21 Teeth Sprocket 1/4" Pitch, 8mm Bore Carbon Steel with Set Screws 3/4"x1-5/8"x7/16" Hex Nut Pitch: 1

Hex Nut Pitch: 1

Circuit interfaces in the bottom of thermostat can make wire connection become more sturdy

which offer you a 220-degree viewing range and crystal clear view

18inch(Inner Width x H x Inner Length)

OE Number:A2128850726

21 Teeth Sprocket 1/4" Pitch, 8mm Bore Carbon Steel with Set Screws 3/4"x1-5/8"x7/16" Hex Nut Pitch: 1Features: 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