RK is a leader in the production of transmission chains for motorcycles in Japan. For more than 40 years RK provides all the major Japanese motorcycle manufacturers as the first equipment. In RC runs it is the first choice of many MotoGP teams, motocross or even in the Paris-Dakar rally. RK EXW: High voltage in modern road machines has led to the development of XW-Ring chains. XW-ANNELLO has six seal points and two stabilizers who prevent the rotation of the ring in extreme conditions. Then the loss of lubricant is avoided in all conditions - life is extended up to 50% compared to an O -Ring chain. - With XW -Ring for a longer duration in the field - six storage points, two stabilizers prevent the rotation of the rings - the loss of lubricant is avoided - the life of 50% longer O -Ring cha.
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