Bike Ball Crank Bearing Stainless Steel 1/4 inch x 9 Balls Bike Crank 4Pcs Replacement Mountain Bike Parts Repair Accessories for Bicycle Crank Bottom Bracket

【Product Size】Bearing dimensions: outer diameter of 29mm or 1.14 inches, inner diameter of 18.2mm or 0.72 inches, and a ball diameter of 1/4 inch., 【Product Material】This bearing is constructed from high-quality 304 stainless steel, features a smooth ball that is resistant to rust and wear, ensuring durability., 【Bike Accessories】This stainless steel ball bearing is securely fitted within the retainer and serves as a bicycle component specifically designed to replace the crank bearing., 【Applications】Suitable for replacing bicycle crank bearings across various bike types, including mountain bikes, low-speed bikes, and more., 【Package Contents】 2PCS of bike wheel ball frame bearings.