Bike Ball Bearing Retainer Kit 60 Pieces Nine Size Set For Headset Crank And Wheel Repairs Includes 4 Mm To 8 Mm Ball Diameters Outer Diameter From One Sixth To One Third Inch Inner Diameters 20 Mm To 50 Mm DIY Repair Accessories

Complete Bike Bearing Retainer Kit for Headset and Wheel Fixes
✔️ 60 piece set with 12 sizes ball dia 4mm to 8mm OD 20mm to 50mm

This handy steel retainer kit gives you caged balls for fixing headsets cranks and wheels on mountain bikes road bikes and scooters.

✅ 12 sizes with 5 retainers each for 60 pieces total
✅ Ball diameters range from 4mm to 8mm in steel cages
✅ Outer diameters from 20mm to 50mm fit most bike parts
✅ Inner diameters from 11mm to 42mm for crank and wheel use

💡 Why choose steel caged retainers over loose balls in bike repairs? Steel cages keep balls evenly spaced to cut friction during rides. - They work great for headset stem and crank overhauls - Sizes cover common mountain bike and road bike needs - High quality steel holds up to daily riding and wet conditions - DIY kits like this make quick wheel bearing swaps easy