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EK 630SRO

O-Ring Chains

The ‘SRO’ series chains offer a value-priced sealed O-ring chain that won’t compromise on quality or durability. Features include lightening holes on the inner plate, heat treated steel, and the same high level of craftsmanship EK puts in their entire complete range.

The SRO series chains offer a value-priced O-ring chain that will not compromise on quality or durability. Features include lightening holes,high-tech heat-treated steel aloys and al the exact same quality and craftsmanship that EK puts into their entire product line.

EK Chain manufacturing was at the forefront of chain sealing technology and design, being one of the first to market with an O-ring seal design and production in the early 1970’s. The EK O-ring was even used as the genuine production chain on the iconic Kawasaki Z1. Greatly improves chain life compared to unsealed option.