Wheels Manufacturing Loose Ball Bearing

You must check your hub or bottom bracket manufacturer's specifications. Bearing sizes are not universal, and using the wrong size will cause damage to your races and prevent the hub from spinning smoothly.

No, these are strictly for cup-and-cone bearing systems. They are loose spheres designed to sit directly into the races of your hub or bottom bracket, not as replacements for sealed cartridge units.

This pack includes 25 bearings. While most front hubs require 18 to 20 bearings total (9 or 10 per side), you should count the exact number currently in your hub before ordering to ensure you have enough for both sides.

Yes, you should use a high-quality bicycle-specific waterproof grease. It is essential for reducing friction and protecting the steel from corrosion, which is the primary cause of premature bearing wear.

Clean the races thoroughly before installation to remove all old grease and debris. Once clean, apply a generous layer of fresh grease to the race, place the bearings in, and ensure they are seated evenly before adjusting your cone tension.