"【Product Specifications】The crank bearing has an outer diameter of 1.15 inches (29mm), an inner diameter of 0.7 inches (18.4mm), and a ball diameter of 1/4 inch (6.3mm). Ensure compatibility with your bike by measuring these dimensions before purchasing.
【High-Quality Materials】Made from high-quality steel, these ball bearing retainers offer excellent durability, strength, and long-lasting performance for your bike's crank system.
【Crank Bearing Replacement】Perfect for replacing worn or damaged crank bearings on a variety of bicycles, these ball bearings help maintain smooth, efficient bike operation.
【Multi-Functional and Practical】The package includes 6 pieces of crank bearings (1/4 inch ball size x 9 balls). With one set for immediate replacement and other two for backup, you'll always have a spare when needed.
【Package Includes】These ball bearings are suitable for a range of bicycles, including mountain bikes, road bikes, and low-speed bikes, making them a versatile option for bike maintenance and repairs"