Bearing Replacement - Koowheel Electric Skateboards

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Bearing Replacement

Remove the skateboard's wheels.  You can do this easily by using a socket wrench, ratchet or skate tool to loosen the nuts holding the wheels in place. You may need to hold your board steady and apply firm pressure to break the bolts loose.
It's easy to lose or misplace a necessary nut, washer, or some other part when you're working on your board. To prevent this, consider putting the parts you're not working with inside a plastic bag.
  • For each wheel removed, you should have a bolt and one to two bearing washers.

Free the bearings from the wheels.  The bearing will occupy the core of the wheel and will be circular in shape. After removing the wheels, you can gently pry out the bearings with a screwdriver, or pull these out carefully with needle-nose pliers.

  • If you don't have a tool available, put the wheel on the truck like you're attaching it, but make sure only one bearing (out of the two for that wheel) goes on the truck. Then wedge the bearing out, using the truck for leverage.
  • Some boards have an additional spacer between bearings called a speed ring. You should remove this after freeing the first bearing.
  • If you don't have a bearing puller, you can use a thick metal rod (thin enough to fit through the opening of the bearing where the axle usually goes through), touch the bearing on the opposite side when inserted the metal rod, and gently tap the rod with a hammer. However, doing this may damage the bearings, so you must be very careful.

Place the new or cleaned bearing into the wheel. Most skateboard bearings have one side with a colored shield. Place this side facing out. The bearing won't fit all the way into the wheel -- the fit will be too tight. So simply set the bearing into the wheel.

Next, press the bearing down into the hole, applying pressure on the outside metal rim of the bearing. Do not press on the shield, or the center of the bearing. You should be able to press the bearing down to where it is flat with the edge of the wheel.

Repeat this process with all eight bearings, putting one on each side of each wheel. If you are using ​spacers, put one in each wheel between the bearings.

Just like the optional spacers, some skateboarders like to use bearing washers to help reduce friction and let your wheels spin faster. If you don't use washers, then skip ahead to the next step. Washers are tiny metal rings that fit on either side of your bearings. Put one on your axle trucks before you put the wheel on and then one on after the wheel has been slid into place.

Using your skate tool or a socket wrench, tighten each nut down slowly. This will push the bearings down into the wheels. Make sure you take your time and don't crank too hard or fast on the nuts or you can damage your bearings. Tighten each nut down until it feels snug and then stop. Don't crank on the nuts too hard -- you want the nuts to fit on snuggly and to have stopped turning. That's it.

Now here's the secret: Once the nut has been tightened up and the bearings are all sunk into place, you want to loosen the nut a little. Loosen it and then jiggle the wheel a little, back and forth on the trucks. You want a small amount of play, just enough so you can feel it. When you pull the wheel from side to side, you want it to make a little clack sound -- just a little. This will help your wheels to spin faster and more freely.


The KooWheel Electric Skateboard is the best commuting skateboard around. Buy one for your commute today!!