Bicycle hydraulic brake bleed block 3d model is important part in your case if you have a hydraulic bicycle brakes. With Brake Bleed Block you can easy replace the oil of your bicycle brakes. This part is designed for not dirty the brake discs and still the brake disk clean when you replace the oil. Additionally with this part you can easy replace your brakes to a new brakes system. Small but must have tool, easy to print and use. Can be printed in different colours. The model can be printed with PLA, ABS, or any printable material. Printed and tested.