Ball Bearings For Synapse Bottom Bracket With Double Sided Rubber Seals Low Friction Grease Corrosion Resistant Chrome Steel 52100 Balls Low Friction Cage ABEC 1 Precision Sealed Bearing Set For Smooth Ride And Longevity

These ball bearings replace worn bottom bracket bearings in road bikes with Synapse-style BB shells. They feature corrosion-resistant chrome steel balls and a low-friction grease for long-lasting performance in sealed, double-sided closures.

✅ Material: 52100 SAE chrome steel balls; corrosion-resistant cage
✅ Lubrication: Low friction grease for smooth operation
✅ Seal: Rubber sealed closures with double-sided seals
✅ Precision: ABEC-1 tolerance for reliable rotation
✅ Pack: Set of 2 bearings

💡 What is a sealed ball bearing used for in bicycle bottom brackets?

Handy for keeping crank rotation smooth in street bikes and workhorse setups.

• Supports rotation with reduced wear on the spindle
• Seals out dirt, water, and grime to extend bearing life
• Easy replacement in standard 2-bearing bottom brackets
• Common choice for Synapse-style BB shells in road bikes