🚴♀️ Elevate Your Ride with Precision Bearings! Designed for a variety of bikes, ensuring compatibility with mountain, kids, and lowrider bikes. Quick and hassle-free installation to get you back on the road in no time. Experience seamless rides with high-quality stainless steel ball bearings. Crafted from durable materials for long-lasting performance and reliability. Your purchase is protected, with responsive customer support ready to assist you. Precise Dimensions Durable Steel Universal Fit The Jaceyon 5/16" Ball Bearings are a set of four high-quality stainless steel replacements designed for bicycle crank and bottom bracket applications. With precise dimensions and robust construction, these bearings ensure smooth performance across various bike types, making them an essential upgrade for any cycling enthusiast.