39 Tooth Sprocket for 415 Chain Flat 9 Hole Mount Motorized Bicycle

Just the sprocket no rubber, no bolts.
415 or #41 chain
Made in China
Material: Steel Flat
Outer Diameter: 6 7/16th inches or 164mm
Center hole diameter: 1.440in or 36.6mm
Thickness: .150in or 3/16th in or 4.25mm
Weight: 1lb 2oz
Acceptable Chains:
KMC Industrial 415 Speed Chain, 415 chain
#41 Chain