STAR UNION BYGJ Hydraulic Disc Brake Bleed Kit
STAR UNION BYGJ Hydraulic Disc Brake Bleed Kit
Hydraulic brake bleed kit designed for STAR UNION 2-piston and 4-piston hydraulic disc brake systems.
Suitable for removing trapped air, replacing mineral oil, and servicing hydraulic brakes after hose replacement or adjustment.
Ideal for eBike maintenance, home repairs, and bicycle workshops. Check the brake bleed port and connector type before use. Brake fluid is not included.