21 Teeth Sprocket 1/4" Pitch, 15mm Bore Carbon Steel with Set Screws 25X250 Mm Size: 61x67mm / 2

Size: 61x67mm / 2

18 Gauge A1 AWG: 1

Hole Diameter(Outer Diameter): 20mm/0

Outside Diameter: 25

21 Teeth Sprocket 1/4" Pitch, 15mm Bore Carbon Steel with Set Screws 25X250 Mm Size: 61x67mm / 2Features: 1. Chain Sprockets are normally mounted in a fixed position on a fixed shaft. Round hole 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