2pairs Motorcycle Electric Vnehicle Disc Brake Upper Pump Oil Mirror(12mm)

1. Universal and easy to install.
2. This is a replacement for your main brake reservoir sight glass.
3. Comes with a proper gasket to seal the brake fluid.
4. Made of high-quality materials, wear-resistant, anti-aging, anti-corrosion, long service life.
5. Product size: 12 x 12 x 4mm