Wossner Needle Bearing - 14 x 18 x 19.8 Aspect Ratio/Height_90 Percent 520MXU is the next generation

520MXU is the next generation of motocross racing chains featuring RK's new UW-sealing rings

~ Lateral grooves increase inline stability SR712 SERIES

Available in a convenient 10 pack

All RK Sealed chains feature heat treated hi-carbon alloy steel components

Wossner Needle Bearing - 14 x 18 x 19.8 Aspect Ratio/Height_90 Percent 520MXU is the next generationWossner For more than 35 years, Wssner successfully design and produce high performance pistons and connecting rods. In order to offer their customers the best of Wssner Power, their products are produced by using state of the art technology and are subject to continuous quality control. Performance, quality and longevity this is what Wssner stands for with high quality products. Needle Bearings (Little End Bearings) Please use our Fitments Tool to