2pcs Bicycle Hub Bearings 163110 2RS 16x31x10mm Steel Bottom Bracket Set Compatible With Giant Bikes Sealed Black Silver Replacement, For Cycling Repa

Details

• 2-PACK BEARINGS SET: Includes two 163110 2RS bottom bracket bearings sized 16x31x10mm, specifically engineered for compatibility with Giant bicycle frames and select road/mountain bike hubs.
• PRECISION STEEL CONSTRUCTION: Made from LONGLASTING steel with double-sealed (2RS) design to resist dust and moisture ingress, supporting smooth rotation and extended for service life under regular cycling conditions.
• OPTIMIZED DIMENSIONS: Exact 16mm inner diameter, 31mm outer diameter, and 10mm width insure proper fit in standard BB shell interfaces, reducing play and improving drivetrain efficiency.
• LOW-MAINTENANCE OPERATION: Sealed contact seals retain lubrication while minimizing friction, delivering consistent performance for across urban commuting, for trail riding, and fitness cycling.
• VERIFY YOUR SIZE FIRST: Check the manufacturer's size chart before ordering - DO NOT rely on Amazon's sizing guide; dimensions are critical for proper installation and function.