Superior quality X-ring chain - Up to 650cc Streetbikes Superior quality X-ring chain - Up to 650cc Streetbikes Will custom cut to any length. EK SRX series chains are an excellent value for any street machine up to 650cc. They feature lightening holes, reduced friction, and Quadra-X Rings which increases chain life from 1 1/2 to 2 times longer than a standard O-Ring chain. Specifications- 530 SRX GOLD Pitch- 5/8in. or 15.875mm Width- 3/8in. or 9.53mm Pin Size- Dia.- 5.38mm Length- 25.40mm Roller Dia.- 10.20mm Plate Thickness- Inner- 2.40mm Outer- 2.40mm Tensile Strength- 9,400lbs. or 41.8kN Wear Life Index- (Std. as 100)- 1,200 True Weight- (100 Links)- 4.80lbs. or 2.17kg