20004020 20-Tooth, 40 Standard Roller Chain X-Series Hub Sprocket (1/2" Pitch)
4012V 12-Tooth, 40 Standard Roller Chain V-Series Hub Sprocket (1/2" Pitch)
4013V 13-Tooth, 40 Standard Roller Chain V-Series Hub Sprocket (1/2" Pitch)
4014V 14-Tooth, 40 Standard Roller Chain V-Series Hub Sprocket (1/2" Pitch)
4015V 15-Tooth, 40 Standard Roller Chain V-Series Hub Sprocket (1/2" Pitch)
4016W 16-Tooth, 40 Standard Roller Chain W-Series Hub Sprocket (1/2" Pitch)
4017W 17-Tooth, 40 Standard Roller Chain W-Series Hub Sprocket (1/2" Pitch)
4018W 18-Tooth, 40 Standard Roller Chain W-Series Hub Sprocket (1/2" Pitch)
4019W 19-Tooth, 40 Standard Roller Chain W-Series Hub Sprocket (1/2" Pitch)
4020X 20-Tooth, 40 Standard Roller Chain X-Series Hub Sprocket (1/2" Pitch)
4021X 21-Tooth, 40 Standard Roller Chain X-Series Hub Sprocket (1/2" Pitch)
4022X 22-Tooth, 40 Standard Roller Chain X-Series Hub Sprocket (1/2" Pitch)
4023X2 23-Tooth, 40 Standard Roller Chain X-Series Hub Sprocket (1/2" Pitch, 2" Bore)
4024X 24-Tooth, 40 Standard Roller Chain X-Series Hub Sprocket (1/2" Pitch)
4026X 26-Tooth, 40 Standard Roller Chain X-Series Hub Sprocket (1/2" Pitch)
