Comparison : |
Item # CS3502, #35 17 mm Bore Chain Sprocket 19 Teeth Item # CS4002, #40 17 mm Bore Chain Sprocket 17 Teeth Item # CS4003, #40 5/8" Bore Chain Sprocket 17 Teeth Item # CS4006, #40 3/4" Bore Chain Sprocket 17 Teeth Item # CS5002, #50 17 mm Bore Chain Sprocket 15 Teeth
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