Product size: Each ball bearing cage contains 27 balls, with an outer diameter of about 50 mm and a ball diameter of about 3.97 mm (5/32 inches). Manual measurements, please allow slight errors.
Applicability: This product is suitable for 1.5-inch enlarged bowl sets, and is also widely used in mountain bikes, children's bicycles, low-profile bicycles, children's bicycles, and stretch bicycles.
Product material: This product is specially designed and made of metal material, with a long service life and not easy to damage.
Easy to install: Direct replacement without adjustment, perfect compatibility and high reliability.
Product list: Product include a total of 4pcs Bicycles Balls Bearing, which can completely meet your daily use needs and replacement.