REGINA Specifications Since the 1940s, Regina have put considerable resources and commitment into the creation of increasingly advanced and innovative chains. This has been achieved through comprehensive laboratory testing and world class competition experience. The development of the RX3 motocross chain is a perfect example of Regina's competition development. This environment demands minimal chain elongation and optimum power transmission. Chromed Pins - Exceptional pin surface hardness is achieved thanks to a special chrome treatment, which translates into maximum wear resistance. At the same time, the enhanced pin core strength means outstanding resistance to shocks and stresses encountered during use. Shaped Bushings - The special shape of the bushing eliminates the.
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