P6 Level Bicycle Bearing Z1 V1 16011 RS Deep Groove Ball Bearing is an efficiently designed bearing that is perfect for use in bicycles. Made from high-quality materials and manufactured in our factory, this product offers superior durability and reliability. With a P6 level precision and Z1 V1 grade, they ensure smooth and noiseless operation. Designed with a deep groove, the ball bearing is highly effective in distributing loads evenly, providing greater stability and longer lifespan. The 16011 RS model features a rubber seal to protect against contamination and maintain lubrication for smoother performance. Our factory produces these bearings to the highest standards, ensuring the best quality and performance every time.