Belnotelt 2 Pcs Bike Hub Bottom Bracket Bearings 163110 2RS 16x31x10mm Steel Sealed, For Giant Bicycle Cycling Components Replacement Black Silver

Details

• Complete 2-Piece Set: Includes two precision-engineered 163110 2RS bottom bracket bearings sized 16x31x10mm, ready for immediate use on compatible Giant bicycles.
• High-Performance Steel Construction: Crafted from LONGLASTING steel with dual rubber seals (2RS) to resist dust and moisture while supporting smooth crank rotation.
• Exact Dimensional Fit: Designed to match OEM specifications-16mm inner diameter, 31mm outer diameter, and 10mm width-for reliable compatibility with select Giant bike models.
• Lightweight & Compact Design: Each bearing weighs approximately 35g, contributing minimal mass without compromising structural integrity or rotational efficiency.
• Verified Sizing Guidance: Please the manufacturer's sizing chart-not Amazon's size guide-to insure proper fit before installation.