JT Sprockets (JTC525X1R108RL) Steel 525X1R 108-Link Heavy Duty X-Ring Drive Chain The JT X1R heavy duty X-Ring motorcycle chain is engineered for maximum durability and strength offering a high performance in both road and off-road use X-Ring seals are used for a better seal and produce less friction than conventional O-Ring chains, solid bushings provide enhanced resistance to distortion from repetitive shock loading Manufactured using leading edge technology and with only the highest grade of special steel alloys, JT advanced power transfer chains meet or exceed the requirements of all modern motorcycles, street, MX, Enduro, off-road, and ATV JT X1R Heavy Duty Chains are constructed with quad riveted pins for an extra strong rivet that resists powerful lateral forces on the outer plate Specifications: Roller Diameter: 10.22 mm; Pin Length: 22.6 mm; Plate Thickness Inner: 2.2 mm; Plate Thickness Outer: 2.2 mm; Weight per 100 links: 4.17 lbs; Average Tensile Strength: 8930 lbf; No. of Pin Rivet Presses: 4; Master Link Type: Rivet