Dismount the tire. Loosen the nuts and bolts that secure the tire with an adjustable wrench, and remove the wheel from its frame.
Locate the wheel weight which sits on the outer tire rim. Pry if off with a wheel weight tool or with the tip of a flathead screwdriver.
Level the balancer so that it sits straight on the floor.
Insert a steel shaft or axle inside the wheel's hub, located in the middle opening of the wheel. Place the wheel onto the balancer. To make sure that the wheel is level, spin it. If the tire drags to the right or left side of the balancer, remove it and then place it back on the balancer to readjust until it spins freely.
According to CBR World, the wheel should start spinning such that gravity will have the heaviest part of the wheel down to the bottom and the lightest part of the wheel on the top. Mark the lightest part of the wheel with a washable red marker. Spin the wheel again to confirm that the spot marked is indeed the lightest part of the wheel.
Stop the wheel spin. Move the heaviest part of the tire's location to the 3:00 or 9:00 position. Tape wheel weights to the insides of the bike wheel to counteract the heaviest part. Use at least two or three weights of 14 to 21 grams.
Spin the wheel so that the wheel's heaviest part sits to the bottom. If the weighted section is too light, it will move to the 12:00 position. If this is so, add more wheel weight. If the weighted section is too heavy, it will position itself to the 6:00 position. Subtract wheel weight if this happens. You should add enough weights so that the wheel has limited mobility as you try to spin it one last time on the balancer.
Remove the wheel from the balancer when the weight of the wheel seems balanced. Attach the wheel weights permanently by removing the adhesive on the back of the wheel weight and positioning firmly on the wheel. Apply duct tape to the weights to fully secure it to the wheel.
Remount the tire wheels back on the bicycle.