4 Pack Bicycle Ball Bearing Retainer Cage Set For Cranks And Wheel Bearings, 40mm Outer Diameter, 33.5mm Inner, 22 Balls, Durable Steel Replacement Part

4-Pack Steel Bicycle Ball Bearing Retainer Cage, 40mm OD
✔️ Outer 40mm / 1.57in, inner 33.5mm / 1.32in, 22-ball steel

This 4-pack steel ball bearing retainer cage is designed to replace worn cranks and wheel bearings on many bikes. It suits common bike types including street, mountain, lowrider, and stretch bikes.

✅ Outer diameter 40mm (1.57in); Inner diameter 33.5mm (1.32in); 22 balls
✅ Material: steel; pack size: 4 retainers
✅ Replaces crank bearings and fits standard head parts
✅ Suitable for ordinary bicycles, mountain bikes, lowrider bikes, and stretch bikes

💡 What is a bicycle ball bearing retainer used for?

This handy replacement part helps keep bearings aligned and reduces wear in bike crank and wheel assemblies.

- bicycle ball bearing retainer replacement part for crank and wheel bearings - durable steel retainer for 40mm outer and 33.5mm inner diameters - compatible with common bike crank bearings and wheel hubs - fits ordinary, mountain, lowrider, and stretch bikes