Description:
Upgrade your bike with the 5Pcs Bike Ball Bearing Retainer Replacement. Made with high-quality steel, these durable and high-intensity ball bearings are designed to replace the crank bearings of your bicycle. With their stainless steel ball inlaid retainer design, they offer exceptional performance and reliability.

Features:
• Enhanced Performance: The steel ball bearings ensure smooth and efficient rotation, providing an enhanced riding experience.
• Durable Construction: Made from high-quality steel, these ball bearings are built to withstand the rigors of mountain biking and other demanding terrains.
• Easy Replacement: With their precise dimensions, these ball bearings are a perfect fit for mountain bikes, children's bicycles, and stretch bicycles.
• Versatile Usage: Suitable for bike cranks, these ball bearings are a versatile replacement part for various bike models.

Specifications:
• Material: Steel
• Ball Diameter: 1/4 inch/6mm
• Inner Diameter: 1.14 inch/29mm
• External Diameter: 0.7 inch/18.4mm
• Number of Balls: 9

Package List:
• 5 x Bike Ball Bearing Retainer Replacement

Note:
Please ensure you measure the size and confirm compatibility with your bicycle before making a purchase. Upgrade your bike's performance with these high-quality ball bearings and enjoy a smoother and more efficient ride.