Tyre and rim At wire wheels the right rim tapes (flaps) should be used. Rim tapes should be maintained in good condition, while a protruding spoke head can damage a tube and cause a puncture. Tyre has to be aligned properly on the rim and it has to be checked regularly. Replace tyre before legal 1mm (1.6 mm in Germany) remaining tread pattern depth is reached. Worn tyres are more susceptible to damage and road holding is reduced especially in the wet. Damage tyres are very dangerous. Replace damage tyres immediately. The stones or nails captured in the tread pattern of tyre must be removed. If left, they can penetrate through the carcass and cause a puncture and an accident. The main advantage of tubeless tyre is its ability to accept penetration by nails without a rapid loss of air. This also means that rider can be unaware of a puncture and if he uses the tyre for a long distance, the damage area will spread and could become serious. When the deflation is noticed, the tyre should be removed from the rim and checked before attempting any repairs. Repairs in shoulder and sidewall area are not recommended. Repairs for tyres with speed symbol P and higher are not recommended. The behaviour of the tyre is worse, if the tyre was in contact to oil or grease. The tyre has to be cleaned with a cloth damped with petrol. SAVA tyres are made to fine tolerance, but for higher speeds it is important, that the tyre is balanced. Tubeless tyre-rim assemblies should be balanced with self-adhesive weights, the tube-type tyres on wire wheels should be balanced with spoke weights.
Posted on: Fri, 05 Jul 2013 16:03:19 +0000
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