connector type before ordering. Compatibility may vary by brake model and production year.

Always use the brake fluid recommended by your brake manufacturer. Do not mix different brake fluid types.

Specifications

Item Specification
Product Name Hydraulic Disc Brake Bleed Kit
Application Hydraulic Disc Brake Maintenance
Compatible Brake Systems Star Union Hydraulic Disc Brakes
Caliper Compatibility 2-Piston & 4-Piston
Material Metal + Plastic
Storage Case Included
Brake Fluid Not Included

WHAT’S INCLUDED

• 1 × Oil Injector
• 2 × Transparent Hoses
• 10 × Bleed Connectors
• 2 × Bleed Blocks
• 1 × Funnel Plug Set
• 1 × 2mm Hex Wrench
• 1 × 5mm Hex Wrench
• 1 × Pair of Gloves
• 1 × Storage Case

NOT INCLUDED

• Brake Fluid / Mineral Oil / DOT Fluid
• Brake Pads, Brake Hose, Calipers or Brake Levers

PRODUCT DETAILS

Model: BYGJ
Product Type: Hydraulic Bike Brake Bleed Kit
Compatibility: 2-Piston / 4-Piston Hydraulic Disc Brakes
Color: Yellow

FAQ

Does it include brake fluid?
No. Brake fluid is not included.

Does it work with Lectric and Super73?
It fits select models. Please check the bleed port and connector type before ordering.


Shipping & Return

Most U.S. orders ship from our U.S. warehouse and are usually delivered within 3–6 days.

Orders to other countries, out-of-stock items, and customized products may ship from China and are usually delivered within approximately 14 days.

We want you to be completely satisfied with your purchase. If you have any questions, concerns, or complaints, please contact our online support team or email us at grt@star-union.net. We will respond within 8 hours.

Items can be returned or exchanged within 30 days of delivery. Please contact us before returning an item so we can help you with the next steps.