JT Sprockets 525Z3 Super Heavy Duty X-Ring Chain JT Sprockets' Z3 Chains are designed for larger-displacement street bikes, offering enhanced strength and rigidity with thicker plate thicknesses measuring 2.4mm for the inner and 2.6mm for the outer plates. These super heavy-duty chains ensure reliable performance and longevity. Features: X-ring seals produce less friction and seal better than conventional O-rings Rivet pressed four times for added strength against lateral forces on the outer plates Thick (2.4mm inner / 2.6mm outer) plates Solid bushes to prevent distortion from repetitive shock loading Includes rivet style master link Specifications: Tensile Strength: 10,339 lbs Max Displacement: 1400cc (Street) Weight: 4.63 lbs / 100 links