European casters shock directional casters casters the outer edge wear 

 If along the direction of travel observations, greater wear and tear in the outer edge of the tire, the tires are always in the inflated state, that is not enough pressure. If possible, according to the standard of "highway" inflatable 30000 Pa, more than the normal standard. Notes underinflated tire is not conducive to wet weather driving, the grip will be significantly weakened. 

 Convex and wavy wear 

 If the tires touch the ground on both sides of the part was convex wear, and tire surrounding corrugated wear, the car shock absorbers, bearings and spherical coupling parts to wear out more serious. Before you replace the tire to check the wear of the suspension system, replacement of worn parts is recommended. Otherwise, even if the replacement tires will not help. 

 Surface is uniform wear 

 Tire once the pattern has been grinding dry, the life of the tire has done, must be replaced. In addition, the efficacy of pattern there is the distraction of surface water, so keep the car an important part of the grip. If you wear has reached tire tread depth of the standard (usually 1.6 mm, width greater than 175 mm tire was 2 mm), to be replaced. 

 European casters directional shock casters casters central part of the wear 

 If you find that the center area of ??the tire ground part of the serious wear, suggesting that the tires are always in inflation over full state. Be sure to check the pressure gauge is accurate to adjust the pressure, the Notes only high speed or load traveling time before they need to over-inflated tire. 

 Tire side of the crack 

 This happens more often due to poor maintenance, or traveling on multi-stone roads and construction sites, so that hard objects come into contact with the tire under pressure caused the tire inner damage. Should take immediate action, such as repair of the well, then replace the tire. 

 Tire medial wear 

 Tire medial wear, outer edge of the burr-like. Common to a number of used cars suspension system, so that the whole body deep down. This indicates that the tire deformation, the symmetry of the two tires had been affected. If conditional, it is best to be accessories shock absorbers, the spherical coupling to change my. However, if the cost is too high, could be considered the first call to the front axle and tires of the professional mechanic adjust the angle. 

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