39 Tooth Sprocket for 415 or #41 Chain Fits Sprocket Adapters U.S.A. smaller center hole FREE SHIPPING

7075-T6 grade aluminum, fits sprocket adapters.
Made in USA, works great with the thicker kit 415 chain.
Large center hole, 2 3/4 inches diameter, for clearance of coaster brake arm.
Includes 3 Flat Head Allen Bolts 3/8ths X 1

Specifications:
Outer Diameter: 6 9/16 inches or 167mm 39 Tooth
Center Hole Diameter:  2 1/4ths inches or 57mm
Thickness At Teeth: .170in or 4.34mm
Weight Of Sprocket: 7.2oz
Material: 7075-T6 Aluminum USA
Acceptable Chains: 415 chain, KMC Industrial 415 Speed Chain, #41 chain