Order Includes: 1 x Rear Sprocket. Part Number: 42041-1456 42041-0003 42041-0085 42041-0163 / Specs: Material: C49 High Carbon Steel. Dimensions: Width: 7.2 mm 0.28" , Inner Diameter: 80 mm 3.14" , Outer Diameter: 218.3 mm 8.59" , Circles Diameter: 10.5 mm 0.41" , Mounting hole Distance: 104 mm 4.09" , Number of Teeth: 42. We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
