Order Includes: 1 x Rear Sprocket. Part Numbers: 64511-01D04 64511-01D03 64511C01D04J000 / Specs: Material: C49 High Carbon Steel. Dimensions: Width: 5.9 mm / 0.23" , Inner Diameter: 87 mm / 3.42" , Outer Diameter: 202.7 mm / 7.98" , Circles Diameter: 10.5 mm / 0.41" , Mounting hole Distance: 110 mm / 4.33" , Number of Teeth: 39. We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
