4 Pack Bicycle Ball Bearing Retainers With 7 Balls Each, Steel Cages For Crank And Wheel Bearings, Outer 20.4mm Inner 12mm, Beefed Up Heavy Duty Hub Replacement

Premium 4 Pack Steel Bike Ball Bearing Retainers for Cranks and Hubs
✔️ 4 Pack 7 Ball Steel Cages 20.4mm OD 12mm ID Bike Hub Replacement

This handy 4 pack of steel ball bearing retainers works great for replacing worn parts in bike cranks and wheel hubs on regular rides.

✅ Steel material stays tough under daily use
✅ Holds 7 balls with 20.4mm outer 12mm inner size
✅ Fits crank and wheel spots on mountain bikes and cruisers
✅ Comes as a 4 pack ready for full hub swaps

💡 What are bicycle ball bearing retainers typically used for? These steel cages keep balls aligned inside hubs so wheels spin smooth. - They cut down on friction during long rides - Handy fix for old crank and wheel setups on many bike styles - Helps maintain steady performance after replacements