Comparison : Item # 2050B11, Standard Roller Double Pitch Sprocket for C2050/A2050 Chain - 1 1/4" Pitch
Item # 2050B12, Standard Roller Double Pitch Sprocket for C2050/A2050 Chain - 1 1/4" Pitch
Item # 2050B13, Standard Roller Double Pitch Sprocket for C2050/A2050 Chain - 1 1/4" Pitch
Item # 2050B14, Standard Roller Double Pitch Sprocket for C2050/A2050 Chain - 1 1/4" Pitch
Item # 2050B15, Standard Roller Double Pitch Sprocket for C2050/A2050 Chain - 1 1/4" Pitch