This is an OTK rubber piston seal specifically designed for the BSZ brake master cylinder. It has dimensions of 16mm x 9mm, ensuring a perfect fit and reliable performance for your braking system.

Using this piston seal is easy. First, make sure your BSZ brake master cylinder is clean. Then, carefully place the 16mm x 9mm piston seal into the cylinder. When installing, be gentle to avoid damaging the seal. For safety, always check the seal regularly. If you notice any signs of wear or damage, replace it right away. To maintain it, keep it in a dry and clean place when not in use. This will help extend its lifespan and keep your braking system working well.