LITELOK X3 MotoDETAILS LITELOK X3 is armoured with Barronium, a patent pending composite material that resists angle grinder attack by turning the grinder's energy and force in on itself. It offers at least 15 times more resistance than the best selling, best performing D locks without adding any extra weight. It is permanently fused to a hardened fine grain high tensile steel core which provides protection against all other commonly used tools such as bolt