Chain set consisting of:Chain 428VX3: The VX series chain is a significant improvement over the OEM chain and is our most popular and most commonly used chain for street and off-road motorcycles. The 428VX3 has a 32% longer lifespan than the VO series thanks to our patented X-ring seal technology. It is also stiffer to reduce flex, resulting in a more responsive and smoother riding experience.Steel sprocket steel sprocketTechnical data Chain:Standard chain type: open with clip lock (press fit*) - open with hollow riveted lock - closed (endless) - alternatively solid riveted lock can be orderedSeal type: X-ring Chain color: steel-colored or G&B (outer plate gold-colored & inner plate steel-colored) The 428 VX with its very low weight (100 rolls weigh approx. 1210 grams) from the Pro-Street series is an all-rounder from the GP up to about 350 ccm. In addition, the 428VX, as successor to the VM series, offers a longer service life due to higher tensile strength and more rigidity than the old series. Tensile strength 3360 KG, Wear Resistance Index 2700 Meets the highest demands thanks to patented X-rings Reduced friction Low weight width of the chain approx. 20.65 mm80 links (rollers) equal one meter (80 = 80 rollers)