Comparison : Item # 2040B11, Standard Roller Double Pitch Sprocket for C2040/A2040 Chain - 1" Pitch
Item # 2040B12, Standard Roller Double Pitch Sprocket for C2040/A2040 Chain - 1" Pitch
Item # 2040B13, Standard Roller Double Pitch Sprocket for C2040/A2040 Chain - 1" Pitch
Item # 2040B14, Standard Roller Double Pitch Sprocket for C2040/A2040 Chain - 1" Pitch
Item # 2040B15, Standard Roller Double Pitch Sprocket for C2040/A2040 Chain - 1" Pitch