Road Dual Guard heavy duty sealed chains for street motorcyclesDual Guard sealed ring is similar in ‘X-shaped’ rings as it utilizes 2 sealing lips and lubrication pools per side of the ring versus the one sided, single lip design of a standard o-ringDramatically improved lubrication in high heat conditions while also helping achieve less frictionGreat all around use road chain available for just about every application on the streetComes in the natural colourRivet type connecting linkTensile strength of 42.169N - 9.480lbs