TREAD DEPTH

• As per central Motor vehicle regulations (CMVR) car tyres must have a minimum of 1.6mm of tread in a continuous band throughout the centre of the tread width and over the whole circumference of the tyre. • To help recognise when tyres are nearing the legal limit, tyres are manufactured with tread wear indicators in the grooves. • However, despite the law, it is universally recognised in the tyre industry that the legal limit is wholly insufficient to protect drivers in adversedriving conditions. • Drivers are therefore recommended to consider replacing their tyres when the tread depth reaches 3mm. CORRECT AIR PRESSURES Setting and maintaining the correct air pressures is the first step to obtain optimum performance and life from tyres. INCORRECT INFLATION 1. Over inflation reduces the ability of the tyre to absorb road shocks resulting in a much harsher ride. Excessive over inflation may lead to impact fracture or other casing failures. Over inflation will also cause excessive wear of the centre of the tyre. 2. Under inflation allows excessive flexing of the tyre, causing excessive internal heat to build up, eventually weakening the casing and causing damage. Under inflation will also cause excessive wear on the shoulder of the tyre resulting in heavy steering and poor handling. 3. Excessive pressure on the shoulder area will increase wear and reduce stopping distance.

0 Comments