Four Piece Bike Ball Bearing Retainer Set One Quarter Inch Outer 29mm Inner 18mm Ball 6.35mm For Crank Bearings And Rear Wheel Replacement For Mountain And Kids Bicycles

Four Piece Bike Ball Bearing Retainer Set: 29mm outer, 18mm inner ✔️ 4Pcs, outer 29mm(1.14"), inner 18mm(0.70"), ball 6.35mm(0.25"), steel

The Bike Ball Bearing Retainer is a steel replacement part designed to keep bearings in place within the crank area and bottom bracket, and is suitable for mountain bikes and kids' bicycles. It helps maintain smooth operation and extend bike life. It's a budget-friendly option for DIY maintenance and quick replacements.

✅ Material: Steel
✅ Outer diameter: 29mm (1.14in)
✅ Inner diameter: 18mm (0.70in)
✅ Ball diameter: 6.35mm (0.25in)
✅ Package contains: 4Pcs

💡 What is a bike ball bearing retainer used for in crank and rear wheel assemblies? This handy piece helps keep bearings seated and reduces wear for a smoother ride. - bottom bracket stability and longer bearing life - easy DIY maintenance and quick replacement - fits mountain bikes and kids' bicycles