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{ Useful Info.
Tire Terminology:
| Kelnet | Firestone's tire design that minimizes stress in tire performance. |
| Kilopascals (kPa) | Unit of air pressure; in metric terms it takes 6.89 kPa to equal 1 p.s.i. |
| L | |
| Lateral Runout | Wobble or the side-to-side motion of a rotating wheel or tire/wheel assembly. |
| Lateral Weight Transfer | A load factor in cornering where weight is transferred from the inside tires to the outside tires. |
| Lead | A slight pull to one side. |
| Leaf Springs | A series of steel leaves used on suspension systems that are bolted together in the middle. Under compression, they flatten and expand in length, then rebound to their original arched shape. |
| Lift Points | Those contact point on the chassis of a vehicle used to hoist the vehicle for servicing; to prevent serious problems and permanent damage, owners' manuals should always be checked for proper lift point locations. |
| Linearity | The ability of a vehicle to respond linearly to the driver's steering input at low cornering levels. |
| Load Index | A numerical code which specifies the maximum load a tire can carry at the speed indicated by its speed symbol, at maximum inflation pressure. |
| Load Range | Replaces the former ply rating term and identifies load and inflation limits. |
| Load Rating | The weight that a wheel is designed to support in normal service. |
| Load-Carrying Capacity | The load a particular size tire can carry at a given inflation pressure under certain driving conditions, as established by the Tire and Rim Association. |
| Loading | The amount of weight put on tires. Increased load can increase cornering force. |
| Lower Sidewall | The part of the sidewall nearest the bead. |
| LT-Metric | A sizing system using the section width in millimeters, aspect ratio, type of construction, and rim diameters in inches (e.g.: LT235/85R16). |
| LTP-Metric | A new (1992) light truck personal use sizing systems using the section width in millimeters, aspect ratio, type of construction, and rim diameters in inches (e.g.: LTP235/75R15). |
| Lug Centric | The centering of a wheel by matching it up with the lug nuts, rather than by the center bore hole of the wheel; hub centric is the more accurate centering method. |
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