25 Teeth Sprocket 1/4" Pitch, 18mm Bore Carbon Steel, Keyway with Set Screws Torx Rounded Head Screws Brass contacts with 30% silver

Brass contacts with 30% silver contained

* 6 x Buffing Wheels

Aluminum rivet mandrel with lightweight but strong and better corrosion resistance

Size: 13*7cm/ 5

25 Teeth Sprocket 1/4" Pitch, 18mm Bore Carbon Steel, Keyway with Set Screws Torx Rounded Head Screws Brass contacts with 30% silverFeatures: 1. Chain Sprockets are normally mounted in a fixed position on a fixed shaft. Keyway with 2pcs Set Screws at 90 degrees. The shaft can be fixed well, which is convenient to use. 2. The chain sprocket should not rotate at a greater speed than is allowable for drive sprockets of the same size. Every roller chain sprocket comes with strong teeth that can latch onto the chain. It is suggested that chain sprockets have at least three teeth in