4 Pack 31Mm Outer Diameter 22Mm Inner Diameter Ball Bearing Cages For Bicycle Crank And Wheel Axle Retainers With Nine Balls Durable Steel Bearings Replacement Kit

Four-pack 31mm OD 22mm ID bicycle ball bearing cages
✔️ 4 pcs ball bearing cages with 9 balls; OD 31mm, ID 22mm, steel

The four bearing cages are made from steel and include 4 retainers with 9 balls each, designed for 22mm inner-diameter components. They’re ideal as replacements for bicycle crank bearings and work across various bike types, including road, mountain, lowrider, and stretch bikes.

✅ Outer diameter 31mm (1.22"), inner diameter 22mm (0.87"), 9-ball cage, steel
✅ Includes 4 x ball bearing retainers
✅ Durable steel construction for long life and reliable performance
✅ Suitable for 22mm inner-diameter head parts and crank bearing replacement on bikes

💡 What is a bicycle crank bearing cage used for and how do I tell if it fits a 22mm crank? This handy part keeps bearings aligned and rotates smoothly. - It fits 22mm inner-diameter components and 31mm outer-diameter cages - Made from steel with 9 balls for durability and smooth operation - A common replacement part for road, mountain, and cruiser bikes