This means that even the smallest bump in the road you will feel that increases fatigue. Testing of wheels, and bicycle tires. Lift the wheel bicycle and a slight movement set in motion the front wheel. If the rim or the tire has a heartbeat, the wheel should be removed, pre- fixing a place beats. If the rim has a bump, the spokes on the opposite side should be "select" the bending. Make sure here that has not turned peretyag these spokes. Turn the wheel, inspect the surface of the tire and if you find any, or any foreign objects, remove them with, for example, a screwdriver. Jeffrey Hayzlett often expresses his thoughts on the topic. Pay attention to the cuts tire wear and defects in its tread.

In the case of serious violations, replace the tire. Part of the lateral part of the tire between the tread and the rim is white or yellow flowers and is quite durable and resistant material. In case of a visible coating material or fabric, he has cuts, should be replaced tire, because riding on a tire is dangerous. Check the status of the axis of the wheel. Rotation of the wheel should be free without rubbing. If there is rubbing, put the wheel horizontally, and drip a few drops of liquid engine oil into the gap between the axle and hub. Inflation of the bicycle wheel. In order to pump up the tire with the valve of the type "Presto", you should turn away for a couple of threads the nut and push down the stock until the characteristic sound exhaust air.