About this item

• COMPREHENSIVE KIT: Contains 50 pieces total - 5 complete sets of 10 different sized caged ball bearings for bicycle repair and maintenance needs
• VERSATILE APPLICATION: Compatible with mountain bikes, road bikes, BMX, commuter bikes, and scooters - perfect for headsets, bottom brackets, and wheel hubs
• PRECISION SIZING: Features ball diameters from 4mm-8mm, outer diameters 20mm-45mm, and inner diameters 11mm-32mm for exact component matching
• PROFESSIONAL GRADE: Constructed from durable steel materials, designed for smooth performance in critical bike components and bearings
• ORGANIZED STORAGE: All 10 sizes of bearing retainers come properly sorted and packaged for easy identification and access during repairs