How to Improve Bicycle Hub Bearings

The hub bearings permit the wheels of the bicycle to spin. Riding your bike in the rain will cause your hub bearings to accumulate rust. If you mountain bike regularly on off-road trials, your hub bearings may gradually slow due to dirt and grime buildup. Utilize a few basic cleaning procedures to improve the bearings housed within your wheel hubs. Bicycle Tutor recommends using a generous amount of waterproof grease to lubricate the hub bearings.

Things You'll Need

  • Wrench
  • Rag
  • Waterproof grease
  • Steel wool
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Instructions

    • 1

      Loosen the lock nut, using an appropriately sized wrench. Slide out the axle from the right side of the wheel hub. Remove the bearings from either side of the wheel hub.

    • 2

      Clean the opposing sides of the wheel hub, using the rag. Examine the bearing races to ensure they have not been damaged or bent. Squeeze the waterproof grease around each of the bearing races.

    • 3

      Rub the bearings with the rag to remove any built-up grime or dirt. Remove any rust from the bearings using a small piece of steel wool. Reinstall the bearings within the wheel hub.

    • 4

      Apply a layer of waterproof grease over the newly cleaned bearings. Insert the axle into the wheel hub. Fasten the axle in place by tightening the corresponding bolts.