"Tsubaki High Performance 520 QR Chain, 108 links"
"For motorcycles originally equipped with non O-ring chain. Solid rollers, curl formed bushings, heavy press fit pins, quad staked riveting. Heat treated and shot peened. Pre-stressed and pre-stretched. Tensile Strength 7,040 lbs. Max CC Engine 600."
JT Rear Steel Sprocket (BMW F650 1994-1995)
"Made from the latest generation of computer design and control metal cutting equipment for maximum durability. JT rear sprockets are made from the finest C45 high carbon steel, 7075 aluminum, or new titanal alloy."