Order Includes: 1 x Rear Sprocket. Part Number: 64511-40F30 / Specs: Material: C49 High Carbon Steel. Dimensions: Width: 8.7 mm / 0.34" , Inner Diameter: 120 mm / 4.72" , Outer Diameter: 208 mm / 8.18" , Circles Diameter: 10.5 mm / 0.41" , Mounting hole Distance: 140 mm / 5.51" , Number of Teeth: 40. We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
